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A Complete Guide To Growing Broccoli Indoors

Growing broccoli indoors

Farm fresh broccoli is so good. You can grow broccoli even if you don’t have a farm. This complete guide to growing broccoli indoors will teach you everything you need to know to bring the farm to your living room.

Growing broccoli indoors Growing broccoli indoors

Why growing broccoli indoors is a great idea.

Everyone loves broccoli or at least most people do according to a survey by Green Giant and published on Vegetable Grows News.

Broccoli is easy to grow in containers. It has few needs and problems.

Your container broccoli garden can even do well with as little as 6 hours of sunlight which is far less than some other large vegetables. Also cooler temperatures indoors make your broccoli happiest.

Choosing the right seed for growing broccoli indoors

There are many different varieties of broccoli. The 3 best container broccoli plants to grow indoors are:

Waltham 29; an heirloom variety. These plants have a non uniform heads and prolific side shoots. This will give you a longer number of days of harvesting.

Dicicco; an heirloom variety. These also have non uniform heads that are small to medium heads. This plant will give you a smaller harvest over more days.

Calabrese; an heirloom variety. These have medium to large main head followed by a large about of side shoots.

No matter which variety is best for you there are some basics that you need to know.

How to grow broccoli indoors in containers

Growing broccoli indoors Broccoli growing it indoors

Broccoli is easy to grow indoors. However it is important to set your plants up for success.


Your broccoli will need a container that is a minimum of 3 gallons. Most varieties will grow in a space that is around 1 1/2′ wide. Your plants will grow about 2′ tall.


Broccoli doesn’t need as much light as other garden vegetables. Most plants will do well with 6 hours of direct light but more lighting is better. 6-8 hours is perfect.

sow good naturally

You can grow broccoli with a grow light as the primary light or as a supplementary to available sunlight. Learn more about grow lighting here


Broccoli is a heavy feeder so they do best in a compost rich well drained soil. The soil needs to have a lower PH level than some plants. The best PH is 6.0 to 6.8.


Once you plant your seeds in the proper soil there should be no need to add fertilizer.


This is one vegetable that does better in cooler temperatures. Broccoli grows in temperatures between 55 and 75 degrees. This range makes them perfect for year round indoor growing.


Harvest the main head when the the head is still full and tight. If the head starts to turn yellow harvest it right away. Cut the side heads as they become a good size.

Growing broccoli indoors Growing broccoli indoors

Tips to remember when growing broccoli indoors

Container broccoli is normally trouble free. There are a few things to remember

If your plant is growing slow, increase the amount of light the plant gets every day.

The most common pests when indoor gardening are gnats. A small bowl of cider vinegar and water with a few drops of dish detergent will keep them under control. Additional information can be found in the great article from Country Living

Keep your plant from getting too warm. If your broccoli gets too warm then it will bolt. So make sure the temperature stays in the 60s and 70s.

For great indoor grow lighting solutions visit our Etsy store

LED Grow Light
HandMade in the US by a small business

I hope you find this a complete guide to growing broccoli indoors helpful

Please check out my new book on Amazon


This Post Has 6 Comments

  1. I have a tower garden and wanted to know how many heirloom seeds do I plant to begin. Is it one or two??

  2. I appreciate how supportive this is of my goal to grow broccoli indoors, however I still have no idea how to do so because of the use of non-metric units. I can deal with inches but I have no idea what a gallon is and in my understanding 55 to 75 degrees is quite a lot.

    But good on you for understanding those units mate,


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