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Ornamental Kale

By Rick Gush, Urban Farm contributor

Friday, November 09, 2012

ornamental kale

Photo by Rick Gush

Ornamental kale is striking when mixed into a garden.

When I managed the grounds department for a Las Vegas hotel, we used to plant a lot of ornamental kale and cabbage in the flowerbeds. I remember that we’d frequently have trouble when homeless people would rip up a few of the plants and try to eat them. Unfortunately, these colorful cabbage cousins aren’t nearly as tasty as a nice, regular head of cabbage. I’ve tried to eat ornamental kale, and I think only the center floret is fairly edible if steamed and eaten with vinegar or horseradish, but the older, outer leaves are just too tough.

The big trick with ornamental kale is to plant it early and give it a lot of space and fertilizer. It’s a cool-weather crop, so planting early in climates, such as California’s, usually means planting in late summer or very early fall. In Minnesota, planting early probably means seedlings on the refrigerator in February. In any case, weekly feedings with a liquid fertilizer containing nitrogen will make the plants grow toward their maximum potential.

There is actually some news in the world of ornamental kale, and that is the relatively recent availability of the small-headed but long-stemmed varieties called leaf peonies. Leaf peonies are captivating new versions of this old-fashioned flower species.

Ornamental kale is a good crop for small farmers if they use a large container for cultivation. Small pots tend to stunt these plants, so the way to grow the impressively large specimens that fetch top dollar on the market is to use a 1-gallon bucket or larger containers. A mature ornamental kale plant at 6 months old can be as large as 2 feet wide if grown in a 5-gallon or larger container. I have seen growers field grow some monster specimens that were then being dug and root wrapped for bare-root sale to customers.

Just for the record, the ornamental cabbages are those with the slightly wavy leaves. The really crinkled leaves are on kale plants. Kale is planted more because they are a bit more striking. Many people plant in patterns and use the two leaf types and the two basic color types to make disparate plots and panels of contrasting plants in the flowerbeds. Some red-leaved cabbage planted in a circle surrounding a group of white marked kale plants is a classic layout style. Mixing in other flowering plants gives even greater dazzle power.

It is true that the cold weather brings out the colors in the individual plants. This means that what home growers would ideally do is buy very young, green specimens at their local nursery, and then plant those as yet un-colorful plants in their flowerbed. Then, start feeding them like crazy, growing the mostly gray-green plants to the greatest size possible before the cold weather arrives and essentially stops any expansive new growth. The big, green adolescents will then evolve into becoming the fully colored, mature plants.

Read more of Rick's Favorite Crops »

Give us your opinion on Ornamental Kale.
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Ornamental kale is EVERYWHERE here in Las Vegas! It seems that it's one of the few color sources in groundskeeping during the cooler months.

What hotel did you work for?
Bruce, Las Vegas, NV
Posted: 11/21/2012 9:37:01 AM

About the Blogger

Rick Gush

Rick Gush
Rick Gush has long been a staunch organic gardener. While a student at the University of California at Davis he worked at local tomato and sugar beet farms and continued in the agricultural and horticultural industries for many years. A career move in the 1990s led him to design computer games, but no matter how much of a techie he’s become, gardening and farming remain his principal passions.

In 2000, Rick moved to Italy, where he writes to you about his cliff garden and other experiences in Italian urban agriculture.

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