Create your calendar
Method
Rel. frost
Last spring frost (0°C) 9 Apr Normal year · 20 years of data
Frost-free season 208 days 9 Apr – 3 Nov

Vegetables

Plant Sow indoors Transplant Direct sow
Date Growing timeGrow. time Date Rel. frost Date Rel. frost
Cauliflower
Brassica oleracea (Botrytis-gruppen)
23 Mar – 6 Apr
5-7 wk
11 May
5 wk after
3 Apr
1 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
18 Mar – 1 Apr
4-6 wk
29 Apr
3 wk after
3 Apr
1 wk before
Chili pepper
Capsicum annuum
Greenhouse
25 Feb – 25 Mar
8-12 wk
20 May
6 wk after
Kale
Brassica oleracea (Curly Kale-gruppen)
20 Jan – 3 Feb
5-7 wk
10 Mar
4 wk before
27 Mar
2 wk before
Cucumber
Cucumis sativus
Fleece
7 – 14 May
3-4 wk
4 Jun
8 wk after
Florence Fennel
Foeniculum vulgare
Greenhouse
15 – 22 Apr
4-5 wk
20 May
6 wk after
22 Apr
2 wk after
Butter bean
Phaseolus lunatus
Greenhouse
22 – 29 Apr
3-4 wk
20 May
6 wk after
Onion
Allium cepa (Cepa-gruppen)
15 Jan – 12 Feb
8-12 wk
9 Apr
Vid frost
22 Apr
2 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
22 Apr
2 wk after
22 Apr
2 wk after
Sweetcorn
Zea mays
Fleece
27 Apr – 4 May
3-4 wk
25 May
7 wk after
Chard
Beta vulgaris (Flavescens-gruppen)
13 – 20 Apr
3-4 wk
11 May
5 wk after
22 Apr
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
27 Mar
2 wk before
Cavolo nero
Brassica oleracea (Palm Kale-gruppen)
20 Jan – 3 Feb
5-7 wk
10 Mar
4 wk before
27 Mar
2 wk before
Potato
Solanum tuberosum
3 – 17 Mar
4-6 wk
14 Apr
1 wk after
14 Apr
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
20 Jan – 3 Feb
5-7 wk
10 Mar
4 wk before
3 Apr
1 wk before
Pumpkin
Cucurbita pepo
Fleece
7 – 14 May
3-4 wk
4 Jun
8 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
13 – 20 Apr
3-4 wk
11 May
5 wk after
22 Apr
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
18 Mar – 1 Apr
4-6 wk
29 Apr
3 wk after
Lettuce
Lactuca sativa
3 – 10 Mar
3-4 wk
31 Mar
1 wk before
3 Apr
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
17 Feb – 3 Mar
4-6 wk
31 Mar
1 wk before
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
27 Feb – 13 Mar
2-4 wk
27 Mar
2 wk before
27 Mar
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
3 Apr
1 wk before
3 Apr
1 wk before
Spinach
Spinacia oleracea
20 – 27 Feb
3-4 wk
20 Mar
3 wk before
20 Mar
3 wk before
Sweet potato
Ipomoea batatas
11 – 25 May
4-6 wk
22 Jun
11 wk after
Tomato
Solanum lycopersicum
Fleece
25 Mar – 8 Apr
6-8 wk
20 May
6 wk after
Tomatillo
Physalis ixocarpa
French bean
Phaseolus vulgaris
7 – 21 May
2-4 wk
4 Jun
8 wk after
20 May
6 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
18 Mar – 1 Apr
4-6 wk
29 Apr
3 wk after
Pea
Pisum sativum
20 – 27 Feb
3-4 wk
20 Mar
3 wk before
3 Apr
1 wk before
Current date Soon Date passed

Herbs

Plant Sow indoors Transplant Direct sow
Date Growing timeGrow. time Date Rel. frost Date Rel. frost
Basil
Ocimum basilicum
Fleece
13 – 27 Apr
4-6 wk
25 May
7 wk after
Lemon balm
Melissa officinalis
29 Jan – 12 Feb
8-10 wk
9 Apr
Vid frost
5 May
4 wk after
Dill
Anethum graveolens
3 Apr
1 wk before
Chives
Allium schoenoprasum
13 – 27 Jan
6-8 wk
10 Mar
4 wk before
3 Apr
1 wk before
Spearmint
Mentha spicata
26 Dec – 23 Jan
8-12 wk
20 Mar
3 wk before
5 May
4 wk after
Coriander
Coriandrum sativum
22 Apr
2 wk after
Sage
Salvia officinalis
2 – 16 Mar
8-10 wk
11 May
5 wk after
Thyme
Thymus vulgaris
18 Feb – 4 Mar
8-10 wk
29 Apr
3 wk after
Oregano
Origanum vulgare
21 Feb – 7 Mar
6-8 wk
18 Apr
1 wk after
5 May
4 wk after
Parsley
Petroselinum crispum
23 Jan – 6 Feb
6-8 wk
20 Mar
3 wk before
3 Apr
1 wk before
Rosemary
Salvia rosmarinus
2 Feb – 2 Mar
10-14 wk
11 May
5 wk after
Current date Soon Date passed

Annual flowers

Plant Sow indoors Transplant Direct sow
Date Growing timeGrow. time Date Rel. frost Date Rel. frost
Morning glory
Ipomoea tricolor
Season too short
7 – 14 May
3-4 wk
4 Jun
8 wk after
Cornflower
Centaurea cyanus
20 Mar
3 wk before
3 Apr
1 wk before
Statice
Limonium sinuatum
Fleece
11 – 25 Mar
8-10 wk
20 May
6 wk after
Sweet William
Dianthus barbatus
23 Jan – 6 Feb
6-8 wk
20 Mar
3 wk before
14 Apr
1 wk after
Snow-on-the-mountain
Euphorbia marginata
Fleece
25 Mar – 8 Apr
6-8 wk
20 May
6 wk after
25 May
7 wk after
Dahlia
Dahlia × pinnata
2 – 16 Apr
6-8 wk
28 May
7 wk after
Dahlia (tubers)
Dahlia × pinnata
10 Mar – 7 Apr
4-8 wk
5 May
4 wk after
5 May
4 wk after
Foxglove
Digitalis purpurea
9 – 23 Jan
8-10 wk
20 Mar
3 wk before
22 Apr
2 wk after
Busy lizzie
Impatiens walleriana
Fleece
12 Mar – 9 Apr
8-12 wk
4 Jun
8 wk after
Creeping zinnia
Sanvitalia procumbens
9 – 23 Apr
6-8 wk
4 Jun
8 wk after
Hyacinth bean
Dolichos lablab
Season too short
23 Apr – 7 May
4-6 wk
4 Jun
8 wk after
Chinese lantern
Physalis alkekengi
2 – 16 Mar
8-10 wk
11 May
5 wk after
Love in a mist
Nigella damascena
3 Apr
1 wk before
Strawflower
Xerochrysum bracteatum
Fleece
25 Mar – 8 Apr
6-8 wk
20 May
6 wk after
25 May
7 wk after
Tall verbena
Verbena bonariensis
16 Feb – 16 Mar
8-12 wk
11 May
5 wk after
Cardoon
Cynara cardunculus
Greenhouse
10 Feb – 10 Mar
8-12 wk
5 May
4 wk after
Regal-foxtail
Ptilotus nobilis
Greenhouse
25 Feb – 25 Mar
8-12 wk
20 May
6 wk after
Globe amaranth
Gomphrena globosa
Greenhouse
25 Mar – 8 Apr
6-8 wk
20 May
6 wk after
Corn poppy
Papaver rhoeas
3 Apr
1 wk before
Snapdragon
Antirrhinum majus
6 Jan – 3 Feb
8-12 wk
31 Mar
1 wk before
14 Apr
1 wk after
Flossflower
Ageratum houstonianum
Greenhouse
11 – 25 Mar
8-10 wk
20 May
6 wk after
Sweet pea
Lathyrus odoratus
23 Jan – 13 Feb
5-8 wk
20 Mar
3 wk before
Stock
Matthiola incana
3 – 17 Feb
6-8 wk
31 Mar
1 wk before
22 Apr
2 wk after
Wormwood
Artemisia absinthium
23 Jan – 6 Feb
6-8 wk
20 Mar
3 wk before
22 Apr
2 wk after
Mexican sunflower
Tithonia rotundifolia
Greenhouse
8 – 22 Apr
4-6 wk
20 May
6 wk after
Pansy
Viola × wittrockiana
30 Dec – 13 Jan
8-10 wk
10 Mar
4 wk before
14 Apr
1 wk after
Petunia
Petunia
Fleece
25 Feb – 25 Mar
8-12 wk
20 May
6 wk after
Scabious
Scabiosa atropurpurea
16 – 30 Mar
6-8 wk
11 May
5 wk after
20 May
6 wk after
Zinnia
Zinnia elegans
Fleece
8 – 22 Apr
4-6 wk
20 May
6 wk after
Common morning glory
Ipomoea purpurea
Fleece
30 Apr – 14 May
3-5 wk
4 Jun
8 wk after
Cosmos
Cosmos bipinnatus
Fleece
8 – 22 Apr
4-6 wk
20 May
6 wk after
5 May
4 wk after
Scarlet milkweed
Asclepias curassavica
Greenhouse
12 Mar – 9 Apr
8-12 wk
4 Jun
8 wk after
Bee balm
Monarda didyma
15 Jan – 12 Feb
8-12 wk
9 Apr
Vid frost
5 May
4 wk after
Yarrow
Achillea millefolium
23 Jan – 6 Feb
6-8 wk
20 Mar
3 wk before
22 Apr
2 wk after
Safflower
Carthamus tinctorius
20 Mar
3 wk before
3 Apr
1 wk before
Iceland poppy
Papaver nudicaule
13 – 27 Jan
6-8 wk
10 Mar
4 wk before
27 Mar
2 wk before
Bishop's flower
Ammi majus
13 – 27 Mar
4-6 wk
24 Apr
2 wk after
22 Apr
2 wk after
Drumsticks
Pycnosorus globosus
Greenhouse
25 Feb – 11 Mar
10-12 wk
20 May
6 wk after
Sunflower
Helianthus annuus
Fleece
22 – 29 Apr
3-4 wk
20 May
6 wk after
22 Apr
2 wk after
China aster
Callistephus chinensis
Fleece
25 Mar – 8 Apr
6-8 wk
20 May
6 wk after
5 May
4 wk after
Annual phlox
Phlox drummondii
25 Mar – 8 Apr
6-8 wk
20 May
6 wk after
20 May
6 wk after
Hollyhock
Alcea rosea
23 Jan – 6 Feb
6-8 wk
20 Mar
3 wk before
22 Apr
2 wk after
Delphinium
Delphinium elatum
4 Feb – 4 Mar
8-12 wk
29 Apr
3 wk after
5 May
4 wk after
African marigold
Tagetes erecta
Fleece
25 Mar – 8 Apr
6-8 wk
20 May
6 wk after
Black-eyed Susan
Rudbeckia hirta
16 – 30 Mar
6-8 wk
11 May
5 wk after
20 May
6 wk after
Woodland sage
Salvia nemorosa
7 – 21 Feb
8-10 wk
18 Apr
1 wk after
5 May
4 wk after
Black-eyed susan vine
Thunbergia alata
Greenhouse
11 Mar – 8 Apr
6-10 wk
20 May
6 wk after
California goldenpoppy
Eschscholzia californica
3 Apr
1 wk before
Painted tongue
Salpiglossis sinuata
Fleece
11 – 25 Mar
8-10 wk
20 May
6 wk after
Water forget-me-not
Myosotis scorpioides
23 Jan – 6 Feb
6-8 wk
20 Mar
3 wk before
22 Apr
2 wk after
Current date Soon Date passed