Category Archives: Kentucky Vegetables

Warren County Extension Office Operating Procedures

Several people may be wondering about how to submit samples to the Warren County Extension Office for soil, plant disease, weed, insect, and plant identification services. Read HERE to find out what is needed for each of these services.

Soil Sample Collections

How to Submit Soil Samples:

  1. Drop your collected soil sample in the drop box located in front of the Warren County Extension Office (WCEO) door entrance.
  2. Contact the office at (270) 842-1681 to give office staff general information related to your soil sample.
  3. Please pay with exact change or check which is $7.00 per soil sample.
  4. Results will be mailed to the client after agents review the soil tests. If you have any questions regarding your soil test recommendations, please contact the WCEO.
Plant Disease Samples

How to Submit Plant Disease Samples:

  1. If you suspect a possible plant disease, please submit a fresh plant sample along with 5 photos of the plant in its environment to the Warren County Extension Office.
  2. Samples may be dropped off at our location at 5162 Russellville Road and placed in the drop box which is located in front of the Warren County Extension Office entrance door.
  3. Pictures should show an overview of the planting or field, close-up photos of the parts affected (foliage, trunk, stem, etc.) as well as include general plant information (age of plant, when was the problem first noticed, what percentage is plants affected, and how the plant has been cared for such as watering, fertilizer application, and etc.)
  4. In the event that we need to mail off a plant sample, plant samples must be sent from Monday through Wednesday to ensure freshness.
  5. If you wish to make an appointment or have questions regarding your plant sample, please contact the Warren County Extension Office at (270) 842-1681 first.
Weed Identification- Field, Garden, and Lawn

Weed Identification Sample:

  1. Email photos of the weed to www.warrencountyextension.com/ and tell us where the weed is located such as garden, landscape, lawn, or agriculture field.
  2. A fresh weed sample may be needed if identification can’t be determined through email. Bring sample and place the sample along with client information in the drop box located in front of the WCEO entrance door.
  3. Contact the WCEO at (270) 842-1681 to notify our staff that you have a sample for identification.   
  4. Please tell us the best way to reach you either via phone or email. Agents will get back to you as soon as possible.
Insect Identification Services

Insect Identification:

  1. Email photos of the insect to www.warrencountyextension.com/ and tell us where the insect is located such as garden, home, landscape, lawn, or agriculture field.
  2. An insect sample may be needed if identification can’t be determined via email. Bring the insect sample along with client information to the Warren County Extension Office located at 5162 Russellville Road and leave in the drop box located in front of the entrance door.
  3. Contact the WCEO at (270) 842-1681 to let our staff know that you have a sample for identification.
  4. Please tell us the best way to reach you either via phone or email. Agents will get back to you as soon as possible.
Identifying Plant Samples

Plant Identification:

  • Drop a fresh plant sample at least 12 inches long or longer to the Warren County Extension Office located at 5162 Russellville Road along with client information and leave in the drop box located in front of the WCEO entrance door.
  • Email photos of the plants to www.warrencountyextension.com/ and tell us where the plant is located such as garden, landscape, lawn, or agriculture field. It helps to have as much information on the plant as possible such as bloom color or shape, when the plant blooms, etc.
  • Contact the WCEO at (270) 842-1681 to let our staff know that you have a sample for identification.
  • Please tell us the best way to reach you either via phone or email. Agents will get back to you as soon as possible.

For questions on how to submit samples for identification, please contact the Warren County Extension Service at (270) 842-1681. Please note if you reside in another county to contact your local Extension office to see the best procedure for handling these services.

May Vegetable Gardening Tips

Home gardeners have finally gotten warm-season vegetable crops planted in their home vegetable gardens. Now, you may wonder, “What should I do next?” Today on episode 7 of the Sunshine Gardening Podcast, I am sharing 4 secrets on how to keep your garden looking attractive to finish strong for the month of May! Stay with me for more details right here on the Sunshine Gardening Podcast!

#1- Use Companion Planting Strategies.    

Gardeners have planted several warm-season vegetables in the garden this month! They may have planted a nice mixture of tomatoes, peppers, eggplant, cucumbers, squash, and sweet corn. Alongside these vegetables, gardeners should consider planting culinary herbs since they serve as a great companion plant. Companion planting is defined as planting two or more crops near each other crops in the vegetable garden to gain benefits for the home gardener. It has been shown to maximize vegetable yields, improve pest management, increase nutrient uptake, and enhance pollination with some crops. 

Planting herbs around vegetables invite beneficial organisms to the garden. Herbs like basil, cilantro, dill, and parsley attract beneficial insects to feed and find shelter to support various stages of predatory and parasitic insects. Lady beetles, lacewings, praying mantids, and spiders are among those organisms that are attracted to aromatic culinary herbs. Not only are companion plantings good for attracting beneficial insects, they also draw in native pollinators. Some examples of culinary herbs to make room for in the garden are basil and oregano. Basil is a good herb for planting around tomatoes and provides shelter for a number of beneficial insects such as lady beetles and lacewings. Oregano is the pizza herb to use for seasoning pizza dishes at home.

Another plant that comes to mind with companion planting is marigolds. Several gardeners plant this warm season flower every year in their garden to protect vegetables from harmful insects. Research has shown that the roots of marigolds produce biochemical that are poisonous to minute worm-like organisms that can cause damage to plants.

To discover other possibilities of companion plants to use in the home vegetable garden, make sure to see the show notes. I have included a table that lists crops that do well when planted next to each other in the home vegetable garden.

Crop:Companions:
CornBeans, Cucumbers, English Pea, Irish Potato,
Pumpkin, Squash  
CucumberBeans, Cabbage, Corn, English Pea, Radish, Sunflowers  
EggplantBasil, Beans, Catnip, Lemon Grass, Marigold  
OkraPeppers, Squash, Sweet Potatoes  
PepperBasil, Clover, Marjoram, Tomato  
SquashNasturtium, Corn, Marigold  
Sweet PotatoOkra, Peppers, Sunflowers  
TomatoAsparagus, Basil, Carrot, Cucumber,
Marigold, Onions, Parsley, Rosemary  

Source: ATTRA publication on
Companion Planting & Botanical Pesticides: Concepts & Resources

#2- Provide vegetable plants with water after being planted.

It is important to provide plants with water after being planted in the ground. Carry out watering routines in the morning between the hours of 6am and 10am. This time frame allows plants plenty of time to dry off during the day. Avoid splashing the foliage with water to reduce foliar diseases.

While it may be expensive, drip irrigation is a convenient way to provide consistent soil moisture to plants. Water is targeted at the base of the plant which is then absorbed by the root system.

Here are critical times to water common vegetable crops in the home garden.

  • Cucumber- flowering and fruit development
    • Eggplant- uniform supply from flowering through harvest
    • Melon- fruit set and early development
    • Pepper- uniform supply from flowering through harvest
    • Summer squash- bud development, flowering, and fruit development
    • Sweet Corn- silking, tasseling, and ear development
    • Tomato- uniform supply from flowering through harvest

#3- Apply fresh organic mulch.

Mulch can offer several benefits to the home gardener! It helps conserve soil moisture by creating a barrier between the soil and the air, controls weeds by blocking the sunlight, and is aesthetically pleasing and attractive to the garden.

Apply 2 to 4 inches of fresh mulch around plants to help conserve soil moisture and reduce weeds. If you desire an organic mulch, layers of newspaper or straw are good mulches to consider. These mulches will return nutrients into the ground after they have decomposed. Another option would be inorganic mulch like black plastic. This type of mulch will reduce weeds and encourage earlier planting for crops by 2 weeks.  

Organic mulch return nutrients to the soil after decomposing.

#4- Side-dress vegetables at the correct time.

In order for vegetables to produce lush, continuous growth throughout the season, they require a uniform supply of nutrients. Gardeners should side-dress vegetable transplants at the correct time and at the recommended rate to give them an extra supply of nutrients needed for continuous growth throughout the season.

Here are the recommended times for side-dressing common vegetables in the home garden.

    • Cucumber- apply 1 week after blossoming begins and Eggplant- after first fruit set
    • Peppers- after first fruit set
    • Squash- additional nitrogen might reduce yield or lower quality
    • Sweet corn- when plants are 12 inches tall
    • Tomatoes- apply 1 to 2 weeks before first picking and same amount 2 weeks after first picking

I hope that you found this information helpful today. If you would like additional information on other gardening tasks to perform this month, make sure to see the show notes on the blog at Warren County Agriculture to find the May Gardening Checklist that I have created. It lists other activities to do in and around the home garden. To view this checklist, visit me on the blog at Warren County Agriculture, https://warrencountyagriculture.com/. Feel free to leave any questions that you might have or make any additional comments on the blog.

As always, make sure to tune in with me for more gardening information each week right here on the Sunshine Gardening Podcast! Each week, I plan to share seasonal gardening tips and tricks to help gardeners reach their gardening goals and to help the sun shine a little brighter over their Kentucky garden. To stay up to date on all the latest episodes, hit the subscribe button wherever you get your podcasts.

Make sure to leave me a review on iTunes, so I can know what future gardening information to share with you each week. To help sweeten the deal, the first 10 subscribers to leave me a review on iTunes will receive a gardening prize. 

Gardeners keep digging into gardening and remember to add a little sunshine!

Resources:

Home Vegetable Gardening in Kentucky, ID-128- http://www2.ca.uky.edu/agcomm/pubs/id/id128/id128.pdf

Top 10 Tomato Growing Tips

It is no wonder that tomatoes are the number one vegetable that every gardener makes room for in their vegetable garden! Tomatoes can be cultivated in different soil types and grown in many areas. The wide variety of colors, shapes, and sizes of tomatoes make it easy for gardeners to select their favorite variety based on taste. Today on the Sunshine Gardening Podcast, I am sharing 10 top tomato tips to give you better tasting tomatoes this season.

  1. Know your tomato type. Determinate type tomatoes, also called bush tomatoes, grow to a certain height and then stop. Generally they range in size from 2-3 feet in height. The fruits of determinate tomatoes also ripen all about the same time. For this reason, these tomatoes are ideal for gardeners who wish to can and preserve their tomatoes from the season. Determinate tomatoes work best for small gardens or even container gardens. These do not require support system or structure. Some examples of determinate type tomatoes include Mountain Spring, Mountain Pride, Patio, and Sunmaster. Indeterminate type tomatoes. This tomato type is also referred to as vining tomatoes. Vining type tomatoes keep growing and growing until they are killed by frost. Their mature heights can reach anywhere from 3 to 6+ feet. With that said, indeterminate tomatoes will require sturdy support system through caging, staking, or trellising. The fruit is also staggered throughout the growing season. Common examples of indeterminate tomatoes include Better Boy, Early Girl, Sungold, and Super Sweet 100.   Semi-determinate plants. Plants are intermediate in size between determinate and indeterminate tomatoes. These varieties produce fewer suckers than indeterminate varieties and reach a height of 3 to 5 feet. An example of a semi-determinate tomato variety is Celebrity. Dwarf indeterminate. This type is a new tomato classification where the tomatoes produce very short, bushy plants that are similar to determinate types, but keep flowering and producing fruit continuously like indeterminate tomato varieties. Some examples of dwarf indeterminate tomatoes are Husky Red Cherry and Husky Gold.
  2. Plant tomatoes in succession. It is easy to get carried away and plant all the tomatoes in the garden at once. Instead, stagger tomato plantings to help lengthen the season. Select an early maturing tomato for canning and preserving and then plant a mid-season tomato. The late maturing varieties are good to capture the last remaining harvests before fall frosts set in.
  3. Plant them deep and provide plenty of space. Set tomato transplants in the garden a little deeper than when it was growing in the container. The stems will form roots compared to other vegetables. If plants appear leggy, place the leggy tomato stem in a trench and place soil on top where the top part is pointed up. It is best to give plants plenty of space to grow and develop. For determinate type tomatoes, space them 24 to 36 inches between plants and 3 feet apart in rows. For indeterminate type tomatoes, space plants 36 inches apart with 4 to 5 feet in rows.  
  4. Utilize a support system. Tomatoes will benefit from the use of a support system such as a cage, stakes, or even a trellis system. Using these support systems keeps fruit off the ground, which prevents fruit rotting and other harmful diseases. Staking tomatoes makes the job easier to care for them and helps aid in reducing fruit rots. Caging tomatoes gives the benefit of showing fewer cracks and sunburn on fruit. It also helps them ripen more uniformly and produces fewer cull fruits. Whatever the preferred method, gardeners need to implement the support system shortly after planting to avoid damaging the root system.
  5. Give them water. The best thing that you can do for tomatoes is to make sure to water them and water them consistently. I recommend watering early in the morning rather than later in the evening. A morning watering routine will allow plants to dry off during the day. If you water in the evening, plants stay moist and that can bring on more tomato diseases. When you water plants, target the stream of water directly at the root system so the root system can take up the water and transfer up the stem to the plant. Avoid hitting the foliage when watering to also help in decreasing tomato diseases. Deep, infrequent watering is strongly encouraged over light, frequent watering. This tip allows help promote a deeper root system for the plant. 
  6. Mulch them. Apply 2 to 4 inches of mulch around tomato plants. Mulch conserves soil moisture, protects low growing tomatoes, and prevents water from splashing onto the foliage which spreads disease such as blight. It also helps to deter weeds from growing and it is also very attractive in the garden. Selecting an organic mulch such as leaves, straw, grass clippings, and even newspaper will return nutrients to the ground and help the soil structure after it decomposes. Lastly, mulch will also assist in reducing blossom end rot from occurring later in the season.
  7. Prune suckers. Indeterminate tomato varieties like cherry type tomatoes will benefit from removing suckers that grow below the first flower cluster. The sucker is a small plant that is located in the axil of each leaf of the tomato plant. It robs energy and nutrients from the tomato plant, so it is best to pinch it before it becomes too large.
  8. Side-dress them. Tomato plants benefit from additional fertilizer after the fruit has set. When first fruits reach golf ball size, scatter 1 TBS ammonium nitrate in a 6 to 10 inch circle around each plant. Water thoroughly and repeat every two weeks.
  9. Scout plants daily and perform health checks. Different insects and diseases can affect tomato plants throughout the growing season. Scout plants daily to determine if there are any plant pests. Look on the undersides of leaves for any aphid damage, watch for water soaked areas to form on the fruit from blossom end rot, and keep an eye on foliage for early signs of tomato blight. Blight starts at the bottom of the plant and eventually works its way up to the new growth of the plant. For questions on tomato pests, contact your local Extension Office in your area. They can help pinpoint the problem and help you come up with a solution.
  10. Enjoy the tastes of tomatoes! Tomato growers are often rewarded with more than enough tomatoes when they reach the harvest stage. Share the bounty with family, friends, and neighbors. I find that it is fun to try different tomatoes varieties to compare and explore their tastes. You can easily see which tomatoes that you want to add to your garden for next year!  

Well, there you have it, Kristin’s top 10 tomato growing tips. With all these tips, I guarantee that you will be harvesting tomatoes quicker than you can say “BLT”! I hope that you enjoyed this episode of the Sunshine Gardening Podcast. If you would like additional information on growing tomatoes for the Kentucky garden, make sure to see the show notes for episode 6. I have posted the link to the University of Kentucky Cooperative Extension Service publication for Home Vegetable Gardening in Kentucky. This is the gardening bible to help you learn more about gardening in Kentucky. To can find more information on tomatoes, turn to pages 42 and 43 in this publication. To view the show notes, visit the blog at Warren County Agriculture, https://warrencountyagriculture.com/. Feel free to leave any questions that you might have on the blog or make additional comments.

Make sure to tune in with me for more gardening information each week right here on the Sunshine Gardening Podcast! Each week, I plan to share seasonal gardening tips and tricks to help gardeners reach their gardening goals and to help the sun shine a little brighter over their Kentucky garden. To stay up to date on all the latest episodes, hit the subscribe button wherever you get your podcasts.

I would love it if you could leave me a review on iTunes, so I can know what future gardening information to share with you next time. To help sweeten the deal, the first 10 subscribers to leave me a review on iTunes will receive a gardening prize. 

Gardeners, keep digging into gardening and remember to add a little sunshine!

Resources:

Home Vegetable Gardening in Kentucky, ID-128- http://www2.ca.uky.edu/agcomm/pubs/id/id128/id128.pdf

April Gardening Tips

Kentucky gardens are bursting with spring color this month! Flowering trees and shrubs are blooming beautifully in the home landscape, while various types of flowering bulbs are scattered throughout garden beds. April is chock full of gardening activities to perform! Outdoor temperatures are cool enough that it makes it an ideal time to work outside. Today on episode 5 of the Sunshine Gardening Podcast, I am sharing 4 quick tips of things to do right now in the garden for the month of April. Stay with me as I explain some of these much needed garden activities to help you get a jump start on the spring gardening season!

Soil Preparation

To rototill or not to rototill? That is the question. Excessive rototilling, year after year, can damage soil structure and reduce the benefits of organic matter. Beneficial soil health builders such as earthworms and soil microbes are also damaged by it.

If adding lime and fertilizers according to soil test recommendations, home gardeners will want to rototill the soil to a depth of eight to ten inches to prepare their garden for planting. Break up any clumps that may form during this process to help aerate the soil.   

If garden soil has good tilth from previous compost or manure applications and lime or fertilizer is not needed, gardeners can skip rototilling. Instead, use a garden shovel to loosen the soil before planting. Later, use an iron garden rake for smoothing and leveling out garden soils in order to make a good seed bed for plants.

Remember to avoid working the soil when wet. The best test to see if the soil is too wet is to take a handful of soil and form it into a ball. If the soil crumbles readily after being pushed with your finger, the soil can be worked. On the other hand, if the soil does not break apart and stays in the ball form, the ground is too wet to be worked. Working wet ground leads to clods which make it difficult to loosen after being dried. Plus, clods greatly reduce the good seed to soil contact required for seeding germination of vegetable crops.

Cool Season Vegetables

Continue to plant cool season vegetables in the home vegetable garden. These plants like the cooler air temperatures of Kentucky and include plants such as spinach, lettuce, collards, turnip greens, onions, beets, broccoli, cabbage, Brussel sprouts, cauliflower, carrots, early potatoes, radish, and Swiss chard. Some plants do better when directly sown into the ground and thinned out after germination.

Swiss chard growing in a raised bed garden.

To have a continuous supply of vegetables, plant a succession of those crops every 2 weeks. For more information about home vegetable gardening in Kentucky, see the publication number ID-128 titled Home Vegetable Gardening in Kentucky. It has everything that you will want to know about growing home vegetables in Kentucky. To view the link to the guide, please see the show notes.  

Plant a Spring Salad Bowl Garden

Try a new spin on growing salad greens this year—in a salad bowl! Choose a shallow container that contains several holes for drainage. Since this is a salad bowl garden, the container does not necessarily have to be round, but it does make for an interesting container. Window boxes and rectangular containers are also acceptable.

Next, select a good potting soil mix for growing lettuce greens in the container. Avoid potting mixes that contain lots of bark since this causes the pot to dry out quickly. A good potting soil mix will contain different soil less media components such as peat moss, perlite, and vermiculite. Some potting mixes will have soil release fertilizers added in, but it is usually better to incorporate these fertilizers separately. 

The fun part is deciding what plants to grow in your salad garden. Seeds can be started in your container, but it is easier to purchase transplants from a reputable garden center in your area. Several varieties of lettuce are available including arugula, romaine, spinach, and Swiss chard. Planting culinary herbs like cilantro, dill, and parsley will offer additional flavor as well.

Lastly, space transplants about three to four inches apart in your container. Make sure to locate your container in an area that receives at least six hours of sunlight and check every day for watering needs. A good rule of thumb is to perform the “finger test” where you feel around the soil with your fingers. If the soil feels dry, add water until it begins to run out the drainage holes in the bottom of the container. 

Keep plants moist and well fertilized during the growing season. Harvest a month after planting by picking individual leaves from plants. If you enjoy growing lettuce for salads, make succession plantings two to three weeks apart to provide an adequate harvest.

Watch for Cabbage Maggot in the Garden

Be on the lookout for cabbage maggots, if you have newly transplanted cabbage in the garden. Cabbage maggots have white, legless bodies with a pointed head and a blunt rear. The pupae stage of this insect likes to overwinter in the soil where they enjoy feeding on small roots or tunnel into larger stems of plants. When the soil warms in the spring, adults emerge and then mate which leads to further egg laying of this insect.

Cabbage Maggots
Source: Dr. Ric Bessin, University of Kentucky Extension Entomologist

To control maggots, delay planting time if you know a long period of cool and wet spring weather is predicted. Cabbage planted during this time is placed at a greater risk for damage. Scout and closely evaluate around cabbage plants daily during favorable conditions.  Young plants seem to be more easily damaged than established plants. Make improvements to make sure that the garden soil drains well. Raise the soil 4 to 6 inches like a bed and place plants directly into the raised garden area. Some gardeners may want to spend a little extra money by building a frame using wood boards or landscape timbers to support the soil around plants so they will not wash away after a heavy rain.

Practice Companion Planting Strategies for the Home Vegetable Garden

Utilizing companion planting strategies in the vegetable garden can give several advantages for the home gardener. In this practice, plant two or more plant species next to one another to gain benefits such as growth, pest control, or improved flavor. It has even shown to maximize vegetable yields.

Planting herbs around vegetables invite beneficial organisms to the garden. Herbs like basil, cilantro, dill, and parsley attract beneficial insects to feed and find shelter to support various stages of their predatory and parasitic insects. Lady beetles, lacewings, praying mantids, and spiders are among those organisms that are attracted to aromatic culinary herbs. Not only are companion plantings good at attracting beneficial organisms, but they also draw in pollinators. Bees really enjoy the blooms of basil, buckwheat, and clover.

If you are planting crops in the cabbage family, try planting other crops around it such as aromatic herbs, celery, beets, onions, spinach and Swiss chard. If you are planting lettuce, using crops like carrots and radishes. Remember that the key to success with companion planting is experimentation and observation in the garden. Write down those successes and failures in a garden journal to help remember that information to use for the next growing season.

Another plant that immediately comes to mind when talking about companion planting concept is marigolds. Several gardeners religiously plant this warm season annual flower every year for added diversity and to protect their vegetables from harmful insects. Research has shown that the roots of specific marigolds produce biochemicals that are poisonous to minute worm-like organisms that damage plants and reduce yields. This benefit is noticed after growing marigolds as a cover crop and turning them into the soil.   

I hope that you found this information helpful today. If you would like additional information on other April gardening tasks to perform this month in the Kentucky garden, make sure to see the show notes. I have developed and compiled a checklist of garden activities to perform in and around the Kentucky garden for the month of April. Hopefully this guide will help you see the different jobs that are needed to be done now and get you a step ahead for future gardening tasks!

April Gardening Checklist

To view the show notes, visit me on the blog at Warren County Agriculture, https://warrencountyagriculture.com/. Feel free to leave any questions that you might have or make any additional comments on the blog.

Since April is National Gardening month, I would love to see what you are growing this year in your garden! To help showcase what you are growing this year in the garden, post a picture on Facebook and add the hashtag #sunshinegardening and #growinginWarrenCounty if you are a Warren County, KY resident. I would love to see how you are growing your garden this year! It doesn’t matter if it is vegetables, herbs, flowers, landscape trees or fruit trees. I want to see your garden plants!  

Again, I hope you enjoyed this episode of the Sunshine Gardening Podcast! Make sure to tune in with me for more gardening information each week right here on the Sunshine Gardening Podcast! Each week, I plan to share seasonal gardening tips and tricks to help gardeners reach their gardening goals and to help the sun shine a little brighter over their Kentucky garden. To stay up to date on all the latest episodes, hit the subscribe button wherever you get your podcasts.

Make sure to leave me a review on iTunes, so I can know what future gardening information to share with you each week. To help sweeten the deal, the first 10 subscribers to leave me a review on iTunes will receive a gardening prize. 

Keep digging into gardening and remember to add a little sunshine!

Resources:

Home Vegetable Gardening in Kentucky, ID-128- http://www2.ca.uky.edu/agcomm/pubs/id/id128/id128.pdf