Planting and Growing Broccoli

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This page talks about planting and growing broccoli. It gives many helpful tips and practical advice based on David's own gardening experiences.

First of all read germination tips.

Broccoli can be grown in all seasons, if you have the right variety. Make sure you have the right broccoli for your area.

There are only two colors for broccoli.  Green and purple, but mostly green.  Even hybrids are limited to the two colors.

Broccoli prefers a well-drained, fertile soil high in organic matter with a pH of 6.0-7.5. Prefers a consistent supply of moisture throughout the growing season. Irrigate regularly for best results.

For disease and insect control, talk to a master gardener in your area or contact your extension agent.  Each county has one.

Plant in a location that receives full sun. Supply adequate levels of nitrogen to keep the plants productive over a long season. If your soil is not high in fertility, side dressing may be needed.

Start seeds in early spring, March through April,and transplant as soon as temperatures have moderated. Do not transplant until after the last frost, as seedlings have less tolerance to cold than older plants.

For fall harvests: Fall harvests can be achieved in any location, regardless of climate. Start seeds in June–July, depending on your location and transplant approximately 4 weeks later.

Before transplanting out into the garden, make sure you follow some sort of hardening off process.

When plants are six inches tall and the temperature is okay, transplant outside and use a transplant solution. Plant seedlings at least 18 inches apart. Broccoli leaves can get very large so leave plenty of room for growth.

Use an organic fertilizer and follow the manufacturer's direction.

Harvest broccoli when the heads are full and compact, but before they start separating and forming flowers for seed production.

Harvested broccoli should be eaten within four to seven days. If you are going to freeze it, then do so within 24 to 48 hours to maintain freshness. Make sure you blanch the broccoli before you freeze it.

Frozen broccoli will last about six months in the freezer.  Or you can pickle it using a pressure canner. Pickled broccoli will last about one year.

Because of the low acid in broccoli, it cannot be canned like bush beans.

If you are looking for seed production from open pollinated varieties, then let the florets turn into stalks.  Stalks will then produce flowers.  Flowers will produce pods. Each pod will have 4 to 6 seeds in it.  You can get thousands of seeds from one plant. Of course you may have to cover them because birds will like them as well. I found this out the hard way when I had some almost ready to harvest and the birds got them. In one night they ate thousands of seeds.

Some broccoli will produce side shoots once the main head is harvested.

At the end of the season, insect-free and disease-free plants can be put in the compost bin. The best way to accomplish this is to shred the plants.

If the plants have insects or disease, put in a plastic bag and throw in the trash can.  If no insects or diseases, compost it.


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I bought and grew Calabrese broccoli seeds. I had about 85% germination. I noticed that David has lowered his prices. The seeds grew in heads that weighed …

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Go to Tips on Planting and Growing Vegetables from Planting and Growing Broccoli

All of the variety information on the David's Garden Seeds® website, including the days to maturity, color and size are based on data from tests done at specific locations. Many factors, including geographic location, daytime and nighttime temperatures, the availability of plant nutrients, many unknown climate factors and insects/pest interact to determine a variety's performance. For information on which varieties will perform best in your area, we recommend that you contact your local county extension agent or a Master Gardener.

David's Garden Seeds® Mission Statement

Here at David’s Garden Seeds®, gardening is our passion. We provide top quality, non-GMO seeds so families can learn about gardening and love it.  In turn, we hope they will pass this passion down to their children and grandchildren, teaching them to grow  delicious food, fresh herbs and beautiful flowers.

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