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-0.7°
Last 24h: Slight frost recorded tonight at 05:00. Inspect for frost damage
No frost in sight Last frost normally in 7 days (16 May), but frost-free in the forecast.
Method
Rel. frost
Last spring frost (0°C) 16 May Frost 1 of 10 years · 20 years of data
Frost-free season 167 days 16 May – 30 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)
28 Mar – 11 Apr
21 Jun
5-7 wk
16 May
26 Jul
0 wk
10 May
16 Jul
1 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
4 – 18 Apr
3 Jul
4-6 wk
16 May
31 Jul
0 wk
10 May
21 Jul
1 wk before
Chili pepper
Capsicum annuum
Greenhouse
11 Mar – 8 Apr
27 Mar
8-12 wk
3 Jun
3 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
28 Mar – 11 Apr
16 Jun
5-7 wk
16 May
21 Jul
0 wk
3 May
11 Jul
2 wk before
Garden cucumber
Cucumis sativus
Fleece
15 – 22 May
21 May
3-4 wk
12 Jun
4 wk after
Florence Fennel
Foeniculum vulgare
22 – 29 May
13 Jun
4-5 wk
26 Jun
11 Jul
6 wk after
26 Jun
1 Jul
6 wk after
Butter bean
Phaseolus lunatus
Season too short
8 – 15 Jun
3-4 wk
6 Jul
7 wk after
Onion
Allium cepa (Cepa-gruppen)
21 Feb – 21 Mar
6 Apr
8-12 wk
16 May
1 Jun
0 wk
29 May
2 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
10 May
21 Jun
1 wk before
10 May
11 Jun
1 wk before
Maize
Zea mays
Fleece
6 – 13 May
11 May
3-4 wk
3 Jun
3 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
18 – 25 Apr
10 Jul
3-4 wk
16 May
31 Jul
0 wk
29 May
21 Jul
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
16 May
11 Jul
0 wk
3 May
1 Jul
2 wk before
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
28 Mar – 11 Apr
16 Jun
5-7 wk
16 May
21 Jul
0 wk
3 May
11 Jul
2 wk before
Potato
Solanum tuberosum
9 – 23 Apr
13 Jun
4-6 wk
21 May
11 Jul
1 wk after
21 May
1 Jul
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
28 Mar – 11 Apr
26 Jun
5-7 wk
16 May
31 Jul
0 wk
10 May
21 Jul
1 wk before
Pumpkin
Cucurbita pepo
29 May – 5 Jun
3-4 wk
26 Jun
6 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
18 – 25 Apr
3 Jul
3-4 wk
16 May
24 Jul
0 wk
29 May
14 Jul
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
4 – 18 Apr
28 Jun
4-6 wk
16 May
26 Jul
0 wk
Lettuce
Lactuca sativa
18 – 25 Apr
15 Jul
3-4 wk
16 May
5 Aug
0 wk
10 May
26 Jul
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
4 – 18 Apr
28 Jun
4-6 wk
16 May
26 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
5 – 19 Apr
7 Jun
2-4 wk
3 May
21 Jun
2 wk before
3 May
11 Jun
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
10 May
21 Jun
1 wk before
10 May
11 Jun
1 wk before
Spinach
Spinacia oleracea
18 – 25 Apr
30 Jul
3-4 wk
16 May
20 Aug
0 wk
26 Apr
10 Aug
3 wk before
Sweet potato
Ipomoea batatas
17 Jun – 1 Jul
4-6 wk
29 Jul
11 wk after
Garden tomato
Solanum lycopersicum
Fleece
8 – 22 Apr
20 Apr
6-8 wk
3 Jun
3 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
15 – 29 May
28 May
2-4 wk
12 Jun
4 wk after
26 Jun
6 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
4 – 18 Apr
28 Jun
4-6 wk
16 May
26 Jul
0 wk
Garden pea
Pisum sativum
18 – 25 Apr
30 Jun
3-4 wk
16 May
21 Jul
0 wk
10 May
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
Fleece
1 – 15 May
23 May
4-6 wk
12 Jun
20 Jun
4 wk after
Lemon balm
Melissa officinalis
7 – 21 Mar
26 May
8-10 wk
16 May
21 Jul
0 wk
11 Jun
11 Jul
4 wk after
Dill
Anethum graveolens
10 May
31 Jul
1 wk before
Wild chives
Allium schoenoprasum
21 Mar – 4 Apr
9 Jun
6-8 wk
16 May
21 Jul
0 wk
10 May
11 Jul
1 wk before
Spearmint
Mentha spicata
21 Feb – 21 Mar
26 May
8-12 wk
16 May
21 Jul
0 wk
11 Jun
11 Jul
4 wk after
Coriander
Coriandrum sativum
16 May
20 Aug
0 wk
29 May
10 Aug
2 wk after
Garden sage
Salvia officinalis
7 – 21 Mar
11 May
8-10 wk
16 May
6 Jul
0 wk
Common thyme
Thymus vulgaris
7 – 21 Mar
16 May
8-10 wk
16 May
11 Jul
0 wk
Oregano
Origanum vulgare
21 Mar – 4 Apr
30 May
6-8 wk
16 May
11 Jul
0 wk
11 Jun
1 Jul
4 wk after
Parsley
Petroselinum crispum
21 Mar – 4 Apr
30 May
6-8 wk
16 May
11 Jul
0 wk
10 May
1 Jul
1 wk before
Rosemary
Salvia rosmarinus
7 Feb – 7 Mar
12 Apr
10-14 wk
16 May
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
Fleece
15 – 22 May
30 May
3-4 wk
12 Jun
20 Jun
4 wk after
Cornflower
Centaurea cyanus
16 May
21 Jul
0 wk
10 May
11 Jul
1 wk before
Statice
Limonium sinuatum
3 – 17 Apr
21 Apr
8-10 wk
12 Jun
16 Jun
4 wk after
Sweet William
Dianthus barbatus
21 Mar – 4 Apr
6-8 wk
16 May
0 wk
21 May
1 wk after
Snow-on-the-mountain
Euphorbia marginata
17 Apr – 1 May
5 May
6-8 wk
12 Jun
16 Jun
4 wk after
29 Jul
11 wk after
Pinnate dahlia
Dahlia × pinnata
12 – 26 Apr
8 May
6-8 wk
7 Jun
19 Jun
3 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
16 Apr – 14 May
22 May
4-8 wk
11 Jun
19 Jun
4 wk after
11 Jun
4 wk after
Foxglove
Digitalis purpurea
7 – 21 Mar
8-10 wk
16 May
0 wk
29 May
2 wk after
Busy lizzie
Impatiens walleriana
3 Apr – 1 May
10 Jun
8-12 wk
26 Jun
5 Aug
6 wk after
Creeping zinnia
Sanvitalia procumbens
17 Apr – 1 May
15 May
6-8 wk
12 Jun
26 Jun
4 wk after
Hyacinth bean
Dolichos lablab
Greenhouse
1 – 15 May
4-6 wk
12 Jun
4 wk after
Chinese lantern
Physalis alkekengi
7 – 21 Mar
26 Apr
8-10 wk
16 May
21 Jun
0 wk
Love in a mist
Nigella damascena
16 May
6 Jul
0 wk
10 May
26 Jun
1 wk before
Strawflower
Xerochrysum bracteatum
17 Apr – 1 May
25 Apr
6-8 wk
12 Jun
4 wk after
29 Jul
11 wk after
Purple-top vervain
Verbena bonariensis
21 Feb – 21 Mar
26 Apr
8-12 wk
16 May
21 Jun
0 wk
Cardoon
Cynara cardunculus
20 Mar – 17 Apr
27 Mar
8-12 wk
12 Jun
4 wk after
Regal-foxtail
Ptilotus nobilis
Fleece
20 Mar – 17 Apr
15 Apr
8-12 wk
12 Jun
4 wk after
Globe amaranth
Gomphrena globosa
Fleece
17 Apr – 1 May
29 Apr
6-8 wk
12 Jun
4 wk after
Corn poppy
Papaver rhoeas
16 May
21 Jul
0 wk
10 May
11 Jul
1 wk before
Snapdragon
Antirrhinum majus
21 Feb – 21 Mar
16 May
8-12 wk
16 May
11 Jul
0 wk
21 May
1 Jul
1 wk after
Flossflower
Ageratum houstonianum
17 Apr – 1 May
1 May
8-10 wk
26 Jun
26 Jun
6 wk after
Sweet pea
Lathyrus odoratus
21 Mar – 11 Apr
6 Jun
5-8 wk
16 May
11 Jul
0 wk
Stock
Matthiola incana
21 Mar – 4 Apr
9 Jun
6-8 wk
16 May
21 Jul
0 wk
29 May
11 Jul
2 wk after
Wormwood
Artemisia absinthium
21 Mar – 4 Apr
10 May
6-8 wk
16 May
21 Jun
0 wk
29 May
11 Jun
2 wk after
Mexican sunflower
Tithonia rotundifolia
Fleece
1 – 15 May
8 May
4-6 wk
12 Jun
4 wk after
Garden pansy
Viola × wittrockiana
7 – 21 Mar
26 May
8-10 wk
16 May
21 Jul
0 wk
21 May
11 Jul
1 wk after
Petunia
Petunia
20 Mar – 17 Apr
21 Apr
8-12 wk
12 Jun
16 Jun
4 wk after
Sweet Scabious
Scabiosa atropurpurea
21 Mar – 4 Apr
10 May
6-8 wk
16 May
21 Jun
0 wk
26 Jun
6 wk after
Common zinnia
Zinnia elegans
1 – 15 May
23 May
4-6 wk
12 Jun
20 Jun
4 wk after
Common morning glory
Ipomoea purpurea
Fleece
8 – 22 May
30 May
3-5 wk
12 Jun
20 Jun
4 wk after
Garden cosmos
Cosmos bipinnatus
1 – 15 May
22 May
4-6 wk
12 Jun
19 Jun
4 wk after
26 Jun
6 wk after
Scarlet milkweed
Asclepias curassavica
21 Apr – 19 May
26 Apr
8-12 wk
14 Jul
8 wk after
Bee balm
Monarda didyma
21 Feb – 21 Mar
26 Apr
8-12 wk
16 May
21 Jun
0 wk
11 Jun
11 Jun
4 wk after
Yarrow
Achillea millefolium
21 Mar – 4 Apr
10 Apr
6-8 wk
16 May
22 May
0 wk
29 May
2 wk after
Safflower
Carthamus tinctorius
16 May
21 Jun
0 wk
10 May
11 Jun
1 wk before
Iceland poppy
Papaver nudicaule
Season too short
21 Mar – 4 Apr
30 May
6-8 wk
16 May
11 Jul
0 wk
31 Mar
1 Jul
7 wk before
Bishop's flower
Ammi majus
4 – 18 Apr
13 Jun
4-6 wk
16 May
11 Jul
0 wk
29 May
1 Jul
2 wk after
Drumsticks
Pycnosorus globosus
Fleece
20 Mar – 3 Apr
21 Mar
10-12 wk
12 Jun
4 wk after
Sunflower
Helianthus annuus
15 – 22 May
20 Jun
3-4 wk
12 Jun
11 Jul
4 wk after
11 Jun
1 Jul
4 wk after
China aster
Callistephus chinensis
17 Apr – 1 May
9 Jun
6-8 wk
12 Jun
21 Jul
4 wk after
26 Jun
11 Jul
6 wk after
Annual phlox
Phlox drummondii
8 – 22 Apr
15 May
6-8 wk
3 Jun
26 Jun
3 wk after
26 Jun
6 wk after
Hollyhock
Alcea rosea
21 Mar – 4 Apr
6-8 wk
16 May
0 wk
29 May
2 wk after
Alpine delphinium
Delphinium elatum
21 Feb – 21 Mar
26 Apr
8-12 wk
16 May
21 Jun
0 wk
11 Jun
11 Jun
4 wk after
African marigold
Tagetes erecta
17 Apr – 1 May
15 May
6-8 wk
12 Jun
26 Jun
4 wk after
Black-eyed Susan
Rudbeckia hirta
21 Mar – 4 Apr
30 May
6-8 wk
16 May
11 Jul
0 wk
26 Jun
1 Jul
6 wk after
Wood sage
Salvia nemorosa
7 – 21 Mar
16 Apr
8-10 wk
16 May
11 Jun
0 wk
11 Jun
4 wk after
Black-eyed susan vine
Thunbergia alata
Fleece
3 Apr – 1 May
9 May
6-10 wk
12 Jun
20 Jun
4 wk after
California goldenpoppy
Eschscholzia californica
16 May
21 Jul
0 wk
10 May
11 Jul
1 wk before
Painted tongue
Salpiglossis sinuata
3 – 17 Apr
16 May
8-10 wk
12 Jun
11 Jul
4 wk after
Water forget-me-not
Myosotis scorpioides
21 Mar – 4 Apr
10 May
6-8 wk
16 May
21 Jun
0 wk
29 May
11 Jun
2 wk after