Crimson Clover Growing Guide

Crimson Clover

Crop Rotation Group

Legumes (Pea and Bean family) 

Soil

Any well drained soil.

Position

Full sun.

Frost tolerant

In the US, crimson clover is hardy to Zone 6. Established plantings made in early fall can tolerate temperatures to 0F (-18 C) or slightly colder.

Feeding

When using crimson clover to improve very poor soil, mixing a balanced organic fertilizer into the soil before planting will give better results. Using inoculated seed can also help to grow a vigorous stand.

Companions

Cornflower and Broccoli. Often planted with hardy annual flowers including bachelor buttons and corn poppies.

Spacing

Single Plants: 3" (10cm) each way (minimum)
Rows: 3" (10cm) with 3" (10cm) row gap (minimum)

Sow and Plant

Sow in late summer so that plants can become established before cold weather comes. In cold climates, crimson clover can be planted in early spring instead of fall. Broadcast seed into cultivated soil so that the seeds are about 2 inches (5 cm) apart and one-half inch (1 cm) deep. No thinning is required.
Our Garden Planner can produce a personalized calendar of when to sow, plant and harvest for your area.

Notes

Crimson clover is one of the most beautiful cover crops you can grow.

Harvesting

Take down plants just as the red tops begin to fade, but before the plants produce mature seeds. The easiest method is to slice plants off at the soil line with a sharp hoe. They can then be turned under or composted. Nitrogen nodules left behind in the soil add fertility.

Troubleshooting

Crimson clover plants become quite tough as they age, but they seldom regrow when cut off at the soil line.

Planting and Harvesting Calendar

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Pests which Affect Crimson Clover

Plant Diseases which Affect Crimson Clover