Cauliflower is a member of the mustard (or cole) family along with broccoli, Brussels sprouts, cabbage, kale and radishes.
Try growing cauliflower varieties with different colors, including white, yellow, green and purple.
Start seeds indoors about 6 weeks before planting time or transplant a start into your garden. Plant 12 to 24 inches apart.
Water to keep soil evenly moist.
Add a balanced fertilizer every 3 to 4 weeks after the plant is about 4 inches tall. Follow fertilizer package directions.
Season and Location
Plant in fertile, well-drained soil in full sun.
Cauliflower prefers cool weather, so plan for a harvest in spring or fall.
Container Gardening
Choose small, compact varieties such as Snowball or Violet Queen.
Use at least a 5-gallon container with holes in the bottom for drainage.
Key Pests and Diseases
Aphids: hose off with water.
Cabbage worms: remove by hand.
Use plant covers early in the season to reduce pests.
To help reduce disease, do not plant cole family vegetables in the same area more than once every 3 or 4 years.
When to Plant and Harvest Cauliflower in Oregon
Coast: Plant in January to harvest February through April. Plant again in June to harvest July through September.
Western Valleys: Plant seeds indoors mid-February through mid-March. Plant April through mid-July to harvest mid-July through October.
Central/Eastern (high elevations): Plant seeds indoors mid-February through mid-March. Plant April through May to harvest June through August.
Columbia and Snake Valleys: Plant seeds indoors mid-February through mid-March. Plant in April to harvest May through June. Plant again in July to harvest August through November.
