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Growing Collard Greens

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Collard Greens growing

This hearty, nutritious vegetable is a staple in the southern US, and has its best flavor after the first frost. This guide is about growing collard greens.



Here are questions related to Growing Collard Greens.

Question: Growing Collards

Q: I planted my collards in the Spring of 2005 and cut them back in the Fall of 2005. These plants are still going strong. How many years can collard plants grow? Shall I cut them back to the stem again to keep them growing? Would it do any good?

Hardiness Zone: 8a

Thanking you in advance.
Holly from Dallas, TX

A: Holly,

Since is doesn't sound like you are looking to harvest the collards over the winter, I would keep cutting them back in the fall the same way you did last year. Collards are usually grown as annuals, but they can also be grown as biennials or perennials in warmer climates. They can survive temperatures to the upper 20s-even cooler if they are located in the right microclimate.

I've heard of them growing for several years before tiring out. Collards taste best during the cooler parts of the season, especially right after a light frost. This is because the plant responds to cooler temperatures by moving water from the leaves to the roots, which concentrates the sugars in the leaves and ultimately gives them a sweet flavor. You can get this same "sweet" flavor in the heat of the summer if you pop the whole plant (stems and all) into the freezer for about 10 minutes. You end up sacrificing the plant, but you get leaves with that post-frost sweet flavor.

By Ellen Brown


Most Recent Answer

By Sharon (Guest Post)08/16/2006

Yes, I have had the same results by repeatedly pinching off the flower stalks for many years now and it works great. The plant can become like a small tree often times with many plants sprouting from the same stalk. Quite unusual as a striking yet still productive curiosity.

Question: Growing Collard Greens

I planted Collard Green seeds last year in early Fall. The plants came up and I did not cut them down as usual. They survived the winter and now have grown to about five feet tall with yellow flowers on top. What should I do? Should I cut the flowers to promote leaf growth? Will cutting the flowers kill the plants?

Hardiness Zone: 7a

By joneslogic from New Haven, CT


Most Recent Answer

By carolyn [8]05/22/2009

I think that your collard greens will be tougher than usual.

Question: Growing Collard Greens

When the flowers come on the top of collards are the green leaves still good to eat?

By Colonel

Most Recent Answer

By susan [5]04/14/2014

Usually when garden plants flower and bolt, they aren't eaten because they turn bitter. If you don't mind bitter greens, go ahead and eat them.

Question: Harvesting Collard and Mustard Greens

I planted collard greens and mustard in the early summer. Can I pick and cook them now?

By Jane K.

Most Recent Answer

By LeeAnn [1]07/27/2011

Yes, your plants should be large enough by now. I always select a few leaves from the bottom and add to my salads, or steam the collard greens. Yummmm! You can also start new plants now to harvest throughout the winter months if your zone allows. I live in Zone 7 and have a year-round garden. I actually enjoy the winter garden best, no bugs and a wonderful mixture of greens!

Question: Collard Greens Harvest

Collard Greens growing I planted collard greens about a month ago. They look ready to pick, how will I know?

Hardiness Zone: 10a

By Jeanne from Sun City, CA

Most Recent Answer

By kathleen williams [23]05/14/2010

I pinch the leaves off & cook them any time I want some, you can ad a little sugar to them while cooking, taste them before serving, good luck.

Question: Getting Seeds from Collard Greens

Q: I am growing collard greens and have many, many plants. I pick and cook the leaves regularly. Recently, I have noticed that 3 of my collard plants have began to go to seed and have beautifully yellow blooms from the seeds. How do I get these seeds and plant them so they can make more collard green plants? Is it too late after the blooms develop or can I cut of the bloom with stem and plant in the dirt? Please help.


A: Sheryl,

If you want to save the seeds from your collard greens, just leave some of the flowering plants alone to form seed pods. You'll be able to identify them easily once they form because they look almost like green beans. In fact, some people even eat them. The pods can be left to dry right on the plant in the same way you would leave bean pods to dry. Once dry, store them in a paper bag until you plant them. Cutting off the stem of the plant while it's blooming and planting it won't work. Collard greens are best grown from seed or by purchasing seedlings inexpensively from a nursery.

Good luck!

By Ellen Brown

Most Recent Answer

By Anna Marie (Guest Post)05/18/2006

Just wait and watch. The flowers will produce seeds. Wait until they are just dry and take them for use. Depending on where you live, you may want to wait to replant as they probably won't appreciate the summer heat.

Question: Harvesting Collard Greens in January

I planted collards the first of September and did not harvest. It is now the middle of January and the leaves have turned a light brown, sorta purple. Are they still good to harvest?

By Dwight

Question: Collard Greens Leaves Yellow Near Soil

I'm a first time gardener. I planted collards and cabbage this fall. They are really doing great! My question is at the bottom of some plants near the soil, the leaves tend to turn yellow. I was wondering whether they are getting too much water or not. I water every evening when the sun goes down. Thx.

By Nadine D

Question: Growing Mustard and Collard Greens from Seed

I planted a couple of mustard and collard greens and some have already popped out of the soil with two little leaves. I was wondering if they need any special lighting or do they just need warmth or the sun?

By Daniel from Weslaco, TX

Question: Growing Mustard and Collard Greens

I planted a couple of mustard and collard greens and some have already popped out of the soil with two little leaves. I was wondering if they need any special lighting, or do they just need warmth, or do they need the sun?

By Daniel

Question: Collards Blooming Too Early

I live in West Virginia. I bought collard plants the first of April and planted them. They have been growing for about 4 or 5 weeks. Now they are starting to bloom and the plants aren't that big. Should I cut the blooms off? Will the plant continue to have the large leaves after blooming?

By Karen

Question: Harvesting Georgia Hybrid Collards

My husband planted Georgia hybrid collards last October. They are about 3 1/2 feet tall. Can I still prepare the leaves and which ones? I have not harvested any of it yet. We live in central Florida. They are nice looking. Thank you.

By Lucy

Question: Using Collards That Survived the Winter

I am in Virginia and my collards lasted through the winter into this spring. They are still small in size and look great. Are they still good?

By Dia

Question: Collard Green Stalks Rotting

My collard green stalks are getting soft and rotting out before the season is over. It is now only the first of September. What could be causing this to happen?

By Clarence

Question: Harvesting Collard Seeds

My dad has always had the most beautiful collard plants. He is trying to harvest his own seeds now. Any details? How long do you dry the pods? How long is the seed good? What's the best way to dry the pods? I need any advise and/or information.

By Brenda from Natchitoches, LA

Question: How Late Can I Plant Collard Greens?

Is November too late to plant collard greens?

Hardiness Zone: 9a

By Sonya from Baker, LA

Solutions: Growing Collard Greens

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Thrifty Fun has been around so long that many of our pages have been reset several times. Archives are older versions of the page and the feedback that was provided then.

Archive: Growing Collard Greens

By Ellen Brown

Q: The older the collard plant, the smaller the leaves. I planted a collard plants this Spring. Can I get the Fall season out of it by cutting it down to the ground? My location is Dallas, TX.

Thanks for your input,

A: Cookwie,

You can certainly try it, but it really depends on how much the plant has already produced for you. You're right, though, this late in the season the leaves will definitely be smaller. As long as the plants haven't flowered, they may continue to sprout leaves from the sides of the stem. Cut the plants back when they are about half grown, and when harvesting take only the lower leaves to keep the plant growing and producing more leaves. Because of your location, you probably still have time to sow new seeds for a second season Fall crop (50-60 days to adult plants) if you plant them now.

About The Author: Ellen Brown is our Green Living and Gardening Expert. Click here to ask Ellen a question! Ellen Brown is an environmental writer and photographer and the owner of Sustainable Media, an environmental media company that specializes in helping businesses and organizations promote eco-friendly products and services. Contact her on the web at

Archive: Collard Greens Harvest

I always heard that it is best to pick collard greens after the first frost.

Woody from NC

RE: Collard Greens Harvest

This is true. The first frost makes the collards sweeter. I sometimes buy my collards fresh and stick them in the freezer. When I'm ready to cook them I just take them out of the freezer, defrost them, wash them, and cook them. This makes it easier to wash them, too. The collards shrink and get limp so the dirt washes right off. This method also makes them easier to get into the pot. (04/18/2007)

By EnSusie from Buckhead, GA

RE: Collard Greens Harvest

Yes, better after a frost, but I wouldn't avoid them until a frost. Just know that they can be on the strong/bitter flavor side and use less in a mixed recipe. (04/19/2007)

By cookwie

RE: Collard Greens Harvest

Before the frost sweetens them, pick only young, small leaves. I usually buy ham hocks as soon as I can get a big batch, and simmer them all day together. Then I freeze the extra for other times. (04/20/2007)

By Coreen