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Last 24h: Near frost recorded tonight at 04:00. Inspect for frost damage
Method
Rel. frost
Last spring frost (0°C) 2 Apr Frost 9 of 10 years · 20 years of data
Frost-free season 197 days 2 Apr – 16 Oct
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)
12 – 26 Feb
22 Jun
5-7 wk
2 Apr
27 Jul
0 wk
27 Mar
17 Jul
1 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
19 Feb – 5 Mar
4 Jul
4-6 wk
2 Apr
1 Aug
0 wk
27 Mar
22 Jul
1 wk before
Chili pepper
Capsicum annuum
Greenhouse
26 Jan – 23 Feb
17 Mar
8-12 wk
20 Apr
12 May
3 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
12 – 26 Feb
17 Jun
5-7 wk
2 Apr
22 Jul
0 wk
20 Mar
12 Jul
2 wk before
Garden cucumber
Cucumis sativus
Fleece
1 – 8 Apr
11 May
3-4 wk
29 Apr
1 Jun
4 wk after
Florence Fennel
Foeniculum vulgare
8 – 15 Apr
13 Jun
4-5 wk
13 May
11 Jul
6 wk after
13 May
1 Jul
6 wk after
Butter bean
Phaseolus lunatus
Greenhouse
25 Apr – 2 May
5 May
3-4 wk
23 May
26 May
7 wk after
Onion
Allium cepa (Cepa-gruppen)
8 Jan – 5 Feb
7 Apr
8-12 wk
2 Apr
2 Jun
0 wk
15 Apr
23 May
2 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
27 Mar
22 Jun
1 wk before
27 Mar
12 Jun
1 wk before
Maize
Zea mays
Fleece
23 – 30 Mar
1 May
3-4 wk
20 Apr
22 May
3 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
5 – 12 Mar
11 Jul
3-4 wk
2 Apr
1 Aug
0 wk
15 Apr
22 Jul
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
2 Apr
12 Jul
0 wk
20 Mar
2 Jul
2 wk before
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
12 – 26 Feb
17 Jun
5-7 wk
2 Apr
22 Jul
0 wk
20 Mar
12 Jul
2 wk before
Potato
Solanum tuberosum
24 Feb – 10 Mar
9 Jun
4-6 wk
7 Apr
7 Jul
1 wk after
7 Apr
27 Jun
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
12 – 26 Feb
27 Jun
5-7 wk
2 Apr
1 Aug
0 wk
27 Mar
22 Jul
1 wk before
Pumpkin
Cucurbita pepo
15 – 22 Apr
16 May
3-4 wk
13 May
6 Jun
6 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
5 – 12 Mar
25 Jun
3-4 wk
2 Apr
16 Jul
0 wk
15 Apr
6 Jul
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
19 Feb – 5 Mar
29 Jun
4-6 wk
2 Apr
27 Jul
0 wk
Lettuce
Lactuca sativa
5 – 12 Mar
16 Jul
3-4 wk
2 Apr
6 Aug
0 wk
27 Mar
27 Jul
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
19 Feb – 5 Mar
29 Jun
4-6 wk
2 Apr
27 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
20 Feb – 6 Mar
8 Jun
2-4 wk
20 Mar
22 Jun
2 wk before
20 Mar
12 Jun
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
27 Mar
22 Jun
1 wk before
27 Mar
12 Jun
1 wk before
Spinach
Spinacia oleracea
5 – 12 Mar
31 Jul
3-4 wk
2 Apr
21 Aug
0 wk
13 Mar
11 Aug
3 wk before
Sweet potato
Ipomoea batatas
4 – 18 May
4-6 wk
15 Jun
11 wk after
Garden tomato
Solanum lycopersicum
Fleece
23 Feb – 9 Mar
10 Apr
6-8 wk
20 Apr
22 May
3 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
1 – 15 Apr
18 May
2-4 wk
29 Apr
1 Jun
4 wk after
13 May
22 May
6 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
19 Feb – 5 Mar
29 Jun
4-6 wk
2 Apr
27 Jul
0 wk
Garden pea
Pisum sativum
5 – 12 Mar
1 Jul
3-4 wk
2 Apr
22 Jul
0 wk
27 Mar
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
1 – 15 Apr
24 Apr
4-6 wk
13 May
22 May
6 wk after
Lemon balm
Melissa officinalis
22 Jan – 5 Feb
27 May
8-10 wk
2 Apr
22 Jul
0 wk
28 Apr
12 Jul
4 wk after
Dill
Anethum graveolens
27 Mar
1 Aug
1 wk before
Wild chives
Allium schoenoprasum
5 – 19 Feb
10 Jun
6-8 wk
2 Apr
22 Jul
0 wk
27 Mar
12 Jul
1 wk before
Spearmint
Mentha spicata
8 Jan – 5 Feb
27 May
8-12 wk
2 Apr
22 Jul
0 wk
28 Apr
12 Jul
4 wk after
Coriander
Coriandrum sativum
2 Apr
21 Aug
0 wk
15 Apr
11 Aug
2 wk after
Garden sage
Salvia officinalis
22 Jan – 5 Feb
12 May
8-10 wk
2 Apr
7 Jul
0 wk
Common thyme
Thymus vulgaris
22 Jan – 5 Feb
17 May
8-10 wk
2 Apr
12 Jul
0 wk
Oregano
Origanum vulgare
5 – 19 Feb
31 May
6-8 wk
2 Apr
12 Jul
0 wk
28 Apr
2 Jul
4 wk after
Parsley
Petroselinum crispum
5 – 19 Feb
31 May
6-8 wk
2 Apr
12 Jul
0 wk
27 Mar
2 Jul
1 wk before
Rosemary
Salvia rosmarinus
25 Dec – 22 Jan
13 Apr
10-14 wk
2 Apr
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
15 – 22 Apr
1 May
3-4 wk
13 May
22 May
6 wk after
Cornflower
Centaurea cyanus
2 Apr
22 Jul
0 wk
27 Mar
12 Jul
1 wk before
Statice
Limonium sinuatum
18 Feb – 4 Mar
20 Apr
8-10 wk
29 Apr
15 Jun
4 wk after
Sweet William
Dianthus barbatus
5 – 19 Feb
6-8 wk
2 Apr
0 wk
7 Apr
1 wk after
Snow-on-the-mountain
Euphorbia marginata
4 – 18 Mar
4 May
6-8 wk
29 Apr
15 Jun
4 wk after
15 Jun
11 wk after
Pinnate dahlia
Dahlia × pinnata
27 Feb – 13 Mar
6 May
6-8 wk
24 Apr
17 Jun
3 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
3 – 31 Mar
20 May
4-8 wk
28 Apr
17 Jun
4 wk after
28 Apr
7 Jun
4 wk after
Foxglove
Digitalis purpurea
22 Jan – 5 Feb
8-10 wk
2 Apr
0 wk
15 Apr
2 wk after
Busy lizzie
Impatiens walleriana
18 Feb – 18 Mar
5 Jun
8-12 wk
13 May
31 Jul
6 wk after
Creeping zinnia
Sanvitalia procumbens
4 – 18 Mar
14 May
6-8 wk
29 Apr
25 Jun
4 wk after
Hyacinth bean
Dolichos lablab
Greenhouse
18 Mar – 1 Apr
18 Apr
4-6 wk
29 Apr
16 May
4 wk after
Chinese lantern
Physalis alkekengi
22 Jan – 5 Feb
27 Apr
8-10 wk
2 Apr
22 Jun
0 wk
Love in a mist
Nigella damascena
2 Apr
7 Jul
0 wk
27 Mar
27 Jun
1 wk before
Strawflower
Xerochrysum bracteatum
4 – 18 Mar
24 Apr
6-8 wk
29 Apr
5 Jun
4 wk after
15 Jun
11 wk after
Purple-top vervain
Verbena bonariensis
8 Jan – 5 Feb
27 Apr
8-12 wk
2 Apr
22 Jun
0 wk
Cardoon
Cynara cardunculus
4 Feb – 4 Mar
28 Mar
8-12 wk
29 Apr
23 May
4 wk after
Regal-foxtail
Ptilotus nobilis
Fleece
4 Feb – 4 Mar
10 Apr
8-12 wk
29 Apr
5 Jun
4 wk after
Globe amaranth
Gomphrena globosa
Fleece
4 – 18 Mar
24 Apr
6-8 wk
29 Apr
5 Jun
4 wk after
Corn poppy
Papaver rhoeas
2 Apr
22 Jul
0 wk
27 Mar
12 Jul
1 wk before
Snapdragon
Antirrhinum majus
8 Jan – 5 Feb
17 May
8-12 wk
2 Apr
12 Jul
0 wk
7 Apr
2 Jul
1 wk after
Flossflower
Ageratum houstonianum
4 – 18 Mar
30 Apr
8-10 wk
13 May
25 Jun
6 wk after
Sweet pea
Lathyrus odoratus
5 – 26 Feb
7 Jun
5-8 wk
2 Apr
12 Jul
0 wk
Stock
Matthiola incana
5 – 19 Feb
10 Jun
6-8 wk
2 Apr
22 Jul
0 wk
15 Apr
12 Jul
2 wk after
Wormwood
Artemisia absinthium
5 – 19 Feb
11 May
6-8 wk
2 Apr
22 Jun
0 wk
15 Apr
12 Jun
2 wk after
Mexican sunflower
Tithonia rotundifolia
Fleece
18 Mar – 1 Apr
3 May
4-6 wk
29 Apr
31 May
4 wk after
Garden pansy
Viola × wittrockiana
22 Jan – 5 Feb
27 May
8-10 wk
2 Apr
22 Jul
0 wk
7 Apr
12 Jul
1 wk after
Petunia
Petunia
4 Feb – 4 Mar
20 Apr
8-12 wk
29 Apr
15 Jun
4 wk after
Sweet Scabious
Scabiosa atropurpurea
5 – 19 Feb
11 May
6-8 wk
2 Apr
22 Jun
0 wk
13 May
12 Jun
6 wk after
Common zinnia
Zinnia elegans
18 Mar – 1 Apr
18 May
4-6 wk
29 Apr
15 Jun
4 wk after
Common morning glory
Ipomoea purpurea
8 – 22 Apr
1 May
3-5 wk
13 May
22 May
6 wk after
Garden cosmos
Cosmos bipinnatus
18 Mar – 1 Apr
20 May
4-6 wk
29 Apr
17 Jun
4 wk after
13 May
7 Jun
6 wk after
Scarlet milkweed
Asclepias curassavica
8 Mar – 5 Apr
16 Apr
8-12 wk
31 May
11 Jun
8 wk after
Bee balm
Monarda didyma
8 Jan – 5 Feb
27 Apr
8-12 wk
2 Apr
22 Jun
0 wk
28 Apr
12 Jun
4 wk after
Yarrow
Achillea millefolium
5 – 19 Feb
11 Apr
6-8 wk
2 Apr
23 May
0 wk
15 Apr
13 May
2 wk after
Safflower
Carthamus tinctorius
2 Apr
22 Jun
0 wk
27 Mar
12 Jun
1 wk before
Iceland poppy
Papaver nudicaule
Season too short
5 – 19 Feb
31 May
6-8 wk
2 Apr
12 Jul
0 wk
15 Feb
2 Jul
7 wk before
Bishop's flower
Ammi majus
19 Feb – 5 Mar
14 Jun
4-6 wk
2 Apr
12 Jul
0 wk
15 Apr
2 Jul
2 wk after
Drumsticks
Pycnosorus globosus
Fleece
4 – 18 Feb
19 Mar
10-12 wk
29 Apr
28 May
4 wk after
Sunflower
Helianthus annuus
1 – 8 Apr
21 Jun
3-4 wk
29 Apr
12 Jul
4 wk after
28 Apr
2 Jul
4 wk after
China aster
Callistephus chinensis
4 – 18 Mar
10 Jun
6-8 wk
29 Apr
22 Jul
4 wk after
13 May
12 Jul
6 wk after
Annual phlox
Phlox drummondii
23 Feb – 9 Mar
14 May
6-8 wk
20 Apr
25 Jun
3 wk after
13 May
15 Jun
6 wk after
Hollyhock
Alcea rosea
5 – 19 Feb
6-8 wk
2 Apr
0 wk
15 Apr
2 wk after
Alpine delphinium
Delphinium elatum
8 Jan – 5 Feb
27 Apr
8-12 wk
2 Apr
22 Jun
0 wk
28 Apr
12 Jun
4 wk after
African marigold
Tagetes erecta
4 – 18 Mar
14 May
6-8 wk
29 Apr
25 Jun
4 wk after
Black-eyed Susan
Rudbeckia hirta
5 – 19 Feb
31 May
6-8 wk
2 Apr
12 Jul
0 wk
13 May
2 Jul
6 wk after
Wood sage
Salvia nemorosa
22 Jan – 5 Feb
17 Apr
8-10 wk
2 Apr
12 Jun
0 wk
28 Apr
2 Jun
4 wk after
Black-eyed susan vine
Thunbergia alata
4 Mar – 1 Apr
10 Apr
6-10 wk
13 May
22 May
6 wk after
California goldenpoppy
Eschscholzia californica
2 Apr
22 Jul
0 wk
27 Mar
12 Jul
1 wk before
Painted tongue
Salpiglossis sinuata
18 Feb – 4 Mar
16 May
8-10 wk
29 Apr
11 Jul
4 wk after
Water forget-me-not
Myosotis scorpioides
5 – 19 Feb
11 May
6-8 wk
2 Apr
22 Jun
0 wk
15 Apr
12 Jun
2 wk after