How to Grow Brussel Sprouts

By Samuel Mark

Author bio: Samuel Mark is the founder of https://samuelsgarden.com/. He is a garden lover. He worked as a farmer in the past, then he make his blog to share his experience about garden caring and tree plants with his community.

If you like the taste of brussels sprouts and frequently eat this in your meal, growing brussel sprouts in planting pots at your home will be practical and provide you with fresh food. This article will give information on how to grow brussels sprouts in containers and care for your plants so that they can develop well and handle external factors like diseases and pests.

Brussels sprouts are cool-season crops that should be planted in spring or fall. You need to follow guidelines to do it right and help this plant grow efficiently. Let’s scroll down to start exploring how to plant them well!

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The Best Varieties Of Seeds For Growing Brussel Sprouts

Jade Cross

This hybrid type provides large quantities of delicious brussels sprouts. The plants usually grow to a maximum height of 28 inches. Strong winds can rarely damage Jade cross sprouts since they are less susceptible than others.

Long Island Improved

When long island improved brussels sprouts develop, their leaves are scattered and easily recognizable. These sprouts can survive greatly due to their strong and independent stems.

Catskill

This type provides a lot of extra-large sprouts, which have sturdy stems and the ability to live in severe winters. The maturity period often lasts from 90 to 100 days.

Brussel Sprouts Growing Stages

1. Sowing Period

Brussels sprouts typically have two sowing periods: spring and fall.

  • For spring sowing, start after the last frost. You can use silicone seed starting trays indoors and then transplant them outdoors. Sow seeds between late February and early April, with a seedling period of about 6–8 weeks. Transplant outdoors from early May to early June.
  • For fall sowing, start 90–100 days before the first frost. You can sow seeds directly outdoors. Sow between late July and early August, with a seedling period of about 6–8 weeks. Transplant outdoors from early September to early October.

Brussels sprouts thrive in cool growing conditions with an ideal temperature range of 50–68 °F. Avoid sowing too late in the spring to prevent high summer temperatures from affecting growth. In the fall, sow as early as possible to ensure enough growth time before the first frost.

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2. Germination Period

The germination period for Brussels sprouts is typically around 7–14 days. The ideal soil temperature is 59–77 °F. Maintain adequate moisture to support seed germination.

3. Seedling Period

The seedling period for Brussels sprouts lasts about 3–4 weeks. At this stage, ample light and water are necessary to promote growth.

4. Growth Period

The growth period for Brussels sprouts is generally around 4–6 weeks. During this time, they need sufficient nitrogen, an appropriate temperature, and ample sunlight to ensure healthy development.

young brussel sprout plant

5. Heading Period

The heading period for Brussels sprouts usually lasts 8–10 weeks. During this time, small buds form at the top of the plant, gradually developing into small heads. It is important to provide enough phosphorus and potassium. The ideal temperature is 50–68 °F.

6. Maturation Period

The maturation period for Brussels sprouts is typically around 4–6 weeks. The heads continue to enlarge until they reach a mature size of about 2–4 inches in diameter. Consistent light and water are necessary, and avoid excessively high temperatures.

7. Harvest Period

The total growth cycle for Brussels sprouts is approximately 85–110 days. At this point, the heads are firm and plump. Harvest mature Brussels sprouts from the bottom up, usually from fall to early winter.

This type provides a lot of extra-large sprouts, which have sturdy stems and the ability to live in severe winters. The maturity period often lasts from 90 to 100 days.

Prepare Container for Growing Brussel Sprouts

A too-small pot may not fit the plant when they grow, so you will need at least a 1-foot-deep pot or 17-inch high raised garden beds. Next, prepare organic or synthetic fertilizer and brussels sprout seeds. Potting mix and potting soil are acceptable, but we recommend using potting mix as it’s light, well-draining, and suitable for adding more fertilizer. (Here is the guide for the best soil for raised beds )

A Step-By-Step Guide for How to Grow Brussel Sprouts

Plant Brussels Sprouts Seeds Inside

Add the soft potting mix into each pot with some room left so it won't overflow when watered. Then, add fertilizer or compost to the potting mix. In each pot, sow seeds about 0.5 inches deep.

The seeds will take up to 20 days to germinate. You need to place them in a warm, sunny, and humid environment at this stage. Choose the best leaf from the seedlings when they show their first leaves, and then use sterile scissors to cut the rest.

The seedlings should be transplanted outside when their height reaches five to seven inches. In the whole process, always keep the soil moist.

Determine When Growing Seeds Outside

The ideal time to move brussels sprouts seeds outside is about two to three weeks before the last winter day, depending on your region’s climate. For example, if you live in a temperate environment, you can move your plant outside in early autumn. For people who live in tropical or mild winter climates, placing the plant outside in mid-autumn is perfect for collecting spring crops.

Move Brussels Sprouts Seeds For Outside Planting

Brussels sprouts need a particular environment so that they can develop healthily. Since this is a cool-season plant, colder weather is preferable for its growth and maturation in your planting containers.

How To Care For Growing Brussel Sprouts In Containers? 

transplant brussel sprouts in container

Choose The Proper Location

Choose a location in your house that receives a lot of sunlight and good airflow. Every plant, including brussels sprouts, needs natural light and fresh air to be fruitful.

However, this location should not be too windy, or you can equip it with safeguards against strong winds. When dealing with excessive wind, brussels sprouts become unstable due to their slim roots.

Moreover, this area should be shaded if you live in a warmer area, often exposed to long hours of sunlight. Brussels sprouts’ growth will be hampered or damaged by excessive heat.

If you are using metal raised garden beds to grow Brussel Sprouts, then you may want to know more about the location to place metal raised garden beds.

Pest Control

Like cabbage, brussels sprouts have big troubles with the same pests, including cutworms, leaf miners, aphids, and powdery mildews. Keeping your Brussels sprouts healthy is the most effective strategy to deal with ailments and pests. Ensure that there is adequate air and water so that your plants can develop well. Also grow some companion plants to double secure your garden bed safety including radish, garlic, spinach.

Prune Regularly

Pruning your plants is the most crucial task you need to do routinely. Pick the grown brussels sprouts from their bottom while trimming the lower leaves. When removing the lower leaves, you stimulate your brussels sprouts to rise higher and focus on producing new plants on their tops.

Conclusion

Growing Brussel sprouts is not as difficult as you may think; however, it requires careful management and care. Three varieties of Brussels sprouts that can develop well in containers are long island improved, Jade cross, and Catskill. Planting one of them will be easier as they adapt well to living in garden beds.

Most importantly, understanding their characteristics and environmental factors will help you care for them better and prevent attacks from pests and diseases. If you have any questions about growing this plant, contact us, and we will get back to you soon.

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