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Rel. frost
Last spring frost (0°C) 11 Feb Frost 9 of 10 years · 20 years of data
Frost-free season 266 days 11 Feb – 4 Nov
Probability that frost is over

10% = Half of years are frost-free by this date. More about frost & season →

Custom date

Vegetables

Plant Sow indoors Transplant Direct sow
Date Growing timeGrow. time Date Rel. frost Date Rel. frost
Cauliflower
Brassica oleracea (Botrytis-gruppen)
23 Jan – 6 Feb
5-7 wk
13 Mar
5 wk after
7 Feb
1 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
17 – 31 Jan
4-6 wk
28 Feb
3 wk after
7 Feb
1 wk before
Chili pepper
Capsicum annuum
Fleece
14 Jan – 11 Feb
8-12 wk
8 Apr
8 wk after
Kale
Brassica oleracea (Curly Kale-gruppen)
30 Nov – 14 Dec
5-7 wk
18 Jan
4 wk before
3 Feb
2 wk before
Cucumber
Cucumis sativus
Fleece
11 – 18 Mar
3-4 wk
8 Apr
8 wk after
Florence Fennel
Foeniculum vulgare
Fleece
4 – 11 Mar
4-5 wk
8 Apr
8 wk after
9 Mar
4 wk after
Butter bean
Phaseolus lunatus
Season too short
24 Feb – 3 Mar
3-4 wk
24 Mar
6 wk after
Onion
Allium cepa (Cepa-gruppen)
19 Nov – 17 Dec
8-12 wk
11 Feb
Vid frost
24 Feb
2 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
Season too short
29 Jan
2 wk before
Sweetcorn
Zea mays
Season too short
16 – 23 Feb
3-4 wk
16 Mar
5 wk after
Chard
Beta vulgaris (Flavescens-gruppen)
13 – 20 Feb
3-4 wk
13 Mar
5 wk after
24 Feb
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
3 Feb
2 wk before
Cavolo nero
Brassica oleracea (Palm Kale-gruppen)
30 Nov – 14 Dec
5-7 wk
18 Jan
4 wk before
3 Feb
2 wk before
Potato
Solanum tuberosum
Season too short
11 – 25 Dec
4-6 wk
22 Jan
3 wk before
22 Jan
3 wk before
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
30 Nov – 14 Dec
5-7 wk
18 Jan
4 wk before
7 Feb
1 wk before
Pumpkin
Cucurbita pepo
11 – 18 Mar
3-4 wk
8 Apr
10 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
13 – 20 Feb
3-4 wk
13 Mar
5 wk after
24 Feb
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
17 – 31 Jan
4-6 wk
28 Feb
3 wk after
Lettuce
Lactuca sativa
7 – 14 Jan
3-4 wk
4 Feb
1 wk before
7 Feb
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
24 Dec – 7 Jan
4-6 wk
4 Feb
1 wk before
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
Season too short
29 Nov – 13 Dec
2-4 wk
27 Dec
7 wk before
27 Dec
7 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
Season too short
8 Jan
5 wk before
Spinach
Spinacia oleracea
30 Dec – 6 Jan
3-4 wk
27 Jan
3 wk before
29 Jan
3 wk before
Sweet potato
Ipomoea batatas
1 – 15 Mar
4-6 wk
12 Apr
11 wk after
Tomato
Solanum lycopersicum
3 – 17 Feb
6-8 wk
31 Mar
8 wk after
Tomatillo
Physalis ixocarpa
French bean
Phaseolus vulgaris
3 – 17 Mar
2-4 wk
31 Mar
8 wk after
24 Mar
6 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
17 – 31 Jan
4-6 wk
28 Feb
3 wk after
Pea
Pisum sativum
30 Dec – 6 Jan
3-4 wk
27 Jan
3 wk before
7 Feb
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
Season too short
2 – 16 Feb
4-6 wk
16 Mar
5 wk after
Lemon balm
Melissa officinalis
3 – 17 Dec
8-10 wk
11 Feb
Vid frost
8 Mar
4 wk after
Dill
Anethum graveolens
7 Feb
1 wk before
Chives
Allium schoenoprasum
23 Nov – 7 Dec
6-8 wk
18 Jan
4 wk before
7 Feb
1 wk before
Spearmint
Mentha spicata
4 Nov – 2 Dec
8-12 wk
27 Jan
3 wk before
8 Mar
4 wk after
Coriander
Coriandrum sativum
24 Feb
2 wk after
Sage
Salvia officinalis
2 – 16 Jan
8-10 wk
13 Mar
5 wk after
Thyme
Thymus vulgaris
20 Dec – 3 Jan
8-10 wk
28 Feb
3 wk after
Oregano
Origanum vulgare
23 Dec – 6 Jan
6-8 wk
17 Feb
1 wk after
8 Mar
4 wk after
Parsley
Petroselinum crispum
2 – 16 Dec
6-8 wk
27 Jan
3 wk before
7 Feb
1 wk before
Rosemary
Salvia rosmarinus
5 Dec – 2 Jan
10-14 wk
13 Mar
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
Greenhouse
11 – 18 Mar
3-4 wk
8 Apr
8 wk after
Cornflower
Centaurea cyanus
27 Jan
3 wk before
7 Feb
1 wk before
Statice
Limonium sinuatum
20 Jan – 3 Feb
8-10 wk
31 Mar
8 wk after
Sweet William
Dianthus barbatus
2 – 16 Dec
6-8 wk
27 Jan
3 wk before
19 Feb
1 wk after
Snow-on-the-mountain
Euphorbia marginata
3 – 17 Feb
6-8 wk
31 Mar
8 wk after
23 Apr
11 wk after
Dahlia
Dahlia × pinnata
29 Jan – 12 Feb
6-8 wk
26 Mar
7 wk after
Dahlia (tubers)
Dahlia × pinnata
Season too short
16 Dec – 13 Jan
4-8 wk
10 Feb
10 Feb
Foxglove
Digitalis purpurea
18 Nov – 2 Dec
8-10 wk
27 Jan
3 wk before
24 Feb
2 wk after
Busy lizzie
Impatiens walleriana
14 Jan – 11 Feb
8-12 wk
8 Apr
10 wk after
Creeping zinnia
Sanvitalia procumbens
3 – 17 Feb
6-8 wk
31 Mar
8 wk after
Hyacinth bean
Dolichos lablab
Greenhouse
25 Feb – 11 Mar
4-6 wk
8 Apr
8 wk after
Chinese lantern
Physalis alkekengi
2 – 16 Jan
8-10 wk
13 Mar
5 wk after
Love in a mist
Nigella damascena
7 Feb
1 wk before
Strawflower
Xerochrysum bracteatum
3 – 17 Feb
6-8 wk
31 Mar
8 wk after
23 Apr
11 wk after
Tall verbena
Verbena bonariensis
19 Dec – 16 Jan
8-12 wk
13 Mar
5 wk after
Cardoon
Cynara cardunculus
Fleece
30 Dec – 27 Jan
8-12 wk
24 Mar
6 wk after
Regal-foxtail
Ptilotus nobilis
Fleece
14 Jan – 11 Feb
8-12 wk
8 Apr
8 wk after
Globe amaranth
Gomphrena globosa
Fleece
11 – 25 Feb
6-8 wk
8 Apr
8 wk after
Corn poppy
Papaver rhoeas
7 Feb
1 wk before
Snapdragon
Antirrhinum majus
12 Nov – 10 Dec
8-12 wk
4 Feb
1 wk before
19 Feb
1 wk after
Flossflower
Ageratum houstonianum
Fleece
28 Jan – 11 Feb
8-10 wk
8 Apr
8 wk after
Sweet pea
Lathyrus odoratus
2 – 23 Dec
5-8 wk
27 Jan
3 wk before
Stock
Matthiola incana
10 – 24 Dec
6-8 wk
4 Feb
1 wk before
24 Feb
2 wk after
Wormwood
Artemisia absinthium
2 – 16 Dec
6-8 wk
27 Jan
3 wk before
24 Feb
2 wk after
Mexican sunflower
Tithonia rotundifolia
Fleece
25 Feb – 11 Mar
4-6 wk
8 Apr
8 wk after
Pansy
Viola × wittrockiana
9 – 23 Nov
8-10 wk
18 Jan
4 wk before
19 Feb
1 wk after
Petunia
Petunia
6 Jan – 3 Feb
8-12 wk
31 Mar
8 wk after
Scabious
Scabiosa atropurpurea
16 – 30 Jan
6-8 wk
13 Mar
5 wk after
24 Mar
6 wk after
Zinnia
Zinnia elegans
17 Feb – 3 Mar
4-6 wk
31 Mar
8 wk after
Common morning glory
Ipomoea purpurea
Fleece
4 – 18 Mar
3-5 wk
8 Apr
8 wk after
Cosmos
Cosmos bipinnatus
17 Feb – 3 Mar
4-6 wk
31 Mar
8 wk after
24 Mar
6 wk after
Scarlet milkweed
Asclepias curassavica
Fleece
25 Jan – 22 Feb
8-12 wk
19 Apr
10 wk after
Bee balm
Monarda didyma
19 Nov – 17 Dec
8-12 wk
11 Feb
Vid frost
8 Mar
4 wk after
Yarrow
Achillea millefolium
2 – 16 Dec
6-8 wk
27 Jan
3 wk before
24 Feb
2 wk after
Safflower
Carthamus tinctorius
27 Jan
3 wk before
7 Feb
1 wk before
Iceland poppy
Papaver nudicaule
23 Nov – 7 Dec
6-8 wk
18 Jan
4 wk before
3 Feb
2 wk before
Bishop's flower
Ammi majus
11 – 25 Jan
4-6 wk
22 Feb
2 wk after
24 Feb
2 wk after
Drumsticks
Pycnosorus globosus
Fleece
14 – 28 Jan
10-12 wk
8 Apr
8 wk after
Sunflower
Helianthus annuus
3 – 10 Mar
3-4 wk
31 Mar
8 wk after
8 Mar
4 wk after
China aster
Callistephus chinensis
3 – 17 Feb
6-8 wk
31 Mar
8 wk after
24 Mar
6 wk after
Annual phlox
Phlox drummondii
22 Jan – 5 Feb
6-8 wk
19 Mar
6 wk after
24 Mar
6 wk after
Hollyhock
Alcea rosea
2 – 16 Dec
6-8 wk
27 Jan
3 wk before
24 Feb
2 wk after
Delphinium
Delphinium elatum
6 Dec – 3 Jan
8-12 wk
28 Feb
3 wk after
8 Mar
4 wk after
African marigold
Tagetes erecta
3 – 17 Feb
6-8 wk
31 Mar
8 wk after
Black-eyed Susan
Rudbeckia hirta
16 – 30 Jan
6-8 wk
13 Mar
5 wk after
24 Mar
6 wk after
Woodland sage
Salvia nemorosa
9 – 23 Dec
8-10 wk
17 Feb
1 wk after
8 Mar
4 wk after
Black-eyed susan vine
Thunbergia alata
Fleece
28 Jan – 25 Feb
6-10 wk
8 Apr
8 wk after
California goldenpoppy
Eschscholzia californica
7 Feb
1 wk before
Painted tongue
Salpiglossis sinuata
20 Jan – 3 Feb
8-10 wk
31 Mar
8 wk after
Water forget-me-not
Myosotis scorpioides
2 – 16 Dec
6-8 wk
27 Jan
3 wk before
24 Feb
2 wk after
Current date Soon Date passed