PlantsVegetables & Roots

Broccoli

Broccoli (Brassica oleracea)
javier martin · Public domain
Broccoli in flower
In flower · (c) Gianni Del Bufalo bygdb, some rights reserved (CC BY) · CC BY

Brassica oleracea

Zone 6a garden plant. Hardy through a Chicago winter unless the note says to pot it.

Cool-season heads, best as a fall crop

ModerateVegetables & RootsEdible
Light
Full sun
Moisture
Medium
Mature size
1–2 ft
Spacing
18 in
Bloom or harvest
Heads Jun or Oct
How it spreads
Annual
What to buy
Transplant.
When to plant
Spring: set out early April. Fall: start seed mid-June, transplant late July.

In the design

Spring heads often bolt. Don't be surprised.

If you eat it

Heads and tender stems

Wash. Yellow flowers mean you waited too long.

Only eat what you planted and can name. This is not a foraging or medical guide.

Plants that share this spot

More in this group

Reference details
Conservatism value
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Wetland indicator
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