How to Grow Broccolini – A Beginner’s Guide

broccolini plant growing in garden
Broccolini, which are known botanically as  Brassica Oleracea, are a type of vegetable that can easily be grown at home. Continue reading to learn the basics of growing broccolini as well as common mistakes to avoid along the way.

Best Time to Plant Broccolini

This will depend largely on your local climate, but as a rule of thumb, begin to plant the broccolini seeds plant 2 weeks before the last frost. This is the best time to ensure that the seedlings survive the weather.

To check when broccolini are most likely to thrive in your area, see the USDA Plant Hardiness Zone Map. If you live outside the US, do a quick search for ‘plant hardiness zone + [city]’.

How to Plant Broccolini the Right Way

There are a number of things to consider that will help you avoid some of the common mistakes of growing broccolini in your home garden.

Often overlooked, your soil can have a huge impact on how well your broccolini grow. Generally, your soil should be well-drained with a texture between sandy and clay loam. Soil PH levels should be around 6.0 and 7.0.

2″-3″ apart. 2′ apart. The seeds should be sowed at a depth of about .5″. For each plant, be sure to sow at least a few seeds to ensure that at least one of them will germinate.

Begin thinning your broccolini seedlings one plant every 2′ when 1″ tall.

How Much Sunlight is Needed to Grow Broccolini

The amount of sunlight is another key to a successful harvest. Too much sunlight will dry out your broccolini. Not enough sunlight will stunt your its growth or even kill it.

Ideally, your broccolini should be getting full sun, which means as much sunlight as you can possibly give it, or at least 6 hours or more.

How Much to Water Broccolini

As you’ve figured by now, a lot can have an impact on how well your broccolini do, and the amount of water is no different.

Ideally, the soil should be damp to touch; not soggy or bone dry. If the leaves on your broccolini begin to change colors or start to look droopy, you need to adjust how much water you’re giving it.

Unfortunately, if you give it too much or too little water, you can kill it, so it’s best to just keep an eye on it and water as needed.

How Long Does it Take Broccolini to Germinate and Grow?

Now the fun part begins and you get to watch your broccolini grow.

It takes approximately 10-14 days to germinate, and a total of 90 days from seed to harvest.

When to Harvest Broccolini

The best time to harvest your broccolini is when the heads begin to form and the leaves are a brilliant, dark green.

Broccolini can grow up to about 4 to 6 inches in diameter.

What Can Broccolini Be Used For?

Food Use: cooked in variety of waysteamed, grilled, stir-fried, boiled, roasted, and even eaten raw

Flavor Profile:  Sweet, fresh broccoli taste!

Can Broccolini Grow in Pots and Containers?

Yes, the best container size is 12″+. This can help control weeds and keep your plant from growing out of control.

It also gives you the flexibility to move your broccolini around if you need to adjust sunlight or bring it indoors to avoid harsh weather conditions.

Are Broccolini Safe for Bees?

Yes, broccolini are safe for bees.

According to, bees pollinate human food crops that make up about 90% of the world’s nutrition.

Given their importance in our ecosystem and food supply, I feel it is important to note that growing broccolini is bee-friendly.

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