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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 282 days 11 Feb – 20 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)
24 Dec – 7 Jan
22 Jun
5-7 wk
11 Feb
27 Jul
0 wk
5 Feb
17 Jul
1 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
31 Dec – 14 Jan
4 Jul
4-6 wk
11 Feb
1 Aug
0 wk
5 Feb
22 Jul
1 wk before
Chili pepper
Capsicum annuum
Fleece
27 Dec – 24 Jan
15 Apr
8-12 wk
21 Mar
10 Jun
5 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
Season too short
24 Dec – 7 Jan
17 Jun
5-7 wk
11 Feb
22 Jul
0 wk
27 Dec
12 Jul
7 wk before
Garden cucumber
Cucumis sativus
5 – 12 Mar
9 Jun
3-4 wk
2 Apr
30 Jun
7 wk after
Florence Fennel
Foeniculum vulgare
26 Feb – 5 Mar
14 Jun
4-5 wk
2 Apr
12 Jul
7 wk after
24 Mar
2 Jul
6 wk after
Butter bean
Phaseolus lunatus
Fleece
4 – 11 Apr
28 May
3-4 wk
2 May
18 Jun
11 wk after
Onion
Allium cepa (Cepa-gruppen)
19 Nov – 17 Dec
7 Apr
8-12 wk
11 Feb
2 Jun
0 wk
24 Feb
23 May
2 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
5 Feb
22 Jun
1 wk before
5 Feb
12 Jun
1 wk before
Maize
Zea mays
21 – 28 Feb
30 May
3-4 wk
21 Mar
20 Jun
5 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
16 – 23 Jan
11 Jul
3-4 wk
13 Feb
1 Aug
0 wk
24 Feb
22 Jul
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
11 Feb
12 Jul
0 wk
29 Jan
2 Jul
2 wk before
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
Season too short
24 Dec – 7 Jan
17 Jun
5-7 wk
11 Feb
22 Jul
0 wk
27 Dec
12 Jul
7 wk before
Potato
Solanum tuberosum
5 – 19 Jan
14 Jun
4-6 wk
16 Feb
12 Jul
1 wk after
16 Feb
2 Jul
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
24 Dec – 7 Jan
27 Jun
5-7 wk
11 Feb
1 Aug
0 wk
5 Feb
22 Jul
1 wk before
Pumpkin
Cucurbita pepo
5 – 12 Mar
2 Jul
3-4 wk
2 Apr
23 Jul
7 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
16 – 23 Jan
28 Jun
3-4 wk
13 Feb
19 Jul
0 wk
24 Feb
9 Jul
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
Season too short
31 Dec – 14 Jan
29 Jun
4-6 wk
11 Feb
27 Jul
0 wk
Lettuce
Lactuca sativa
14 – 21 Jan
16 Jul
3-4 wk
11 Feb
6 Aug
0 wk
5 Feb
27 Jul
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
Season too short
31 Dec – 14 Jan
29 Jun
4-6 wk
11 Feb
27 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
1 – 15 Jan
8 Jun
2-4 wk
29 Jan
22 Jun
2 wk before
29 Jan
12 Jun
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
5 Feb
22 Jun
1 wk before
5 Feb
12 Jun
1 wk before
Spinach
Spinacia oleracea
14 – 21 Jan
31 Jul
3-4 wk
11 Feb
21 Aug
0 wk
22 Jan
11 Aug
3 wk before
Sweet potato
Ipomoea batatas
15 – 29 Mar
4-6 wk
26 Apr
11 wk after
Garden tomato
Solanum lycopersicum
24 Jan – 7 Feb
9 May
6-8 wk
21 Mar
20 Jun
5 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
21 Feb – 7 Mar
4 Jul
2-4 wk
21 Mar
18 Jul
5 wk after
24 Mar
8 Jul
6 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
Season too short
31 Dec – 14 Jan
29 Jun
4-6 wk
11 Feb
27 Jul
0 wk
Garden pea
Pisum sativum
14 – 21 Jan
1 Jul
3-4 wk
11 Feb
22 Jul
0 wk
5 Feb
12 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
19 Feb – 5 Mar
10 Jun
4-6 wk
2 Apr
8 Jul
7 wk after
Lemon balm
Melissa officinalis
3 – 17 Dec
27 May
8-10 wk
11 Feb
22 Jul
0 wk
9 Mar
12 Jul
4 wk after
Dill
Anethum graveolens
5 Feb
1 Aug
1 wk before
Wild chives
Allium schoenoprasum
Season too short
17 – 31 Dec
10 Jun
6-8 wk
11 Feb
22 Jul
0 wk
8 Jan
12 Jul
5 wk before
Spearmint
Mentha spicata
19 Nov – 17 Dec
27 May
8-12 wk
11 Feb
22 Jul
0 wk
9 Mar
12 Jul
4 wk after
Coriander
Coriandrum sativum
11 Feb
21 Aug
0 wk
24 Feb
11 Aug
2 wk after
Garden sage
Salvia officinalis
Season too short
3 – 17 Dec
12 May
8-10 wk
11 Feb
7 Jul
0 wk
Common thyme
Thymus vulgaris
Season too short
3 – 17 Dec
17 May
8-10 wk
11 Feb
12 Jul
0 wk
Oregano
Origanum vulgare
17 – 31 Dec
31 May
6-8 wk
11 Feb
12 Jul
0 wk
9 Mar
2 Jul
4 wk after
Parsley
Petroselinum crispum
17 – 31 Dec
31 May
6-8 wk
11 Feb
12 Jul
0 wk
5 Feb
2 Jul
1 wk before
Rosemary
Salvia rosmarinus
7 Nov – 5 Dec
13 Apr
10-14 wk
13 Feb
22 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
5 – 12 Mar
17 Jun
3-4 wk
2 Apr
8 Jul
7 wk after
Cornflower
Centaurea cyanus
11 Feb
22 Jul
0 wk
5 Feb
12 Jul
1 wk before
Statice
Limonium sinuatum
10 – 24 Jan
14 May
8-10 wk
21 Mar
9 Jul
5 wk after
Sweet William
Dianthus barbatus
17 – 31 Dec
6-8 wk
11 Feb
0 wk
16 Feb
1 wk after
Snow-on-the-mountain
Euphorbia marginata
24 Jan – 7 Feb
28 May
6-8 wk
21 Mar
9 Jul
5 wk after
26 Apr
29 Jun
11 wk after
Pinnate dahlia
Dahlia × pinnata
17 – 31 Jan
31 May
6-8 wk
14 Mar
12 Jul
4 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
12 Jan – 9 Feb
14 Jun
4-8 wk
9 Mar
12 Jul
4 wk after
9 Mar
2 Jul
4 wk after
Foxglove
Digitalis purpurea
3 – 17 Dec
8-10 wk
11 Feb
0 wk
24 Feb
2 wk after
Busy lizzie
Impatiens walleriana
8 Jan – 5 Feb
30 Jun
8-12 wk
2 Apr
25 Aug
7 wk after
Creeping zinnia
Sanvitalia procumbens
24 Jan – 7 Feb
7 Jun
6-8 wk
21 Mar
19 Jul
5 wk after
Hyacinth bean
Dolichos lablab
11 – 25 Mar
23 Apr
4-6 wk
22 Apr
21 May
10 wk after
Chinese lantern
Physalis alkekengi
5 – 19 Dec
27 Apr
8-10 wk
13 Feb
22 Jun
0 wk
Love in a mist
Nigella damascena
11 Feb
7 Jul
0 wk
5 Feb
27 Jun
1 wk before
Strawflower
Xerochrysum bracteatum
24 Jan – 7 Feb
18 May
6-8 wk
21 Mar
29 Jun
5 wk after
26 Apr
19 Jun
11 wk after
Purple-top vervain
Verbena bonariensis
21 Nov – 19 Dec
27 Apr
8-12 wk
13 Feb
22 Jun
0 wk
Cardoon
Cynara cardunculus
27 Dec – 24 Jan
28 Mar
8-12 wk
21 Mar
23 May
5 wk after
Regal-foxtail
Ptilotus nobilis
8 Jan – 5 Feb
3 May
8-12 wk
2 Apr
28 Jun
7 wk after
Globe amaranth
Gomphrena globosa
5 – 19 Feb
17 May
6-8 wk
2 Apr
28 Jun
7 wk after
Corn poppy
Papaver rhoeas
11 Feb
22 Jul
0 wk
5 Feb
12 Jul
1 wk before
Snapdragon
Antirrhinum majus
19 Nov – 17 Dec
17 May
8-12 wk
11 Feb
12 Jul
0 wk
16 Feb
2 Jul
1 wk after
Flossflower
Ageratum houstonianum
22 Jan – 5 Feb
24 May
8-10 wk
2 Apr
19 Jul
7 wk after
Sweet pea
Lathyrus odoratus
17 Dec – 7 Jan
7 Jun
5-8 wk
11 Feb
12 Jul
0 wk
Stock
Matthiola incana
17 – 31 Dec
10 Jun
6-8 wk
11 Feb
22 Jul
0 wk
24 Feb
12 Jul
2 wk after
Wormwood
Artemisia absinthium
Season too short
17 – 31 Dec
11 May
6-8 wk
11 Feb
22 Jun
0 wk
29 Jan
12 Jun
2 wk before
Mexican sunflower
Tithonia rotundifolia
19 Feb – 5 Mar
26 May
4-6 wk
2 Apr
23 Jun
7 wk after
Garden pansy
Viola × wittrockiana
Season too short
3 – 17 Dec
27 May
8-10 wk
11 Feb
22 Jul
0 wk
22 Jan
12 Jul
3 wk before
Petunia
Petunia
27 Dec – 24 Jan
14 May
8-12 wk
21 Mar
9 Jul
5 wk after
Sweet Scabious
Scabiosa atropurpurea
19 Dec – 2 Jan
11 May
6-8 wk
13 Feb
22 Jun
0 wk
24 Mar
12 Jun
6 wk after
Common zinnia
Zinnia elegans
7 – 21 Feb
12 Jun
4-6 wk
21 Mar
10 Jul
5 wk after
Common morning glory
Ipomoea purpurea
26 Feb – 12 Mar
17 Jun
3-5 wk
2 Apr
8 Jul
7 wk after
Garden cosmos
Cosmos bipinnatus
7 – 21 Feb
14 Jun
4-6 wk
21 Mar
12 Jul
5 wk after
24 Mar
2 Jul
6 wk after
Scarlet milkweed
Asclepias curassavica
28 Jan – 25 Feb
2 Jun
8-12 wk
22 Apr
28 Jul
10 wk after
Bee balm
Monarda didyma
19 Nov – 17 Dec
27 Apr
8-12 wk
11 Feb
22 Jun
0 wk
9 Mar
12 Jun
4 wk after
Yarrow
Achillea millefolium
Season too short
17 – 31 Dec
11 Apr
6-8 wk
11 Feb
23 May
0 wk
29 Jan
13 May
2 wk before
Safflower
Carthamus tinctorius
11 Feb
22 Jun
0 wk
5 Feb
12 Jun
1 wk before
Iceland poppy
Papaver nudicaule
Season too short
17 – 31 Dec
31 May
6-8 wk
11 Feb
12 Jul
0 wk
27 Dec
2 Jul
7 wk before
Bishop's flower
Ammi majus
31 Dec – 14 Jan
14 Jun
4-6 wk
11 Feb
12 Jul
0 wk
24 Feb
2 Jul
2 wk after
Drumsticks
Pycnosorus globosus
8 – 22 Jan
1 Apr
10-12 wk
2 Apr
10 Jun
7 wk after
Sunflower
Helianthus annuus
21 – 28 Feb
21 Jun
3-4 wk
21 Mar
12 Jul
5 wk after
9 Mar
2 Jul
4 wk after
China aster
Callistephus chinensis
24 Jan – 7 Feb
10 Jun
6-8 wk
21 Mar
22 Jul
5 wk after
24 Mar
12 Jul
6 wk after
Annual phlox
Phlox drummondii
10 – 24 Jan
7 Jun
6-8 wk
7 Mar
19 Jul
3 wk after
24 Mar
9 Jul
6 wk after
Hollyhock
Alcea rosea
17 – 31 Dec
6-8 wk
11 Feb
0 wk
24 Feb
2 wk after
Alpine delphinium
Delphinium elatum
19 Nov – 17 Dec
27 Apr
8-12 wk
11 Feb
22 Jun
0 wk
9 Mar
12 Jun
4 wk after
African marigold
Tagetes erecta
24 Jan – 7 Feb
7 Jun
6-8 wk
21 Mar
19 Jul
5 wk after
Black-eyed Susan
Rudbeckia hirta
19 Dec – 2 Jan
31 May
6-8 wk
13 Feb
12 Jul
0 wk
24 Mar
2 Jul
6 wk after
Wood sage
Salvia nemorosa
3 – 17 Dec
17 Apr
8-10 wk
11 Feb
12 Jun
0 wk
9 Mar
2 Jun
4 wk after
Black-eyed susan vine
Thunbergia alata
22 Jan – 19 Feb
27 May
6-10 wk
2 Apr
8 Jul
7 wk after
California goldenpoppy
Eschscholzia californica
11 Feb
22 Jul
0 wk
5 Feb
12 Jul
1 wk before
Painted tongue
Salpiglossis sinuata
10 – 24 Jan
17 May
8-10 wk
21 Mar
12 Jul
5 wk after
Water forget-me-not
Myosotis scorpioides
Season too short
17 – 31 Dec
11 May
6-8 wk
11 Feb
22 Jun
0 wk
29 Jan
12 Jun
2 wk before