Growing Vegetables in Containers

comments (19) April 3rd, 2009

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Ruth Ruth Dobsevage, member
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Click To Enlarge Photo: Debbie Baxter

If you have limited space and time but still want to try your hand at growing vegetables, think containers. No yard is necessary; a patio, deck, windowbox, or even a fire escape will do. All you'll need is a couple of containers, some soil, seeds or seedlings, and a little fertilizer. Your cash outlay will be minimal, and you'll have the satisfaction of growing something tasty to eat.

You won't be alone. According to a 2009 National Gardening Association Survey, about half of all food gardening households (48 percent) grow food in containers. I've always been blessed with enough space for an in-ground garden, so I never had to "resort" to growing vegetables in containers, but this year I decided to explore the topic.

Hollandia Nurseries, Bethel, Connecticut
  Hollandia Nurseries in Bethel, Connecticut, offers gardening seminars every spring.

I recently attended a seminar on the topic at Hollandia Nurseries in Bethel, Connecticut, an  established family-owned business with gorgeous display gardens and acres of greenhouses with flats of annuals, perennials, and vegetables as far as the eye can see. Owner Eugene Reelick took an hour out of his busy day to explain the basics. Here's what I learned:

Location, location
Vegetables need 6 to 8 hours of sun per day. For heat-loving plants, a south or southwest exposure is best. To keep lettuces productive in the summer, a southeastern exposure gives them light early in the day and keeps them out of the strong afternoon sun. Of course if your container small enough to carry, you can move from place to place, as necessary.

Choosing a container

No veggies here, but there could be
  Not the best or cheapest choice for growing vegetables, but you could grow them here.

Somewhere out there in the marketplace, there's the perfect container for you in the material, shape, size, and price range you seek. Ceramic, plastic, terra-cotta, wood...the list goes on. You can purchase a container that's diminutive, or you can get one that requires a forklift to move. You can even get a railing planter with a bottom that's configured to sit snugly on a 2x4 or 2x6 deck railing. Or you can simply reuse something you already have, such as a whiskey planter, garbage can, joint-compound bucket, baskets, or windowbox.

Whatever container you use, just make sure that it has drainage holes at or near the bottom and that it's deep enough for what you want to grow. Lettuces and herbs require the least depth; tomatoes, peppers, eggplant, broccoli, and cukes the most.

Soil selection is critical
A high-quality potting soil is your best bet, and Reelick recommends Hamptons Estate Professional Potting Soil. Another good choice is a commercial soil-less mix. Topsoil alone is too heavy and should be avoided. And it never hurts to add some compost. To retain moisture, Reelick suggests adding some Soil Moist to the bottom of the container to help retain moisture.

Plant from seed or seedlings

Leaf lettuce in a container
  Leaf lettuce is a good choice for a container garden. The plants continue to grow as you harvest individual leaves, and if you shelter the container from the heat of the sun, you'll extend the season into early summer.

Either will work. Nearly any vegetable can be grown in containers (Reelick wouldn't suggest trying corn, pumpkins or watermelon), but it's best avoid "mammoth" varieties. Stick with "patio" tomatoes, Asian-style eggplants (long and skinny), and bush squash. Anything tall will need a trellis or stake and a deep container.

For seeds, make a shallow depression in the soil, sprinkle in some seeds, cover lightly with sand, and water. For seedlings, plant and water. Be prepared to thin when the seeds sprout.

Water and fertilize
If your containers dry out completely, your plants are toast. Soak the containers before they reach that condition. Self-watering containers are sold by Gardener's Supply and many other garden sites. For fertilizing containers, Reelick swears by Osmocote and Jack's Classic Plant Food.

Don't forget to harvest
When the food is ready, don't let it go to waste. Pick leafy lettuce by the leaf, and the plant will grow more. When the radishes are pulled, you can plant something else.

In the fall, put your container garden to bed
Each year you'll want to put a fresh soil mix into your containers, so you need to empty them before spring rolls around. With ceramic containers, it's important to do this in the fall if you live in a cold climate, or the containers may crack.

Read more articles on growing vegetables in containers...

Learn more about growing veggies in containers

Your local cooperative extension station might be a great resource for detailed information, but you may have to hunt a bit to locate what you want. Here are a couple of useful links I've turned up:

Container Vegetable Gardening: Healthy Harvests in Small Spaces
Maryland Cooperative Extension
This in-depth treatment of the topic includes a nifty design for a self-watering container you can make from a 5-gal. bucket.

Vegetable Gardening in Containers
Virginia Cooperative Extension
There's a section on veggie container gardening indoors and a chart that lists minimum container size and plant spacing for several common vegetables.

Vegetable Gardening in Containers
Texas A&M
This page suggests specific varieties suitable for container growing and also contains a troubleshooting chart for correcting common problems, such as spindly or stunted plants.

Minigardening: Growing Vegetables in Containers
Florida Coooperative Extension
A chart lists commonly available containers, along with suggestions on what to grow in each. There's also a recipe for a homemade soil mix and a list of commercially available mixes. And an account of how a central Florida gardener grew tomatoes in 5-gal. square cooking-oil cans.

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Comments (19)

mickysingh writes: Great Effort
Posted: 3:13 am on July 8th
ajayind writes: Ultimate...
Posted: 2:38 am on June 3rd
ajayind writes: One word .. Elegant
Posted: 2:38 am on June 3rd
MaryamWasim writes: Really .. Great THought
Posted: 5:34 am on May 26th
matthewtweedie writes: Excellent Content...
Posted: 4:52 am on May 25th
Dallinlarsen555 writes: cool
Posted: 12:51 pm on October 6th
matthewtweedie writes: mind blowing
Posted: 12:06 am on September 30th
machirano writes: Great for health ..Doctor always say that eat green vegetabale
Posted: 5:58 am on August 14th
jimmiemueller writes: Excellent..
Posted: 8:09 am on August 3rd
microwaveoven writes: most popular design.
Posted: 6:55 am on August 3rd
bradlewilliams writes: Really effective
Posted: 11:35 am on August 2nd
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Posted: 12:07 pm on August 1st
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Posted: 2:00 am on July 29th
KayClayton writes: Really like this.
Posted: 6:54 am on July 4th
Rander12 writes: that look like
Posted: 2:20 am on February 18th
JimmyLee21 writes: Just Brilliant
Posted: 2:22 am on February 2nd
ElisaDixon writes: Incredible work
Posted: 1:38 am on January 26th
bobbyevans6 writes: Great effort
Posted: 1:43 am on January 2nd
KarenBudnick writes: Great post, Ruth - I have my seeds (container lettuce - Garden Babies Butterhead) from Renee's Garden and organic potting soil. Rain or not - there's a container in my garage with their name on it this week-end!
Posted: 6:52 pm on April 3rd
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