Reseeding Plants: Managing Self-Seeders for a Thriving Garden

Reseeding (self-seeding) plants offer free, renewable garden additions—but without management, they can become unruly. These annuals, biennials, and even some vegetables drop viable seeds that germinate the next season, often in unexpected places.

Common Self-Seeders

Flowers: Poppies, Bachelor’s Buttons, Coreopsis, Forget-Me-Not, Zinnias, Sweet William, etc.
Vegetables: Tomatoes, squash, cucumbers, melons (may not grow true to type).
Biennials (seed in year two): Carrots, beets, parsley, broccoli.
Herbs: Chamomile, cilantro, dill.

Management Strategies

• Crop rotation is critical for vegetables to avoid soil-borne pests and diseases.
• Limit seed set—allow only a few plants to go to seed.
• Use edging to contain spread, but expect some volunteers elsewhere.
• Remove unwanted seedlings early (easier when soil is moist) or mow them in lawns.
• Transplant volunteers to desired locations for a designed look.

Embrace the serendipity—reseeding plants add charm and reduce replanting costs. With a little guidance, they enhance rather than overwhelm.