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Rel. frost
Last spring frost (0°C) 4 Feb Frost 9 of 10 years · 20 years of data
Frost-free season 283 days 4 Feb – 14 Nov
Probability that frost is over

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

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Vegetables

Plant Sow indoors Transplant Direct sow
Earliest Latest Growing time Earliest Latest Rel. frost Earliest Latest Rel. frost
Cauliflower
Brassica oleracea (Botrytis-gruppen)
Season too short
17 – 31 Dec
13 Jun
5-7 wk
4 Feb
18 Jul
0 wk
26 Jan
8 Jul
1 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
Season too short
24 Dec – 7 Jan
25 Jun
4-6 wk
4 Feb
23 Jul
0 wk
26 Jan
13 Jul
1 wk before
Chili pepper
Capsicum annuum
Season too short
6 Dec – 3 Jan
3 Feb
8-12 wk
28 Feb
31 Mar
3 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
Season too short
17 – 31 Dec
8 Jun
5-7 wk
4 Feb
13 Jul
0 wk
19 Jan
3 Jul
2 wk before
Garden cucumber
Cucumis sativus
Greenhouse
31 Jan – 7 Feb
20 Jun
3-4 wk
28 Feb
11 Jul
3 wk after
Florence Fennel
Foeniculum vulgare
19 – 26 Feb
5 Jun
4-5 wk
26 Mar
3 Jul
7 wk after
19 Mar
23 Jun
6 wk after
Butter bean
Phaseolus lunatus
Season too short
8 – 15 Mar
21 May
3-4 wk
5 Apr
11 Jun
9 wk after
Onion
Allium cepa (Cepa-gruppen)
Season too short
12 Nov – 10 Dec
29 Mar
8-12 wk
4 Feb
24 May
0 wk
4 Feb
14 May
0 wk
Onion (sets)
Allium cepa (Cepa-gruppen)
Season too short
26 Jan
13 Jun
1 wk before
26 Jan
3 Jun
1 wk before
Maize
Zea mays
Fleece
31 Jan – 7 Feb
20 Mar
3-4 wk
28 Feb
10 Apr
3 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
9 – 16 Jan
2 Jul
3-4 wk
6 Feb
23 Jul
0 wk
17 Feb
13 Jul
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
4 Feb
3 Jul
0 wk
4 Feb
23 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
Season too short
17 – 31 Dec
8 Jun
5-7 wk
4 Feb
13 Jul
0 wk
19 Jan
3 Jul
2 wk before
Potato
Solanum tuberosum
Season too short
21 Dec – 4 Jan
5 Jun
4-6 wk
1 Feb
3 Jul
0 wk
1 Feb
23 Jun
0 wk
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
Season too short
17 – 31 Dec
18 Jun
5-7 wk
4 Feb
23 Jul
0 wk
26 Jan
13 Jul
1 wk before
Pumpkin
Cucurbita pepo
Fleece
14 – 21 Feb
25 Jun
3-4 wk
14 Mar
16 Jul
5 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
Season too short
7 – 14 Jan
2 Jul
3-4 wk
4 Feb
23 Jul
0 wk
4 Feb
13 Jul
0 wk
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
Season too short
24 Dec – 7 Jan
20 Jun
4-6 wk
4 Feb
18 Jul
0 wk
Lettuce
Lactuca sativa
Season too short
7 – 14 Jan
7 Jul
3-4 wk
4 Feb
28 Jul
0 wk
26 Jan
18 Jul
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
Season too short
24 Dec – 7 Jan
20 Jun
4-6 wk
4 Feb
18 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
Season too short
22 Dec – 5 Jan
30 May
2-4 wk
19 Jan
13 Jun
2 wk before
19 Jan
3 Jun
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
Season too short
26 Jan
13 Jun
1 wk before
26 Jan
3 Jun
1 wk before
Spinach
Spinacia oleracea
Season too short
7 – 14 Jan
22 Jul
3-4 wk
4 Feb
12 Aug
0 wk
6 Dec
2 Aug
9 wk before
Sweet potato
Ipomoea batatas
1 – 15 Mar
4-6 wk
12 Apr
10 wk after
Garden tomato
Solanum lycopersicum
Fleece
3 – 17 Jan
27 Feb
6-8 wk
28 Feb
10 Apr
3 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Fleece
31 Jan – 14 Feb
27 Jun
2-4 wk
28 Feb
11 Jul
3 wk after
1 Mar
1 Jul
4 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
Season too short
24 Dec – 7 Jan
20 Jun
4-6 wk
4 Feb
18 Jul
0 wk
Garden pea
Pisum sativum
Season too short
7 – 14 Jan
22 Jun
3-4 wk
4 Feb
13 Jul
0 wk
26 Jan
3 Jul
1 wk before

Herbs

Plant Sow indoors Transplant Direct sow
Earliest Latest Growing time Earliest Latest Rel. frost Earliest Latest Rel. frost
Basil
Ocimum basilicum
Fleece
31 Jan – 14 Feb
3 Jun
4-6 wk
14 Mar
1 Jul
5 wk after
Lemon balm
Melissa officinalis
Season too short
26 Nov – 10 Dec
18 May
8-10 wk
4 Feb
13 Jul
0 wk
10 Feb
3 Jul
1 wk after
Dill
Anethum graveolens
5 Feb
23 Jul
0 wk
Wild chives
Allium schoenoprasum
Season too short
10 – 24 Dec
1 Jun
6-8 wk
4 Feb
13 Jul
0 wk
26 Jan
3 Jul
1 wk before
Spearmint
Mentha spicata
Season too short
12 Nov – 10 Dec
18 May
8-12 wk
4 Feb
13 Jul
0 wk
10 Feb
3 Jul
1 wk after
Coriander
Coriandrum sativum
4 Feb
12 Aug
0 wk
17 Feb
2 Aug
2 wk after
Garden sage
Salvia officinalis
Season too short
26 Nov – 10 Dec
3 May
8-10 wk
4 Feb
28 Jun
0 wk
Common thyme
Thymus vulgaris
Season too short
26 Nov – 10 Dec
8 May
8-10 wk
4 Feb
3 Jul
0 wk
Oregano
Origanum vulgare
Season too short
10 – 24 Dec
22 May
6-8 wk
4 Feb
3 Jul
0 wk
10 Feb
23 Jun
1 wk after
Parsley
Petroselinum crispum
Season too short
10 – 24 Dec
22 May
6-8 wk
4 Feb
3 Jul
0 wk
26 Jan
23 Jun
1 wk before
Rosemary
Salvia rosmarinus
31 Oct – 28 Nov
4 Apr
10-14 wk
6 Feb
13 Jun
0 wk

Annual flowers

Plant Sow indoors Transplant Direct sow
Earliest Latest Growing time Earliest Latest Rel. frost Earliest Latest Rel. frost
Morning glory
Ipomoea tricolor
Fleece
14 – 21 Feb
10 Jun
3-4 wk
14 Mar
1 Jul
5 wk after
Cornflower
Centaurea cyanus
Season too short
4 Feb
13 Jul
0 wk
26 Jan
3 Jul
1 wk before
Statice
Limonium sinuatum
3 – 17 Jan
28 Apr
8-10 wk
14 Mar
23 Jun
5 wk after
Sweet William
Dianthus barbatus
10 – 24 Dec
6-8 wk
4 Feb
0 wk
14 Feb
1 wk after
Snow-on-the-mountain
Euphorbia marginata
17 – 31 Jan
12 May
6-8 wk
14 Mar
23 Jun
5 wk after
12 Apr
13 Jun
10 wk after
Pinnate dahlia
Dahlia × pinnata
10 – 24 Jan
18 May
6-8 wk
7 Mar
29 Jun
4 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
Season too short
16 Dec – 13 Jan
5 Jun
4-8 wk
10 Feb
3 Jul
1 wk after
10 Feb
23 Jun
1 wk after
Foxglove
Digitalis purpurea
26 Nov – 10 Dec
8-10 wk
4 Feb
0 wk
17 Feb
2 wk after
Busy lizzie
Impatiens walleriana
1 – 29 Jan
21 Jun
8-12 wk
26 Mar
16 Aug
7 wk after
Creeping zinnia
Sanvitalia procumbens
17 – 31 Jan
22 May
6-8 wk
14 Mar
3 Jul
5 wk after
Hyacinth bean
Dolichos lablab
Greenhouse
31 Jan – 14 Feb
4 May
4-6 wk
14 Mar
1 Jun
5 wk after
Chinese lantern
Physalis alkekengi
28 Nov – 12 Dec
18 Apr
8-10 wk
6 Feb
13 Jun
0 wk
Love in a mist
Nigella damascena
4 Feb
28 Jun
0 wk
5 Feb
18 Jun
0 wk
Strawflower
Xerochrysum bracteatum
17 – 31 Jan
2 May
6-8 wk
14 Mar
13 Jun
5 wk after
12 Apr
3 Jun
10 wk after
Purple-top vervain
Verbena bonariensis
14 Nov – 12 Dec
18 Apr
8-12 wk
6 Feb
13 Jun
0 wk
Cardoon
Cynara cardunculus
20 Dec – 17 Jan
19 Mar
8-12 wk
14 Mar
14 May
5 wk after
Regal-foxtail
Ptilotus nobilis
Fleece
20 Dec – 17 Jan
26 Apr
8-12 wk
14 Mar
21 Jun
5 wk after
Globe amaranth
Gomphrena globosa
Fleece
17 – 31 Jan
10 May
6-8 wk
14 Mar
21 Jun
5 wk after
Corn poppy
Papaver rhoeas
4 Feb
13 Jul
0 wk
5 Feb
3 Jul
0 wk
Snapdragon
Antirrhinum majus
Season too short
12 Nov – 10 Dec
8 May
8-12 wk
4 Feb
3 Jul
0 wk
1 Feb
23 Jun
0 wk
Flossflower
Ageratum houstonianum
15 – 29 Jan
8 May
8-10 wk
26 Mar
3 Jul
7 wk after
Sweet pea
Lathyrus odoratus
Season too short
10 – 31 Dec
29 May
5-8 wk
4 Feb
3 Jul
0 wk
Stock
Matthiola incana
Season too short
10 – 24 Dec
1 Jun
6-8 wk
4 Feb
13 Jul
0 wk
4 Feb
3 Jul
0 wk
Wormwood
Artemisia absinthium
Season too short
10 – 24 Dec
2 May
6-8 wk
4 Feb
13 Jun
0 wk
4 Feb
3 Jun
0 wk
Mexican sunflower
Tithonia rotundifolia
Fleece
31 Jan – 14 Feb
19 May
4-6 wk
14 Mar
16 Jun
5 wk after
Garden pansy
Viola × wittrockiana
Season too short
26 Nov – 10 Dec
18 May
8-10 wk
4 Feb
13 Jul
0 wk
1 Feb
3 Jul
0 wk
Petunia
Petunia
20 Dec – 17 Jan
28 Apr
8-12 wk
14 Mar
23 Jun
5 wk after
Sweet Scabious
Scabiosa atropurpurea
12 – 26 Dec
2 May
6-8 wk
6 Feb
13 Jun
0 wk
19 Mar
3 Jun
6 wk after
Common zinnia
Zinnia elegans
31 Jan – 14 Feb
3 Jun
4-6 wk
14 Mar
1 Jul
5 wk after
Common morning glory
Ipomoea purpurea
Fleece
7 – 21 Feb
10 Jun
3-5 wk
14 Mar
1 Jul
5 wk after
Garden cosmos
Cosmos bipinnatus
31 Jan – 14 Feb
1 Jun
4-6 wk
14 Mar
29 Jun
5 wk after
19 Mar
19 Jun
6 wk after
Scarlet milkweed
Asclepias curassavica
Fleece
1 – 29 Jan
26 May
8-12 wk
26 Mar
21 Jul
7 wk after
Bee balm
Monarda didyma
Season too short
12 Nov – 10 Dec
18 Apr
8-12 wk
4 Feb
13 Jun
0 wk
10 Feb
3 Jun
1 wk after
Yarrow
Achillea millefolium
Season too short
10 – 24 Dec
2 Apr
6-8 wk
4 Feb
14 May
0 wk
4 Feb
4 May
0 wk
Safflower
Carthamus tinctorius
Season too short
4 Feb
13 Jun
0 wk
26 Jan
3 Jun
1 wk before
Iceland poppy
Papaver nudicaule
Season too short
10 – 24 Dec
22 May
6-8 wk
4 Feb
3 Jul
0 wk
19 Jan
23 Jun
2 wk before
Bishop's flower
Ammi majus
Season too short
24 Dec – 7 Jan
5 Jun
4-6 wk
4 Feb
3 Jul
0 wk
4 Feb
23 Jun
0 wk
Drumsticks
Pycnosorus globosus
1 – 15 Jan
23 Mar
10-12 wk
26 Mar
1 Jun
7 wk after
Sunflower
Helianthus annuus
14 – 21 Feb
12 Jun
3-4 wk
14 Mar
3 Jul
5 wk after
1 Mar
23 Jun
4 wk after
China aster
Callistephus chinensis
17 – 31 Jan
1 Jun
6-8 wk
14 Mar
13 Jul
5 wk after
19 Mar
3 Jul
6 wk after
Annual phlox
Phlox drummondii
3 – 17 Jan
22 May
6-8 wk
28 Feb
3 Jul
3 wk after
19 Mar
23 Jun
6 wk after
Hollyhock
Alcea rosea
10 – 24 Dec
6-8 wk
4 Feb
0 wk
17 Feb
2 wk after
Alpine delphinium
Delphinium elatum
Season too short
12 Nov – 10 Dec
18 Apr
8-12 wk
4 Feb
13 Jun
0 wk
10 Feb
3 Jun
1 wk after
African marigold
Tagetes erecta
17 – 31 Jan
22 May
6-8 wk
14 Mar
3 Jul
5 wk after
Black-eyed Susan
Rudbeckia hirta
12 – 26 Dec
22 May
6-8 wk
6 Feb
3 Jul
0 wk
19 Mar
23 Jun
6 wk after
Wood sage
Salvia nemorosa
Season too short
26 Nov – 10 Dec
8 Apr
8-10 wk
4 Feb
3 Jun
0 wk
10 Feb
24 May
1 wk after
Black-eyed susan vine
Thunbergia alata
Fleece
3 – 31 Jan
20 May
6-10 wk
14 Mar
1 Jul
5 wk after
California goldenpoppy
Eschscholzia californica
4 Feb
13 Jul
0 wk
5 Feb
3 Jul
0 wk
Painted tongue
Salpiglossis sinuata
3 – 17 Jan
8 May
8-10 wk
14 Mar
3 Jul
5 wk after
Water forget-me-not
Myosotis scorpioides
Season too short
10 – 24 Dec
2 May
6-8 wk
4 Feb
13 Jun
0 wk
4 Feb
3 Jun
0 wk