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Rel. frost
Last spring frost (0°C) 16 Feb Frost 9 of 10 years · 20 years of data
Frost-free season 276 days 16 Feb – 19 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
Earliest Latest Growing time Earliest Latest Rel. frost Earliest Latest Rel. frost
Cauliflower
Brassica oleracea (Botrytis-gruppen)
29 Dec – 12 Jan
21 Jun
5-7 wk
16 Feb
26 Jul
0 wk
10 Feb
16 Jul
1 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
5 – 19 Jan
3 Jul
4-6 wk
16 Feb
31 Jul
0 wk
10 Feb
21 Jul
1 wk before
Chili pepper
Capsicum annuum
Fleece
1 – 29 Jan
14 Apr
8-12 wk
26 Mar
9 Jun
5 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
29 Dec – 12 Jan
16 Jun
5-7 wk
16 Feb
21 Jul
0 wk
3 Feb
11 Jul
2 wk before
Garden cucumber
Cucumis sativus
10 – 17 Mar
8 Jun
3-4 wk
7 Apr
29 Jun
7 wk after
Florence Fennel
Foeniculum vulgare
3 – 10 Mar
13 Jun
4-5 wk
7 Apr
11 Jul
7 wk after
29 Mar
1 Jul
6 wk after
Butter bean
Phaseolus lunatus
Fleece
9 – 16 Apr
24 May
3-4 wk
7 May
14 Jun
11 wk after
Onion
Allium cepa (Cepa-gruppen)
24 Nov – 22 Dec
6 Apr
8-12 wk
16 Feb
1 Jun
0 wk
1 Mar
22 May
2 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
10 Feb
21 Jun
1 wk before
10 Feb
11 Jun
1 wk before
Maize
Zea mays
26 Feb – 5 Mar
29 May
3-4 wk
26 Mar
19 Jun
5 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
21 – 28 Jan
10 Jul
3-4 wk
18 Feb
31 Jul
0 wk
1 Mar
21 Jul
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
16 Feb
11 Jul
0 wk
3 Feb
1 Jul
2 wk before
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
29 Dec – 12 Jan
16 Jun
5-7 wk
16 Feb
21 Jul
0 wk
3 Feb
11 Jul
2 wk before
Potato
Solanum tuberosum
10 – 24 Jan
13 Jun
4-6 wk
21 Feb
11 Jul
1 wk after
21 Feb
1 Jul
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
29 Dec – 12 Jan
26 Jun
5-7 wk
16 Feb
31 Jul
0 wk
10 Feb
21 Jul
1 wk before
Pumpkin
Cucurbita pepo
10 – 17 Mar
28 Jun
3-4 wk
7 Apr
19 Jul
7 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
21 – 28 Jan
30 Jun
3-4 wk
18 Feb
21 Jul
0 wk
1 Mar
11 Jul
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
5 – 19 Jan
28 Jun
4-6 wk
16 Feb
26 Jul
0 wk
Lettuce
Lactuca sativa
19 – 26 Jan
15 Jul
3-4 wk
16 Feb
5 Aug
0 wk
10 Feb
26 Jul
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
5 – 19 Jan
28 Jun
4-6 wk
16 Feb
26 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
6 – 20 Jan
7 Jun
2-4 wk
3 Feb
21 Jun
2 wk before
3 Feb
11 Jun
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
10 Feb
21 Jun
1 wk before
10 Feb
11 Jun
1 wk before
Spinach
Spinacia oleracea
19 – 26 Jan
30 Jul
3-4 wk
16 Feb
20 Aug
0 wk
27 Jan
10 Aug
3 wk before
Sweet potato
Ipomoea batatas
20 Mar – 3 Apr
4-6 wk
1 May
11 wk after
Garden tomato
Solanum lycopersicum
29 Jan – 12 Feb
8 May
6-8 wk
26 Mar
19 Jun
5 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
26 Feb – 12 Mar
30 Jun
2-4 wk
26 Mar
14 Jul
5 wk after
29 Mar
4 Jul
6 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
5 – 19 Jan
28 Jun
4-6 wk
16 Feb
26 Jul
0 wk
Garden pea
Pisum sativum
19 – 26 Jan
30 Jun
3-4 wk
16 Feb
21 Jul
0 wk
10 Feb
11 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
24 Feb – 10 Mar
6 Jun
4-6 wk
7 Apr
4 Jul
7 wk after
Lemon balm
Melissa officinalis
8 – 22 Dec
26 May
8-10 wk
16 Feb
21 Jul
0 wk
14 Mar
11 Jul
4 wk after
Dill
Anethum graveolens
10 Feb
31 Jul
1 wk before
Wild chives
Allium schoenoprasum
Season too short
22 Dec – 5 Jan
9 Jun
6-8 wk
16 Feb
21 Jul
0 wk
13 Jan
11 Jul
5 wk before
Spearmint
Mentha spicata
24 Nov – 22 Dec
26 May
8-12 wk
16 Feb
21 Jul
0 wk
14 Mar
11 Jul
4 wk after
Coriander
Coriandrum sativum
16 Feb
20 Aug
0 wk
1 Mar
10 Aug
2 wk after
Garden sage
Salvia officinalis
10 – 24 Dec
11 May
8-10 wk
18 Feb
6 Jul
0 wk
Common thyme
Thymus vulgaris
8 – 22 Dec
16 May
8-10 wk
16 Feb
11 Jul
0 wk
Oregano
Origanum vulgare
22 Dec – 5 Jan
30 May
6-8 wk
16 Feb
11 Jul
0 wk
14 Mar
1 Jul
4 wk after
Parsley
Petroselinum crispum
22 Dec – 5 Jan
30 May
6-8 wk
16 Feb
11 Jul
0 wk
10 Feb
1 Jul
1 wk before
Rosemary
Salvia rosmarinus
12 Nov – 10 Dec
12 Apr
10-14 wk
18 Feb
21 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
10 – 17 Mar
13 Jun
3-4 wk
7 Apr
4 Jul
7 wk after
Cornflower
Centaurea cyanus
16 Feb
21 Jul
0 wk
10 Feb
11 Jul
1 wk before
Statice
Limonium sinuatum
15 – 29 Jan
16 May
8-10 wk
26 Mar
11 Jul
5 wk after
Sweet William
Dianthus barbatus
22 Dec – 5 Jan
6-8 wk
16 Feb
0 wk
21 Feb
1 wk after
Snow-on-the-mountain
Euphorbia marginata
29 Jan – 12 Feb
30 May
6-8 wk
26 Mar
11 Jul
5 wk after
1 May
1 Jul
11 wk after
Pinnate dahlia
Dahlia × pinnata
22 Jan – 5 Feb
30 May
6-8 wk
19 Mar
11 Jul
4 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
17 Jan – 14 Feb
13 Jun
4-8 wk
14 Mar
11 Jul
4 wk after
14 Mar
1 Jul
4 wk after
Foxglove
Digitalis purpurea
8 – 22 Dec
8-10 wk
16 Feb
0 wk
1 Mar
2 wk after
Busy lizzie
Impatiens walleriana
13 Jan – 10 Feb
9 Jul
8-12 wk
7 Apr
3 Sep
7 wk after
Creeping zinnia
Sanvitalia procumbens
29 Jan – 12 Feb
9 Jun
6-8 wk
26 Mar
21 Jul
5 wk after
Hyacinth bean
Dolichos lablab
16 – 30 Mar
22 Apr
4-6 wk
27 Apr
20 May
10 wk after
Chinese lantern
Physalis alkekengi
10 – 24 Dec
26 Apr
8-10 wk
18 Feb
21 Jun
0 wk
Love in a mist
Nigella damascena
16 Feb
6 Jul
0 wk
10 Feb
26 Jun
1 wk before
Strawflower
Xerochrysum bracteatum
29 Jan – 12 Feb
20 May
6-8 wk
26 Mar
1 Jul
5 wk after
1 May
21 Jun
11 wk after
Purple-top vervain
Verbena bonariensis
26 Nov – 24 Dec
26 Apr
8-12 wk
18 Feb
21 Jun
0 wk
Cardoon
Cynara cardunculus
1 – 29 Jan
27 Mar
8-12 wk
26 Mar
22 May
5 wk after
Regal-foxtail
Ptilotus nobilis
13 Jan – 10 Feb
29 Apr
8-12 wk
7 Apr
24 Jun
7 wk after
Globe amaranth
Gomphrena globosa
10 – 24 Feb
13 May
6-8 wk
7 Apr
24 Jun
7 wk after
Corn poppy
Papaver rhoeas
16 Feb
21 Jul
0 wk
10 Feb
11 Jul
1 wk before
Snapdragon
Antirrhinum majus
24 Nov – 22 Dec
16 May
8-12 wk
16 Feb
11 Jul
0 wk
21 Feb
1 Jul
1 wk after
Flossflower
Ageratum houstonianum
27 Jan – 10 Feb
26 May
8-10 wk
7 Apr
21 Jul
7 wk after
Sweet pea
Lathyrus odoratus
22 Dec – 12 Jan
6 Jun
5-8 wk
16 Feb
11 Jul
0 wk
Stock
Matthiola incana
22 Dec – 5 Jan
9 Jun
6-8 wk
16 Feb
21 Jul
0 wk
1 Mar
11 Jul
2 wk after
Wormwood
Artemisia absinthium
22 Dec – 5 Jan
10 May
6-8 wk
16 Feb
21 Jun
0 wk
1 Mar
11 Jun
2 wk after
Mexican sunflower
Tithonia rotundifolia
24 Feb – 10 Mar
22 May
4-6 wk
7 Apr
19 Jun
7 wk after
Garden pansy
Viola × wittrockiana
8 – 22 Dec
26 May
8-10 wk
16 Feb
21 Jul
0 wk
21 Feb
11 Jul
1 wk after
Petunia
Petunia
1 – 29 Jan
16 May
8-12 wk
26 Mar
11 Jul
5 wk after
Sweet Scabious
Scabiosa atropurpurea
24 Dec – 7 Jan
10 May
6-8 wk
18 Feb
21 Jun
0 wk
29 Mar
11 Jun
6 wk after
Common zinnia
Zinnia elegans
12 – 26 Feb
21 Jun
4-6 wk
26 Mar
19 Jul
5 wk after
Common morning glory
Ipomoea purpurea
3 – 17 Mar
13 Jun
3-5 wk
7 Apr
4 Jul
7 wk after
Garden cosmos
Cosmos bipinnatus
12 – 26 Feb
13 Jun
4-6 wk
26 Mar
11 Jul
5 wk after
29 Mar
1 Jul
6 wk after
Scarlet milkweed
Asclepias curassavica
2 Feb – 2 Mar
29 May
8-12 wk
27 Apr
24 Jul
10 wk after
Bee balm
Monarda didyma
24 Nov – 22 Dec
26 Apr
8-12 wk
16 Feb
21 Jun
0 wk
14 Mar
11 Jun
4 wk after
Yarrow
Achillea millefolium
22 Dec – 5 Jan
10 Apr
6-8 wk
16 Feb
22 May
0 wk
1 Mar
12 May
2 wk after
Safflower
Carthamus tinctorius
16 Feb
21 Jun
0 wk
10 Feb
11 Jun
1 wk before
Iceland poppy
Papaver nudicaule
Season too short
22 Dec – 5 Jan
30 May
6-8 wk
16 Feb
11 Jul
0 wk
1 Jan
1 Jul
7 wk before
Bishop's flower
Ammi majus
5 – 19 Jan
13 Jun
4-6 wk
16 Feb
11 Jul
0 wk
1 Mar
1 Jul
2 wk after
Drumsticks
Pycnosorus globosus
13 – 27 Jan
10 Apr
10-12 wk
7 Apr
19 Jun
7 wk after
Sunflower
Helianthus annuus
26 Feb – 5 Mar
20 Jun
3-4 wk
26 Mar
11 Jul
5 wk after
14 Mar
1 Jul
4 wk after
China aster
Callistephus chinensis
29 Jan – 12 Feb
9 Jun
6-8 wk
26 Mar
21 Jul
5 wk after
29 Mar
11 Jul
6 wk after
Annual phlox
Phlox drummondii
15 – 29 Jan
9 Jun
6-8 wk
12 Mar
21 Jul
3 wk after
29 Mar
11 Jul
6 wk after
Hollyhock
Alcea rosea
22 Dec – 5 Jan
6-8 wk
16 Feb
0 wk
1 Mar
2 wk after
Alpine delphinium
Delphinium elatum
24 Nov – 22 Dec
26 Apr
8-12 wk
16 Feb
21 Jun
0 wk
14 Mar
11 Jun
4 wk after
African marigold
Tagetes erecta
29 Jan – 12 Feb
9 Jun
6-8 wk
26 Mar
21 Jul
5 wk after
Black-eyed Susan
Rudbeckia hirta
24 Dec – 7 Jan
30 May
6-8 wk
18 Feb
11 Jul
0 wk
29 Mar
1 Jul
6 wk after
Wood sage
Salvia nemorosa
8 – 22 Dec
16 Apr
8-10 wk
16 Feb
11 Jun
0 wk
14 Mar
1 Jun
4 wk after
Black-eyed susan vine
Thunbergia alata
27 Jan – 24 Feb
23 May
6-10 wk
7 Apr
4 Jul
7 wk after
California goldenpoppy
Eschscholzia californica
16 Feb
21 Jul
0 wk
10 Feb
11 Jul
1 wk before
Painted tongue
Salpiglossis sinuata
15 – 29 Jan
16 May
8-10 wk
26 Mar
11 Jul
5 wk after
Water forget-me-not
Myosotis scorpioides
Season too short
22 Dec – 5 Jan
10 May
6-8 wk
16 Feb
21 Jun
0 wk
3 Feb
11 Jun
2 wk before