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Rel. frost
Last spring frost (0°C) 14 Feb Frost 9 of 10 years · 20 years of data
Frost-free season 270 days 14 Feb – 11 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)
27 Dec – 10 Jan
22 Jun
5-7 wk
14 Feb
27 Jul
0 wk
8 Feb
17 Jul
1 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
3 – 17 Jan
4 Jul
4-6 wk
14 Feb
1 Aug
0 wk
8 Feb
22 Jul
1 wk before
Chili pepper
Capsicum annuum
Fleece
30 Dec – 27 Jan
5 Mar
8-12 wk
24 Mar
30 Apr
5 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
27 Dec – 10 Jan
17 Jun
5-7 wk
14 Feb
22 Jul
0 wk
1 Feb
12 Jul
2 wk before
Garden cucumber
Cucumis sativus
8 – 15 Mar
29 Apr
3-4 wk
5 Apr
20 May
7 wk after
Florence Fennel
Foeniculum vulgare
1 – 8 Mar
14 Jun
4-5 wk
5 Apr
12 Jul
7 wk after
27 Mar
2 Jul
6 wk after
Butter bean
Phaseolus lunatus
Fleece
7 – 14 Apr
12 May
3-4 wk
5 May
2 Jun
11 wk after
Onion
Allium cepa (Cepa-gruppen)
22 Nov – 20 Dec
7 Apr
8-12 wk
14 Feb
2 Jun
0 wk
27 Feb
23 May
2 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
8 Feb
22 Jun
1 wk before
8 Feb
12 Jun
1 wk before
Maize
Zea mays
24 Feb – 3 Mar
19 Apr
3-4 wk
24 Mar
10 May
5 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
19 – 26 Jan
11 Jul
3-4 wk
16 Feb
1 Aug
0 wk
27 Feb
22 Jul
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
14 Feb
12 Jul
0 wk
1 Feb
2 Jul
2 wk before
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
27 Dec – 10 Jan
17 Jun
5-7 wk
14 Feb
22 Jul
0 wk
1 Feb
12 Jul
2 wk before
Potato
Solanum tuberosum
8 – 22 Jan
11 Jun
4-6 wk
19 Feb
9 Jul
1 wk after
19 Feb
29 Jun
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
27 Dec – 10 Jan
27 Jun
5-7 wk
14 Feb
1 Aug
0 wk
8 Feb
22 Jul
1 wk before
Pumpkin
Cucurbita pepo
8 – 15 Mar
16 Jun
3-4 wk
5 Apr
7 Jul
7 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
19 – 26 Jan
28 Jun
3-4 wk
16 Feb
19 Jul
0 wk
27 Feb
9 Jul
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
3 – 17 Jan
29 Jun
4-6 wk
14 Feb
27 Jul
0 wk
Lettuce
Lactuca sativa
17 – 24 Jan
16 Jul
3-4 wk
14 Feb
6 Aug
0 wk
8 Feb
27 Jul
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
3 – 17 Jan
29 Jun
4-6 wk
14 Feb
27 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
4 – 18 Jan
8 Jun
2-4 wk
1 Feb
22 Jun
2 wk before
1 Feb
12 Jun
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
8 Feb
22 Jun
1 wk before
8 Feb
12 Jun
1 wk before
Spinach
Spinacia oleracea
17 – 24 Jan
31 Jul
3-4 wk
14 Feb
21 Aug
0 wk
25 Jan
11 Aug
3 wk before
Sweet potato
Ipomoea batatas
18 Mar – 1 Apr
4-6 wk
29 Apr
11 wk after
Garden tomato
Solanum lycopersicum
27 Jan – 10 Feb
29 Mar
6-8 wk
24 Mar
10 May
5 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
24 Feb – 10 Mar
18 Jun
2-4 wk
24 Mar
2 Jul
5 wk after
27 Mar
22 Jun
6 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
3 – 17 Jan
29 Jun
4-6 wk
14 Feb
27 Jul
0 wk
Garden pea
Pisum sativum
17 – 24 Jan
1 Jul
3-4 wk
14 Feb
22 Jul
0 wk
8 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
22 Feb – 8 Mar
25 May
4-6 wk
5 Apr
22 Jun
7 wk after
Lemon balm
Melissa officinalis
6 – 20 Dec
27 May
8-10 wk
14 Feb
22 Jul
0 wk
12 Mar
12 Jul
4 wk after
Dill
Anethum graveolens
8 Feb
1 Aug
1 wk before
Wild chives
Allium schoenoprasum
Season too short
20 Dec – 3 Jan
10 Jun
6-8 wk
14 Feb
22 Jul
0 wk
11 Jan
12 Jul
5 wk before
Spearmint
Mentha spicata
22 Nov – 20 Dec
27 May
8-12 wk
14 Feb
22 Jul
0 wk
12 Mar
12 Jul
4 wk after
Coriander
Coriandrum sativum
14 Feb
21 Aug
0 wk
27 Feb
11 Aug
2 wk after
Garden sage
Salvia officinalis
8 – 22 Dec
12 May
8-10 wk
16 Feb
7 Jul
0 wk
Common thyme
Thymus vulgaris
6 – 20 Dec
17 May
8-10 wk
14 Feb
12 Jul
0 wk
Oregano
Origanum vulgare
20 Dec – 3 Jan
31 May
6-8 wk
14 Feb
12 Jul
0 wk
12 Mar
2 Jul
4 wk after
Parsley
Petroselinum crispum
20 Dec – 3 Jan
31 May
6-8 wk
14 Feb
12 Jul
0 wk
8 Feb
2 Jul
1 wk before
Rosemary
Salvia rosmarinus
10 Nov – 8 Dec
13 Apr
10-14 wk
16 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
8 – 15 Mar
1 Jun
3-4 wk
5 Apr
22 Jun
7 wk after
Cornflower
Centaurea cyanus
14 Feb
22 Jul
0 wk
8 Feb
12 Jul
1 wk before
Statice
Limonium sinuatum
13 – 27 Jan
10 May
8-10 wk
24 Mar
5 Jul
5 wk after
Sweet William
Dianthus barbatus
20 Dec – 3 Jan
6-8 wk
14 Feb
0 wk
19 Feb
1 wk after
Snow-on-the-mountain
Euphorbia marginata
27 Jan – 10 Feb
24 May
6-8 wk
24 Mar
5 Jul
5 wk after
29 Apr
25 Jun
11 wk after
Pinnate dahlia
Dahlia × pinnata
20 Jan – 3 Feb
28 May
6-8 wk
17 Mar
9 Jul
4 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
15 Jan – 12 Feb
11 Jun
4-8 wk
12 Mar
9 Jul
4 wk after
12 Mar
29 Jun
4 wk after
Foxglove
Digitalis purpurea
6 – 20 Dec
8-10 wk
14 Feb
0 wk
27 Feb
2 wk after
Busy lizzie
Impatiens walleriana
11 Jan – 8 Feb
28 Jun
8-12 wk
5 Apr
23 Aug
7 wk after
Creeping zinnia
Sanvitalia procumbens
27 Jan – 10 Feb
3 Jun
6-8 wk
24 Mar
15 Jul
5 wk after
Hyacinth bean
Dolichos lablab
Fleece
22 Feb – 8 Mar
25 Apr
4-6 wk
5 Apr
23 May
7 wk after
Chinese lantern
Physalis alkekengi
8 – 22 Dec
27 Apr
8-10 wk
16 Feb
22 Jun
0 wk
Love in a mist
Nigella damascena
14 Feb
7 Jul
0 wk
8 Feb
27 Jun
1 wk before
Strawflower
Xerochrysum bracteatum
27 Jan – 10 Feb
14 May
6-8 wk
24 Mar
25 Jun
5 wk after
29 Apr
15 Jun
11 wk after
Purple-top vervain
Verbena bonariensis
24 Nov – 22 Dec
27 Apr
8-12 wk
16 Feb
22 Jun
0 wk
Cardoon
Cynara cardunculus
30 Dec – 27 Jan
28 Mar
8-12 wk
24 Mar
23 May
5 wk after
Regal-foxtail
Ptilotus nobilis
11 Jan – 8 Feb
17 Apr
8-12 wk
5 Apr
12 Jun
7 wk after
Globe amaranth
Gomphrena globosa
8 – 22 Feb
1 May
6-8 wk
5 Apr
12 Jun
7 wk after
Corn poppy
Papaver rhoeas
14 Feb
22 Jul
0 wk
8 Feb
12 Jul
1 wk before
Snapdragon
Antirrhinum majus
22 Nov – 20 Dec
17 May
8-12 wk
14 Feb
12 Jul
0 wk
19 Feb
2 Jul
1 wk after
Flossflower
Ageratum houstonianum
25 Jan – 8 Feb
20 May
8-10 wk
5 Apr
15 Jul
7 wk after
Sweet pea
Lathyrus odoratus
20 Dec – 10 Jan
7 Jun
5-8 wk
14 Feb
12 Jul
0 wk
Stock
Matthiola incana
20 Dec – 3 Jan
10 Jun
6-8 wk
14 Feb
22 Jul
0 wk
27 Feb
12 Jul
2 wk after
Wormwood
Artemisia absinthium
20 Dec – 3 Jan
11 May
6-8 wk
14 Feb
22 Jun
0 wk
27 Feb
12 Jun
2 wk after
Mexican sunflower
Tithonia rotundifolia
22 Feb – 8 Mar
10 May
4-6 wk
5 Apr
7 Jun
7 wk after
Garden pansy
Viola × wittrockiana
6 – 20 Dec
27 May
8-10 wk
14 Feb
22 Jul
0 wk
19 Feb
12 Jul
1 wk after
Petunia
Petunia
30 Dec – 27 Jan
10 May
8-12 wk
24 Mar
5 Jul
5 wk after
Sweet Scabious
Scabiosa atropurpurea
22 Dec – 5 Jan
11 May
6-8 wk
16 Feb
22 Jun
0 wk
27 Mar
12 Jun
6 wk after
Common zinnia
Zinnia elegans
10 – 24 Feb
10 Jun
4-6 wk
24 Mar
8 Jul
5 wk after
Common morning glory
Ipomoea purpurea
1 – 15 Mar
1 Jun
3-5 wk
5 Apr
22 Jun
7 wk after
Garden cosmos
Cosmos bipinnatus
10 – 24 Feb
11 Jun
4-6 wk
24 Mar
9 Jul
5 wk after
27 Mar
29 Jun
6 wk after
Scarlet milkweed
Asclepias curassavica
31 Jan – 28 Feb
17 May
8-12 wk
25 Apr
12 Jul
10 wk after
Bee balm
Monarda didyma
22 Nov – 20 Dec
27 Apr
8-12 wk
14 Feb
22 Jun
0 wk
12 Mar
12 Jun
4 wk after
Yarrow
Achillea millefolium
20 Dec – 3 Jan
11 Apr
6-8 wk
14 Feb
23 May
0 wk
27 Feb
13 May
2 wk after
Safflower
Carthamus tinctorius
14 Feb
22 Jun
0 wk
8 Feb
12 Jun
1 wk before
Iceland poppy
Papaver nudicaule
Season too short
20 Dec – 3 Jan
31 May
6-8 wk
14 Feb
12 Jul
0 wk
30 Dec
2 Jul
7 wk before
Bishop's flower
Ammi majus
3 – 17 Jan
14 Jun
4-6 wk
14 Feb
12 Jul
0 wk
27 Feb
2 Jul
2 wk after
Drumsticks
Pycnosorus globosus
11 – 25 Jan
30 Mar
10-12 wk
5 Apr
8 Jun
7 wk after
Sunflower
Helianthus annuus
24 Feb – 3 Mar
21 Jun
3-4 wk
24 Mar
12 Jul
5 wk after
12 Mar
2 Jul
4 wk after
China aster
Callistephus chinensis
27 Jan – 10 Feb
10 Jun
6-8 wk
24 Mar
22 Jul
5 wk after
27 Mar
12 Jul
6 wk after
Annual phlox
Phlox drummondii
13 – 27 Jan
3 Jun
6-8 wk
10 Mar
15 Jul
3 wk after
27 Mar
5 Jul
6 wk after
Hollyhock
Alcea rosea
20 Dec – 3 Jan
6-8 wk
14 Feb
0 wk
27 Feb
2 wk after
Alpine delphinium
Delphinium elatum
22 Nov – 20 Dec
27 Apr
8-12 wk
14 Feb
22 Jun
0 wk
12 Mar
12 Jun
4 wk after
African marigold
Tagetes erecta
27 Jan – 10 Feb
3 Jun
6-8 wk
24 Mar
15 Jul
5 wk after
Black-eyed Susan
Rudbeckia hirta
22 Dec – 5 Jan
31 May
6-8 wk
16 Feb
12 Jul
0 wk
27 Mar
2 Jul
6 wk after
Wood sage
Salvia nemorosa
6 – 20 Dec
17 Apr
8-10 wk
14 Feb
12 Jun
0 wk
12 Mar
2 Jun
4 wk after
Black-eyed susan vine
Thunbergia alata
25 Jan – 22 Feb
11 May
6-10 wk
5 Apr
22 Jun
7 wk after
California goldenpoppy
Eschscholzia californica
14 Feb
22 Jul
0 wk
8 Feb
12 Jul
1 wk before
Painted tongue
Salpiglossis sinuata
13 – 27 Jan
17 May
8-10 wk
24 Mar
12 Jul
5 wk after
Water forget-me-not
Myosotis scorpioides
Season too short
20 Dec – 3 Jan
11 May
6-8 wk
14 Feb
22 Jun
0 wk
1 Feb
12 Jun
2 wk before