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-3.3°
Last 24h: Slight frost recorded tonight at 05:00. Inspect for frost damage
Method
Rel. frost
Last spring frost (0°C) 26 May Frost 1 of 10 years · 20 years of data
Frost-free season 146 days 26 May – 19 Oct
Probability that frost is over

90% = 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)
7 – 21 Apr
16 Jun
5-7 wk
26 May
21 Jul
0 wk
30 May
11 Jul
1 wk after
Broccoli
Brassica oleracea (Italica-gruppen)
14 – 28 Apr
28 Jun
4-6 wk
26 May
26 Jul
0 wk
30 May
16 Jul
1 wk after
Chili pepper
Capsicum annuum
Season too short
18 Mar – 15 Apr
8-12 wk
10 Jun
2 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
7 – 21 Apr
11 Jun
5-7 wk
26 May
16 Jul
0 wk
26 May
6 Jul
0 wk
Garden cucumber
Cucumis sativus
Greenhouse
13 – 20 May
23 May
3-4 wk
10 Jun
13 Jun
2 wk after
Florence Fennel
Foeniculum vulgare
3 – 10 Jun
8 Jun
4-5 wk
8 Jul
6 wk after
14 Jul
7 wk after
Butter bean
Phaseolus lunatus
Season too short
15 – 22 Jun
3-4 wk
13 Jul
7 wk after
Onion
Allium cepa (Cepa-gruppen)
3 – 31 Mar
1 Apr
8-12 wk
26 May
27 May
0 wk
16 Jun
3 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
30 May
16 Jun
1 wk after
30 May
6 Jun
1 wk after
Maize
Zea mays
Greenhouse
29 Apr – 6 May
13 May
3-4 wk
27 May
3 Jun
0 wk
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
6 – 13 May
5 Jul
3-4 wk
3 Jun
26 Jul
1 wk after
16 Jun
16 Jul
3 wk after
Carrot
Daucus carota subsp. sativus var. sativus
26 May
6 Jul
0 wk
26 May
26 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
7 – 21 Apr
11 Jun
5-7 wk
26 May
16 Jul
0 wk
26 May
6 Jul
0 wk
Potato
Solanum tuberosum
30 Apr – 14 May
8 Jun
4-6 wk
11 Jun
6 Jul
2 wk after
11 Jun
26 Jun
2 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
7 – 21 Apr
21 Jun
5-7 wk
26 May
26 Jul
0 wk
30 May
16 Jul
1 wk after
Pumpkin
Cucurbita pepo
Fleece
25 May – 1 Jun
28 May
3-4 wk
22 Jun
4 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
6 – 13 May
26 Jun
3-4 wk
3 Jun
17 Jul
1 wk after
16 Jun
7 Jul
3 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
14 – 28 Apr
23 Jun
4-6 wk
26 May
21 Jul
0 wk
Lettuce
Lactuca sativa
28 Apr – 5 May
10 Jul
3-4 wk
26 May
31 Jul
0 wk
30 May
21 Jul
1 wk after
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
14 – 28 Apr
23 Jun
4-6 wk
26 May
21 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
28 Apr – 12 May
2 Jun
2-4 wk
26 May
16 Jun
0 wk
26 May
6 Jun
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
30 May
16 Jun
1 wk after
30 May
6 Jun
1 wk after
Spinach
Spinacia oleracea
28 Apr – 5 May
25 Jul
3-4 wk
26 May
15 Aug
0 wk
22 May
5 Aug
1 wk before
Sweet potato
Ipomoea batatas
27 Jun – 11 Jul
4-6 wk
8 Aug
11 wk after
Garden tomato
Solanum lycopersicum
Greenhouse
1 – 15 Apr
22 Apr
6-8 wk
27 May
3 Jun
0 wk
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Fleece
13 – 27 May
30 May
2-4 wk
10 Jun
13 Jun
2 wk after
30 Jun
5 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
14 – 28 Apr
23 Jun
4-6 wk
26 May
21 Jul
0 wk
Garden pea
Pisum sativum
28 Apr – 5 May
25 Jun
3-4 wk
26 May
16 Jul
0 wk
30 May
6 Jul
1 wk after

Herbs

Plant Sow indoors Transplant Direct sow
Earliest Latest Growing time Earliest Latest Rel. frost Earliest Latest Rel. frost
Basil
Ocimum basilicum
Fleece
11 – 25 May
4-6 wk
22 Jun
4 wk after
Lemon balm
Melissa officinalis
17 – 31 Mar
21 May
8-10 wk
26 May
16 Jul
0 wk
30 Jun
6 Jul
5 wk after
Dill
Anethum graveolens
30 May
26 Jul
1 wk after
Wild chives
Allium schoenoprasum
31 Mar – 14 Apr
4 Jun
6-8 wk
26 May
16 Jul
0 wk
30 May
6 Jul
1 wk after
Spearmint
Mentha spicata
3 – 31 Mar
21 May
8-12 wk
26 May
16 Jul
0 wk
30 Jun
6 Jul
5 wk after
Coriander
Coriandrum sativum
26 May
15 Aug
0 wk
16 Jun
5 Aug
3 wk after
Garden sage
Salvia officinalis
25 Mar – 8 Apr
6 May
8-10 wk
3 Jun
1 Jul
1 wk after
Common thyme
Thymus vulgaris
17 – 31 Mar
11 May
8-10 wk
26 May
6 Jul
0 wk
Oregano
Origanum vulgare
31 Mar – 14 Apr
25 May
6-8 wk
26 May
6 Jul
0 wk
30 Jun
5 wk after
Parsley
Petroselinum crispum
31 Mar – 14 Apr
25 May
6-8 wk
26 May
6 Jul
0 wk
30 May
26 Jun
1 wk after
Rosemary
Salvia rosmarinus
25 Feb – 25 Mar
7 Apr
10-14 wk
3 Jun
16 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
25 May – 1 Jun
3-4 wk
22 Jun
4 wk after
Cornflower
Centaurea cyanus
26 May
16 Jul
0 wk
30 May
6 Jul
1 wk after
Statice
Limonium sinuatum
13 – 27 Apr
8-10 wk
22 Jun
4 wk after
Sweet William
Dianthus barbatus
31 Mar – 14 Apr
6-8 wk
26 May
0 wk
11 Jun
2 wk after
Snow-on-the-mountain
Euphorbia marginata
27 Apr – 11 May
6-8 wk
22 Jun
4 wk after
8 Aug
11 wk after
Pinnate dahlia
Dahlia × pinnata
19 Apr – 3 May
29 Apr
6-8 wk
14 Jun
3 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
5 May – 2 Jun
13 May
4-8 wk
30 Jun
5 wk after
30 Jun
5 wk after
Foxglove
Digitalis purpurea
17 – 31 Mar
8-10 wk
26 May
0 wk
16 Jun
3 wk after
Busy lizzie
Impatiens walleriana
15 Apr – 13 May
24 May
8-12 wk
8 Jul
19 Jul
6 wk after
Creeping zinnia
Sanvitalia procumbens
27 Apr – 11 May
28 Apr
6-8 wk
22 Jun
4 wk after
Hyacinth bean
Dolichos lablab
Season too short
11 – 25 May
4-6 wk
22 Jun
4 wk after
Chinese lantern
Physalis alkekengi
25 Mar – 8 Apr
21 Apr
8-10 wk
3 Jun
16 Jun
1 wk after
Love in a mist
Nigella damascena
26 May
1 Jul
0 wk
30 May
21 Jun
1 wk after
Strawflower
Xerochrysum bracteatum
27 Apr – 11 May
6-8 wk
22 Jun
4 wk after
8 Aug
11 wk after
Purple-top vervain
Verbena bonariensis
11 Mar – 8 Apr
21 Apr
8-12 wk
3 Jun
16 Jun
1 wk after
Cardoon
Cynara cardunculus
30 Mar – 27 Apr
8-12 wk
22 Jun
4 wk after
Regal-foxtail
Ptilotus nobilis
Fleece
30 Mar – 27 Apr
8-12 wk
22 Jun
4 wk after
Globe amaranth
Gomphrena globosa
Fleece
27 Apr – 11 May
6-8 wk
22 Jun
4 wk after
Corn poppy
Papaver rhoeas
26 May
16 Jul
0 wk
30 May
6 Jul
1 wk after
Snapdragon
Antirrhinum majus
3 – 31 Mar
11 May
8-12 wk
26 May
6 Jul
0 wk
11 Jun
26 Jun
2 wk after
Flossflower
Ageratum houstonianum
29 Apr – 13 May
8-10 wk
8 Jul
6 wk after
Sweet pea
Lathyrus odoratus
31 Mar – 21 Apr
1 Jun
5-8 wk
26 May
6 Jul
0 wk
Stock
Matthiola incana
31 Mar – 14 Apr
4 Jun
6-8 wk
26 May
16 Jul
0 wk
16 Jun
6 Jul
3 wk after
Wormwood
Artemisia absinthium
31 Mar – 14 Apr
5 May
6-8 wk
26 May
16 Jun
0 wk
16 Jun
3 wk after
Mexican sunflower
Tithonia rotundifolia
Greenhouse
29 Apr – 13 May
8 May
4-6 wk
10 Jun
2 wk after
Garden pansy
Viola × wittrockiana
17 – 31 Mar
21 May
8-10 wk
26 May
16 Jul
0 wk
11 Jun
6 Jul
2 wk after
Petunia
Petunia
30 Mar – 27 Apr
4 Apr
8-12 wk
22 Jun
4 wk after
Sweet Scabious
Scabiosa atropurpurea
8 – 22 Apr
5 May
6-8 wk
3 Jun
16 Jun
1 wk after
14 Jul
7 wk after
Common zinnia
Zinnia elegans
11 – 25 May
4-6 wk
22 Jun
4 wk after
Common morning glory
Ipomoea purpurea
Fleece
18 May – 1 Jun
3-5 wk
22 Jun
4 wk after
Garden cosmos
Cosmos bipinnatus
11 – 25 May
13 May
4-6 wk
22 Jun
4 wk after
14 Jul
7 wk after
Scarlet milkweed
Asclepias curassavica
Fleece
15 Apr – 13 May
28 Apr
8-12 wk
8 Jul
6 wk after
Bee balm
Monarda didyma
3 – 31 Mar
21 Apr
8-12 wk
26 May
16 Jun
0 wk
30 Jun
5 wk after
Yarrow
Achillea millefolium
31 Mar – 14 Apr
5 Apr
6-8 wk
26 May
0 wk
16 Jun
3 wk after
Safflower
Carthamus tinctorius
26 May
16 Jun
0 wk
30 May
6 Jun
1 wk after
Iceland poppy
Papaver nudicaule
Season too short
31 Mar – 14 Apr
25 May
6-8 wk
26 May
6 Jul
0 wk
8 May
26 Jun
3 wk before
Bishop's flower
Ammi majus
14 – 28 Apr
8 Jun
4-6 wk
26 May
6 Jul
0 wk
16 Jun
26 Jun
3 wk after
Drumsticks
Pycnosorus globosus
Fleece
30 Mar – 13 Apr
10-12 wk
22 Jun
4 wk after
Sunflower
Helianthus annuus
25 May – 1 Jun
15 Jun
3-4 wk
22 Jun
6 Jul
4 wk after
30 Jun
5 wk after
China aster
Callistephus chinensis
27 Apr – 11 May
4 Jun
6-8 wk
22 Jun
16 Jul
4 wk after
14 Jul
7 wk after
Annual phlox
Phlox drummondii
15 – 29 Apr
28 Apr
6-8 wk
10 Jun
2 wk after
14 Jul
7 wk after
Hollyhock
Alcea rosea
31 Mar – 14 Apr
6-8 wk
26 May
0 wk
16 Jun
3 wk after
Alpine delphinium
Delphinium elatum
3 – 31 Mar
21 Apr
8-12 wk
26 May
16 Jun
0 wk
30 Jun
5 wk after
African marigold
Tagetes erecta
27 Apr – 11 May
28 Apr
6-8 wk
22 Jun
4 wk after
Black-eyed Susan
Rudbeckia hirta
8 – 22 Apr
25 May
6-8 wk
3 Jun
6 Jul
1 wk after
14 Jul
7 wk after
Wood sage
Salvia nemorosa
17 – 31 Mar
11 Apr
8-10 wk
26 May
6 Jun
0 wk
30 Jun
5 wk after
Black-eyed susan vine
Thunbergia alata
Fleece
13 Apr – 11 May
22 Apr
6-10 wk
22 Jun
4 wk after
California goldenpoppy
Eschscholzia californica
26 May
16 Jul
0 wk
30 May
6 Jul
1 wk after
Painted tongue
Salpiglossis sinuata
13 – 27 Apr
11 May
8-10 wk
22 Jun
6 Jul
4 wk after
Water forget-me-not
Myosotis scorpioides
31 Mar – 14 Apr
5 May
6-8 wk
26 May
16 Jun
0 wk
16 Jun
3 wk after