How to Manage Pests

Pests in Gardens and Landscapes

Time to plant

Cole crops include crops in the mustard family such as broccoli, cauliflower, brussels sprouts, and cabbage. They are hardy, cool-season vegetables. Ideally they are best grown when the average air temperatures are between 60° and 65° F. However, seeds germinate best with slightly warmer temperatures of around 70° F so you can start your seed indoors if you are planting later in the season. The lower temperature threshold for growth is 41° F and the upper about 77° to 86° F. Temperatures in the upper range can stimulate cole crops to produce seed heads especially if they have begun to head or reverted to producing only leafy growth or no growth at all. Prolonged periods of temperatures below 50° F can also stimulate seed-stem elongation in cole crops.

All plants can be planted from transplants, shoots, or roots. Broccoli and cabbage are suitable for a small garden if compact varieties are grown. In suitable climates, broccoli can be planted more than once a year for a continuous harvest.

Planting Dates for Cole Crops in California*

Direct seed or transplant
  Broccoli Brussels sprouts Cabbage Cauliflower
North and North Coast
Monterey County north
Feb.–April
Aug.–Sept.
Feb.–May
Jan.–April
July–Sept.
June–July
Jan.–Feb.
South Coast
San Luis Obispo County south
June–July

Jan.–Feb.
June–July
Aug.–Feb.
July–Oct.
Feb.
Interior Valleys
Sacramento and
San Joaquin valleys
Dec.–Feb.
July
July–Aug.
July
Feb.
July–Aug.
Desert Valleys
Imperial and
Coachella valleys
Sept.
July–Aug.
Sept.–Nov.
Aug.–Sept.
*Areas are large, so planting dates are only approximate, as the climate may vary even in small sections of the state. Contact experienced gardeners in your community and experiment on your own to find more precise dates.

 


Statewide IPM Program, Agriculture and Natural Resources, University of California
All contents copyright © 2014 The Regents of the University of California. All rights reserved.

For noncommercial purposes only, any Web site may link directly to this page. FOR ALL OTHER USES or more information, read Legal Notices. Unfortunately, we cannot provide individual solutions to specific pest problems. See our Home page, or in the U.S., contact your local Cooperative Extension office for assistance.

Agriculture and Natural Resources, University of California

Accessibility   /PMG/GARDEN/VEGES/CULTURAL/broccolitime.html revised: April 25, 2014. Contact webmaster.