Your Weekly Electronic Gardening Guide
Practical Horticulture for Busy People.
Broccoli
About This Plant...
Family:
Brassicaceae
Genus and species:
Brassica oleracea (Botrytis group)
Growing Season:
spring and fall
Indoor Sowing...
Time needed to reach transplant size:
6-8 weeks
When to transplant to garden:
4 weeks before to 2 weeks after last spring frost
Outdoor Sowing...
When to sow outdoors:
4 weeks before last spring frost
Other Sowing Guidelines...
Approx. germination time:
4-20 days
Germination temp.:
45-85 degrees F.
Sowing depth:
1/4 inch
Days to maturity:
50-80 days from transplant
Transplanting Guidelines...
Spacing between plants:
12-24 inches
Spacing between rows:
18-36 inches
Growing On...
Pests:
cabbage loopers, imported cabbageworms, flea beetles, aphids, root maggots
Diseases:
clubroot, black rot, downy mildew, white mold
Harvest:
when buds on the head are firm and tight
Growing tips:
protect transplants from hard frosts; sow seeds directly in garden in early summer for a fall crop
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