Flowers
All zones
- Delphiniums
- Everlasting daisy
- Forget-me-not
- Hollyhock
- Marigold
- Nigella
- Polyanthus
- Stock
Zones 1-3
- Coleus
- Gerbera
- Nasturtium
- Salvia
- Verbena
- Zinnia
Zones 4-6
- Cornflower
- Godetia
- Larkspur
Vegetables
All zones
- Beetroot
- Broad beans
- Broccoli
- Cabbage
- Carrot
- Cauliflower
- Celery
- Leeks
- Onion
- Parsnip
Zones 1-3
- Brussels sprouts
- Fennel
- Kahlrabi
- Parsley