Best Summer Cover Crops

For weed suppression and a major boost to soil fertility, sow these four fast-growing summer cover crops in any patch possible, even during your prime gardening season.

Sunn Hemp Crop Grows Rapidly
Sunn hemp undergoes an impressive growth spurt from two weeks to four weeks (shown here). Plant sunn hemp a week or two after you’d plant sweet corn in your area, and succession sow up to nine weeks before a killing frost.
Photo by Harvey Ussery