Dakota Gardener: Brussels sprouts, re-evaluating a detested vegetable (2024)

By Esther E. McGinnis, horticulturist

NDSU Extension

As a child, I wouldn’t eat vegetables for over a decade. My poor parents spent countless hours at the dinner table trying to convince me to eat a variety of foods. After becoming a teenager, I finally discovered the joy of eating freshly grown garden produce.

Despite turning over a new leaf, I avoided trying Brussels sprouts for over 30 years because of their reputation as a stinky, mushy and bitter vegetable.

One day, I was dining with a client at a restaurant in the Twin Cities. The chef served roasted Brussels sprouts in a balsamic glaze as a side dish. I gingerly tried this detested vegetable and proceeded to clean my plate.

Brussels sprouts have a bad reputation for a couple of reasons. First, many people don’t know how to prepare to optimize their flavor. The stereotypical cooking method is to boil them into a gray, soggy mess. A more flavorful method is to roast them in the oven in a little oil with your favorite seasonings such as garlic salt and parmesan. They become crispy and caramelized when baked.

Another reason that Brussels sprouts have a bad reputation is that older cultivars used to taste bitter. In the 1990s, Dutch scientist Hans van Doorn isolated the compounds responsible for the bitter flavor. As a result, seed companies were able to breed and select cultivars that contained less of these compounds.

Fall is a great time to give Brussels sprouts a first try (or a second chance) as they will be coming into season at farmers markets around the region after the first frost. Exposure to frosts enhance the flavor of the sprouts.

If you discover that you adore the complex flavors as much as my family does, consider growing them in your garden next year.

Brussels sprouts are a long-season crop that are timed to mature after the first frosts. Most gardeners in the region transplant seedlings into the garden in late May or early June but this is dependent upon the cultivar’s days to maturity. Transplants may be purchased from local nurseries or seeds sowed indoors 4 to 6 weeks before transplanting.

To achieve a bountiful crop, irrigate the plants during dry spells and fertilize before sprout formation. It is normally a low-maintenance crop with the exception of insect pests.

The dreaded cabbage worms and loopers are the biggest pests. Brussels sprouts are in the same plant family as cabbage, broccoli, cauliflower, and kale. Consequently, they attract a lot of the same pests. Fortunately, these insects can be sustainably managed using products that contain Bacillus thuringiensis (B.t.).

Harvest after frost exposure when the individual sprouts are firm when pinched. Picking can continue until the temperature reaches the mid-twenties. Also keep in mind that bigger is not better. The ideal sprout size is in between one and two inches.

Happy gardening! I double dare you to eat and grow this delicious crop.

NDSU Agriculture Communication – Sept. 14, 2022

Source: Esther McGinnis, 701-231-7971,esther.mcginnis@ndsu.edu

Editor: Kelli Anderson, 701-231-6136, kelli.c.anderson@ndsu.edu

Dakota Gardener: Brussels sprouts, re-evaluating a detested vegetable (2024)

FAQs

Dakota Gardener: Brussels sprouts, re-evaluating a detested vegetable? ›

A more flavorful method is to roast them in the oven in a little oil with your favorite seasonings such as garlic salt and parmesan. They become crispy and caramelized when baked. Another reason that Brussels sprouts have a bad reputation is that older cultivars used to taste bitter.

What not to plant next to Brussels sprouts? ›

What Not To Plant With Vegetables
VegetableBad Companion Plants
Brussel SproutsMustards, nightshades
CabbageGrapes
CarrotsDill, parsnip and radish
CauliflowerDill, parsnip and radishes
27 more rows

What is the best fertilizer for brussel sprouts? ›

Apply ½ cup per 10 feet of row of nitrogen-based fertilizer (21-0-0) at 4 and 8 weeks after transplanting or thinning to encourage vigorous plant growth. Avoid applying additional nitrogen after sprouts begin to form. High nitrogen levels cause loose sprouts and splitting to occur.

Why are my Brussel sprout seedlings falling over? ›

Cause: If a batch of otherwise healthy seedlings fall over and wither seemingly overnight, they are likely victims of damping-off, a fungal disease that attacks stems at the soil surface and is usually deadly. Excess moisture or nutrients create conditions that promote damping-off.

Why are my Brussel sprout plants dying? ›

Brussels sprouts can be a little tricky to grow. Problems most likely to be encountered include; Wilting young plants: Plants may wilt after planting due to lack of water. Adequate water at planting and subsequently is required.

What is the best companion plant for brussel sprouts? ›

Onions and Garlic:

These pungent alliums are great companions for Brussels sprouts. Garlic and onions have strong scents are effective in deterring common pests like aphids and some beetles. Plus, they occupy a different space in the garden bed, ensuring efficient use of space.

Can I plant Brussels sprouts next to tomatoes? ›

Tomatoes and other nightshades, like eggplants, need a lot of nutrients to grow. Brussels sprouts are also heavy feeders, so two should not be planted next to each other as they will compete for the same nutrients.

Should you remove lower leaves on brussel sprout plants? ›

Farmers often remove the lower leaves to speed up harvesting. Leave the leaves in tact. They produce the energy for the plant. The more energy produced the bigger the sprouts.

Should you cover brussel sprouts when growing? ›

Brussels sprouts need protection from pests such as cabbage butterflies and pigeons, so are best covered with fine-mesh netting. Water whenever the soil starts to dry out and support taller plants with canes.

What eats Brussels sprout plants? ›

Brussels Sprout Pests
  • aphids.
  • maggots.
  • earwigs.
  • cutworms.
  • leaf miners.
  • nematodes.
  • snails and slugs.
Jul 4, 2021

Are coffee grounds good for brussel sprout plants? ›

I never thought a plant that made a vegetable so disliked could look so beautiful. So do brussel sprouts like coffee grounds? You Bet they do!

What helps Brussels sprouts grow? ›

Brussels sprouts need room to spread out, so space them 18- 24 inches apart in an area that gets 6 or more hours of sun daily and has well-drained, fertile soil with a pH of 6.8.

Why are my brussel sprouts growing but not producing? ›

Lack of nutrients: Like other members of the cabbage family, Brussels sprouts are heavy feeders. Plant this crop in compost-rich soil and fertilize periodically throughout the growing season. Consider having a soil test to determine if nitrogen levels are adequate.

What are the disadvantages of Brussels sprout? ›

Although a healthy vegetable, consuming too many Brussels sprouts can be unsuitable for people on anticoagulants since it contains vitamin K, which results in blood clotting. Another issue with consuming Brussels sprouts excessively is that it can lead to gas and bloating.

Can you plant Brussels sprouts next to zucchini? ›

Brussels Sprouts: Brussels sprouts have a longer growing season than zucchini and require cooler temperatures to thrive, while zucchini prefer warmer temperatures. Additionally, Brussels sprouts can be susceptible to some pests, such as aphids, cabbage moths and cabbage worms, which may also attack zucchini plants.

What grows like brussel sprouts? ›

Kalettes look like a miniature ornamental kale but grow similar to Brussels sprouts. “Kalettes will produce the best when planted in fertile soils with pH 6.5-7.5. The crop should be well-fertilized and irrigated in dry weather.

What vegetables should not be planted next to each other? ›

14 Vegetables You Should Never Plant Together—Gardening Experts Explain Why
  • 01 of 14. Beans and Onions. ...
  • 02 of 14. Tomatoes and Potatoes. ...
  • 03 of 14. Corn and Tomatoes. ...
  • 04 of 14. Tomatoes and Brassicas. ...
  • 05 of 14. Cucumber and Squash. ...
  • 06 of 14. Lettuce and Celery. ...
  • 07 of 14. Fennel and Tomatoes. ...
  • 08 of 14. Peppers and Cabbage.
Jan 16, 2024

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