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0.9°
Last 24h: Near frost recorded last night at 04:00. Inspect for frost damage
Method
Rel. frost
Last spring frost (0°C) 11 Apr Frost 9 of 10 years · 20 years of data
Frost-free season 181 days 11 Apr – 9 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)
21 Feb – 7 Mar
18 Jun
5-7 wk
11 Apr
23 Jul
0 wk
4 Apr
13 Jul
1 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
28 Feb – 14 Mar
30 Jun
4-6 wk
11 Apr
28 Jul
0 wk
4 Apr
18 Jul
1 wk before
Chili pepper
Capsicum annuum
Season too short
28 Jan – 25 Feb
10 Feb
8-12 wk
22 Apr
2 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
21 Feb – 7 Mar
13 Jun
5-7 wk
11 Apr
18 Jul
0 wk
30 Mar
8 Jul
2 wk before
Garden cucumber
Cucumis sativus
Greenhouse
25 Mar – 1 Apr
21 May
3-4 wk
22 Apr
11 Jun
2 wk after
Florence Fennel
Foeniculum vulgare
12 – 19 Apr
10 Jun
4-5 wk
17 May
8 Jul
5 wk after
17 May
28 Jun
5 wk after
Butter bean
Phaseolus lunatus
Season too short
26 Apr – 3 May
3-4 wk
24 May
6 wk after
Onion
Allium cepa (Cepa-gruppen)
17 Jan – 14 Feb
30 Mar
8-12 wk
11 Apr
25 May
0 wk
21 Apr
15 May
1 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
4 Apr
14 Jun
1 wk before
4 Apr
4 Jun
1 wk before
Maize
Zea mays
Greenhouse
14 – 21 Mar
11 May
3-4 wk
11 Apr
1 Jun
0 wk
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
20 – 27 Mar
7 Jul
3-4 wk
17 Apr
28 Jul
1 wk after
21 Apr
18 Jul
1 wk after
Carrot
Daucus carota subsp. sativus var. sativus
11 Apr
8 Jul
0 wk
30 Mar
28 Jun
2 wk before
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
21 Feb – 7 Mar
13 Jun
5-7 wk
11 Apr
18 Jul
0 wk
30 Mar
8 Jul
2 wk before
Potato
Solanum tuberosum
5 – 19 Mar
30 May
4-6 wk
16 Apr
27 Jun
1 wk after
16 Apr
17 Jun
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
21 Feb – 7 Mar
23 Jun
5-7 wk
11 Apr
28 Jul
0 wk
4 Apr
18 Jul
1 wk before
Pumpkin
Cucurbita pepo
Fleece
2 – 9 Apr
26 May
3-4 wk
30 Apr
16 Jun
3 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
20 – 27 Mar
9 Jun
3-4 wk
17 Apr
30 Jun
1 wk after
21 Apr
20 Jun
1 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
28 Feb – 14 Mar
25 Jun
4-6 wk
11 Apr
23 Jul
0 wk
Lettuce
Lactuca sativa
14 – 21 Mar
12 Jul
3-4 wk
11 Apr
2 Aug
0 wk
4 Apr
23 Jul
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
28 Feb – 14 Mar
25 Jun
4-6 wk
11 Apr
23 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
2 – 16 Mar
4 Jun
2-4 wk
30 Mar
18 Jun
2 wk before
30 Mar
8 Jun
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
4 Apr
14 Jun
1 wk before
4 Apr
4 Jun
1 wk before
Spinach
Spinacia oleracea
14 – 21 Mar
27 Jul
3-4 wk
11 Apr
17 Aug
0 wk
24 Mar
7 Aug
3 wk before
Sweet potato
Ipomoea batatas
8 – 22 May
4-6 wk
19 Jun
10 wk after
Garden tomato
Solanum lycopersicum
Greenhouse
14 – 28 Feb
20 Apr
6-8 wk
11 Apr
1 Jun
0 wk
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Fleece
25 Mar – 8 Apr
28 May
2-4 wk
22 Apr
11 Jun
2 wk after
2 May
1 Jun
3 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
28 Feb – 14 Mar
25 Jun
4-6 wk
11 Apr
23 Jul
0 wk
Garden pea
Pisum sativum
14 – 21 Mar
27 Jun
3-4 wk
11 Apr
18 Jul
0 wk
4 Apr
8 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
19 Mar – 2 Apr
4 May
4-6 wk
30 Apr
1 Jun
3 wk after
Lemon balm
Melissa officinalis
31 Jan – 14 Feb
23 May
8-10 wk
11 Apr
18 Jul
0 wk
2 May
8 Jul
3 wk after
Dill
Anethum graveolens
4 Apr
28 Jul
1 wk before
Wild chives
Allium schoenoprasum
14 – 28 Feb
6 Jun
6-8 wk
11 Apr
18 Jul
0 wk
4 Apr
8 Jul
1 wk before
Spearmint
Mentha spicata
17 Jan – 14 Feb
23 May
8-12 wk
11 Apr
18 Jul
0 wk
2 May
8 Jul
3 wk after
Coriander
Coriandrum sativum
11 Apr
17 Aug
0 wk
21 Apr
7 Aug
1 wk after
Garden sage
Salvia officinalis
6 – 20 Feb
8 May
8-10 wk
17 Apr
3 Jul
1 wk after
Common thyme
Thymus vulgaris
31 Jan – 14 Feb
13 May
8-10 wk
11 Apr
8 Jul
0 wk
Oregano
Origanum vulgare
14 – 28 Feb
27 May
6-8 wk
11 Apr
8 Jul
0 wk
2 May
28 Jun
3 wk after
Parsley
Petroselinum crispum
14 – 28 Feb
27 May
6-8 wk
11 Apr
8 Jul
0 wk
4 Apr
28 Jun
1 wk before
Rosemary
Salvia rosmarinus
9 Jan – 6 Feb
9 Apr
10-14 wk
17 Apr
18 Jun
1 wk after

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
2 – 9 Apr
11 May
3-4 wk
30 Apr
1 Jun
3 wk after
Cornflower
Centaurea cyanus
11 Apr
18 Jul
0 wk
4 Apr
8 Jul
1 wk before
Statice
Limonium sinuatum
19 Feb – 5 Mar
27 Mar
8-10 wk
30 Apr
22 May
3 wk after
Sweet William
Dianthus barbatus
14 – 28 Feb
6-8 wk
11 Apr
0 wk
16 Apr
1 wk after
Snow-on-the-mountain
Euphorbia marginata
5 – 19 Mar
10 Apr
6-8 wk
30 Apr
22 May
3 wk after
19 Jun
10 wk after
Pinnate dahlia
Dahlia × pinnata
28 Feb – 14 Mar
17 Apr
6-8 wk
25 Apr
29 May
2 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
7 Mar – 4 Apr
1 May
4-8 wk
2 May
29 May
3 wk after
2 May
19 May
3 wk after
Foxglove
Digitalis purpurea
31 Jan – 14 Feb
8-10 wk
11 Apr
0 wk
21 Apr
1 wk after
Busy lizzie
Impatiens walleriana
22 Feb – 22 Mar
22 May
8-12 wk
17 May
17 Jul
5 wk after
Creeping zinnia
Sanvitalia procumbens
5 – 19 Mar
20 Apr
6-8 wk
30 Apr
1 Jun
3 wk after
Hyacinth bean
Dolichos lablab
Season too short
19 Mar – 2 Apr
4 Apr
4-6 wk
30 Apr
2 May
3 wk after
Chinese lantern
Physalis alkekengi
6 – 20 Feb
23 Apr
8-10 wk
17 Apr
18 Jun
1 wk after
Love in a mist
Nigella damascena
11 Apr
3 Jul
0 wk
4 Apr
23 Jun
1 wk before
Strawflower
Xerochrysum bracteatum
5 – 19 Mar
31 Mar
6-8 wk
30 Apr
12 May
3 wk after
19 Jun
10 wk after
Purple-top vervain
Verbena bonariensis
23 Jan – 20 Feb
23 Apr
8-12 wk
17 Apr
18 Jun
1 wk after
Cardoon
Cynara cardunculus
5 Feb – 5 Mar
24 Mar
8-12 wk
30 Apr
19 May
3 wk after
Regal-foxtail
Ptilotus nobilis
Fleece
5 Feb – 5 Mar
27 Mar
8-12 wk
30 Apr
22 May
3 wk after
Globe amaranth
Gomphrena globosa
Fleece
5 – 19 Mar
10 Apr
6-8 wk
30 Apr
22 May
3 wk after
Corn poppy
Papaver rhoeas
11 Apr
18 Jul
0 wk
4 Apr
8 Jul
1 wk before
Snapdragon
Antirrhinum majus
17 Jan – 14 Feb
13 May
8-12 wk
11 Apr
8 Jul
0 wk
16 Apr
28 Jun
1 wk after
Flossflower
Ageratum houstonianum
8 – 22 Mar
6 Apr
8-10 wk
17 May
1 Jun
5 wk after
Sweet pea
Lathyrus odoratus
14 Feb – 7 Mar
3 Jun
5-8 wk
11 Apr
8 Jul
0 wk
Stock
Matthiola incana
14 – 28 Feb
6 Jun
6-8 wk
11 Apr
18 Jul
0 wk
21 Apr
8 Jul
1 wk after
Wormwood
Artemisia absinthium
14 – 28 Feb
7 May
6-8 wk
11 Apr
18 Jun
0 wk
21 Apr
8 Jun
1 wk after
Mexican sunflower
Tithonia rotundifolia
Fleece
19 Mar – 2 Apr
19 Apr
4-6 wk
30 Apr
17 May
3 wk after
Garden pansy
Viola × wittrockiana
31 Jan – 14 Feb
23 May
8-10 wk
11 Apr
18 Jul
0 wk
16 Apr
8 Jul
1 wk after
Petunia
Petunia
5 Feb – 5 Mar
27 Mar
8-12 wk
30 Apr
22 May
3 wk after
Sweet Scabious
Scabiosa atropurpurea
20 Feb – 6 Mar
7 May
6-8 wk
17 Apr
18 Jun
1 wk after
17 May
8 Jun
5 wk after
Common zinnia
Zinnia elegans
19 Mar – 2 Apr
4 May
4-6 wk
30 Apr
1 Jun
3 wk after
Common morning glory
Ipomoea purpurea
Fleece
26 Mar – 9 Apr
11 May
3-5 wk
30 Apr
1 Jun
3 wk after
Garden cosmos
Cosmos bipinnatus
19 Mar – 2 Apr
1 May
4-6 wk
30 Apr
29 May
3 wk after
17 May
19 May
5 wk after
Scarlet milkweed
Asclepias curassavica
Fleece
22 Feb – 22 Mar
26 Apr
8-12 wk
17 May
21 Jun
5 wk after
Bee balm
Monarda didyma
17 Jan – 14 Feb
23 Apr
8-12 wk
11 Apr
18 Jun
0 wk
2 May
8 Jun
3 wk after
Yarrow
Achillea millefolium
14 – 28 Feb
7 Apr
6-8 wk
11 Apr
19 May
0 wk
21 Apr
9 May
1 wk after
Safflower
Carthamus tinctorius
11 Apr
18 Jun
0 wk
4 Apr
8 Jun
1 wk before
Iceland poppy
Papaver nudicaule
Season too short
14 – 28 Feb
27 May
6-8 wk
11 Apr
8 Jul
0 wk
3 Mar
28 Jun
6 wk before
Bishop's flower
Ammi majus
28 Feb – 14 Mar
10 Jun
4-6 wk
11 Apr
8 Jul
0 wk
21 Apr
28 Jun
1 wk after
Drumsticks
Pycnosorus globosus
Fleece
5 – 19 Feb
28 Feb
10-12 wk
30 Apr
9 May
3 wk after
Sunflower
Helianthus annuus
2 – 9 Apr
17 Jun
3-4 wk
30 Apr
8 Jul
3 wk after
2 May
28 Jun
3 wk after
China aster
Callistephus chinensis
5 – 19 Mar
6 Jun
6-8 wk
30 Apr
18 Jul
3 wk after
17 May
8 Jul
5 wk after
Annual phlox
Phlox drummondii
25 Feb – 11 Mar
20 Apr
6-8 wk
22 Apr
1 Jun
2 wk after
17 May
22 May
5 wk after
Hollyhock
Alcea rosea
14 – 28 Feb
6-8 wk
11 Apr
0 wk
21 Apr
1 wk after
Alpine delphinium
Delphinium elatum
17 Jan – 14 Feb
23 Apr
8-12 wk
11 Apr
18 Jun
0 wk
2 May
8 Jun
3 wk after
African marigold
Tagetes erecta
5 – 19 Mar
20 Apr
6-8 wk
30 Apr
1 Jun
3 wk after
Black-eyed Susan
Rudbeckia hirta
20 Feb – 6 Mar
27 May
6-8 wk
17 Apr
8 Jul
1 wk after
17 May
28 Jun
5 wk after
Wood sage
Salvia nemorosa
31 Jan – 14 Feb
13 Apr
8-10 wk
11 Apr
8 Jun
0 wk
2 May
29 May
3 wk after
Black-eyed susan vine
Thunbergia alata
Fleece
19 Feb – 19 Mar
20 Apr
6-10 wk
30 Apr
1 Jun
3 wk after
California goldenpoppy
Eschscholzia californica
11 Apr
18 Jul
0 wk
4 Apr
8 Jul
1 wk before
Painted tongue
Salpiglossis sinuata
19 Feb – 5 Mar
13 May
8-10 wk
30 Apr
8 Jul
3 wk after
Water forget-me-not
Myosotis scorpioides
14 – 28 Feb
7 May
6-8 wk
11 Apr
18 Jun
0 wk
21 Apr
8 Jun
1 wk after