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-0.4°
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 174 days 16 May – 6 Nov
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
20 Jun
5-7 wk
16 May
25 Jul
0 wk
10 May
15 Jul
1 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
4 – 18 Apr
2 Jul
4-6 wk
16 May
30 Jul
0 wk
10 May
20 Jul
1 wk before
Chili pepper
Capsicum annuum
Greenhouse
11 Mar – 8 Apr
14 Mar
8-12 wk
3 Jun
3 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
28 Mar – 11 Apr
15 Jun
5-7 wk
16 May
20 Jul
0 wk
3 May
10 Jul
2 wk before
Garden cucumber
Cucumis sativus
Fleece
15 – 22 May
3-4 wk
12 Jun
4 wk after
Florence Fennel
Foeniculum vulgare
22 – 29 May
12 Jun
4-5 wk
26 Jun
10 Jul
6 wk after
26 Jun
30 Jun
6 wk after
Butter bean
Phaseolus lunatus
Greenhouse
8 – 15 Jun
3-4 wk
6 Jul
7 wk after
Onion
Allium cepa (Cepa-gruppen)
21 Feb – 21 Mar
5 Apr
8-12 wk
16 May
31 May
0 wk
29 May
2 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
10 May
20 Jun
1 wk before
10 May
10 Jun
1 wk before
Maize
Zea mays
Fleece
6 – 13 May
3-4 wk
3 Jun
3 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
18 – 25 Apr
9 Jul
3-4 wk
16 May
30 Jul
0 wk
29 May
20 Jul
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
16 May
10 Jul
0 wk
3 May
30 Jun
2 wk before
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
28 Mar – 11 Apr
15 Jun
5-7 wk
16 May
20 Jul
0 wk
3 May
10 Jul
2 wk before
Potato
Solanum tuberosum
9 – 23 Apr
12 Jun
4-6 wk
21 May
10 Jul
1 wk after
21 May
30 Jun
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
28 Mar – 11 Apr
25 Jun
5-7 wk
16 May
30 Jul
0 wk
10 May
20 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
1 Jul
3-4 wk
16 May
22 Jul
0 wk
29 May
12 Jul
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
4 – 18 Apr
27 Jun
4-6 wk
16 May
25 Jul
0 wk
Lettuce
Lactuca sativa
18 – 25 Apr
14 Jul
3-4 wk
16 May
4 Aug
0 wk
10 May
25 Jul
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
4 – 18 Apr
27 Jun
4-6 wk
16 May
25 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
5 – 19 Apr
6 Jun
2-4 wk
3 May
20 Jun
2 wk before
3 May
10 Jun
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
10 May
20 Jun
1 wk before
10 May
10 Jun
1 wk before
Spinach
Spinacia oleracea
18 – 25 Apr
29 Jul
3-4 wk
16 May
19 Aug
0 wk
26 Apr
9 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
6-8 wk
3 Jun
3 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
15 – 29 May
15 May
2-4 wk
12 Jun
4 wk after
26 Jun
6 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
4 – 18 Apr
27 Jun
4-6 wk
16 May
25 Jul
0 wk
Garden pea
Pisum sativum
18 – 25 Apr
29 Jun
3-4 wk
16 May
20 Jul
0 wk
10 May
10 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
29 May
4-6 wk
12 Jun
26 Jun
4 wk after
Lemon balm
Melissa officinalis
7 – 21 Mar
25 May
8-10 wk
16 May
20 Jul
0 wk
11 Jun
10 Jul
4 wk after
Dill
Anethum graveolens
10 May
30 Jul
1 wk before
Wild chives
Allium schoenoprasum
21 Mar – 4 Apr
8 Jun
6-8 wk
16 May
20 Jul
0 wk
10 May
10 Jul
1 wk before
Spearmint
Mentha spicata
21 Feb – 21 Mar
25 May
8-12 wk
16 May
20 Jul
0 wk
11 Jun
10 Jul
4 wk after
Coriander
Coriandrum sativum
16 May
19 Aug
0 wk
29 May
9 Aug
2 wk after
Garden sage
Salvia officinalis
7 – 21 Mar
10 May
8-10 wk
16 May
5 Jul
0 wk
Common thyme
Thymus vulgaris
7 – 21 Mar
15 May
8-10 wk
16 May
10 Jul
0 wk
Oregano
Origanum vulgare
21 Mar – 4 Apr
29 May
6-8 wk
16 May
10 Jul
0 wk
11 Jun
30 Jun
4 wk after
Parsley
Petroselinum crispum
21 Mar – 4 Apr
29 May
6-8 wk
16 May
10 Jul
0 wk
10 May
30 Jun
1 wk before
Rosemary
Salvia rosmarinus
7 Feb – 7 Mar
11 Apr
10-14 wk
16 May
20 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
5 Jun
3-4 wk
12 Jun
26 Jun
4 wk after
Cornflower
Centaurea cyanus
16 May
20 Jul
0 wk
10 May
10 Jul
1 wk before
Statice
Limonium sinuatum
3 – 17 Apr
24 Apr
8-10 wk
12 Jun
19 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
8 May
6-8 wk
12 Jun
19 Jun
4 wk after
29 Jul
11 wk after
Pinnate dahlia
Dahlia × pinnata
12 – 26 Apr
20 May
6-8 wk
7 Jun
1 Jul
3 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
16 Apr – 14 May
3 Jun
4-8 wk
11 Jun
1 Jul
4 wk after
11 Jun
21 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
16 Jun
8-12 wk
26 Jun
11 Aug
6 wk after
Creeping zinnia
Sanvitalia procumbens
17 Apr – 1 May
18 May
6-8 wk
12 Jun
29 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
25 Apr
8-10 wk
16 May
20 Jun
0 wk
Love in a mist
Nigella damascena
16 May
5 Jul
0 wk
10 May
25 Jun
1 wk before
Strawflower
Xerochrysum bracteatum
17 Apr – 1 May
28 Apr
6-8 wk
12 Jun
4 wk after
29 Jul
11 wk after
Purple-top vervain
Verbena bonariensis
21 Feb – 21 Mar
25 Apr
8-12 wk
16 May
20 Jun
0 wk
Cardoon
Cynara cardunculus
20 Mar – 17 Apr
26 Mar
8-12 wk
12 Jun
4 wk after
Regal-foxtail
Ptilotus nobilis
Fleece
20 Mar – 17 Apr
21 Apr
8-12 wk
12 Jun
16 Jun
4 wk after
Globe amaranth
Gomphrena globosa
Fleece
17 Apr – 1 May
5 May
6-8 wk
12 Jun
16 Jun
4 wk after
Corn poppy
Papaver rhoeas
16 May
20 Jul
0 wk
10 May
10 Jul
1 wk before
Snapdragon
Antirrhinum majus
21 Feb – 21 Mar
15 May
8-12 wk
16 May
10 Jul
0 wk
21 May
30 Jun
1 wk after
Flossflower
Ageratum houstonianum
17 Apr – 1 May
4 May
8-10 wk
26 Jun
29 Jun
6 wk after
Sweet pea
Lathyrus odoratus
21 Mar – 11 Apr
5 Jun
5-8 wk
16 May
10 Jul
0 wk
Stock
Matthiola incana
21 Mar – 4 Apr
8 Jun
6-8 wk
16 May
20 Jul
0 wk
29 May
10 Jul
2 wk after
Wormwood
Artemisia absinthium
21 Mar – 4 Apr
9 May
6-8 wk
16 May
20 Jun
0 wk
29 May
10 Jun
2 wk after
Mexican sunflower
Tithonia rotundifolia
Fleece
1 – 15 May
14 May
4-6 wk
12 Jun
4 wk after
Garden pansy
Viola × wittrockiana
7 – 21 Mar
25 May
8-10 wk
16 May
20 Jul
0 wk
21 May
10 Jul
1 wk after
Petunia
Petunia
20 Mar – 17 Apr
24 Apr
8-12 wk
12 Jun
19 Jun
4 wk after
Sweet Scabious
Scabiosa atropurpurea
21 Mar – 4 Apr
9 May
6-8 wk
16 May
20 Jun
0 wk
26 Jun
6 wk after
Common zinnia
Zinnia elegans
1 – 15 May
29 May
4-6 wk
12 Jun
26 Jun
4 wk after
Common morning glory
Ipomoea purpurea
Fleece
8 – 22 May
5 Jun
3-5 wk
12 Jun
26 Jun
4 wk after
Garden cosmos
Cosmos bipinnatus
1 – 15 May
3 Jun
4-6 wk
12 Jun
1 Jul
4 wk after
26 Jun
6 wk after
Scarlet milkweed
Asclepias curassavica
21 Apr – 19 May
8-12 wk
14 Jul
8 wk after
Bee balm
Monarda didyma
21 Feb – 21 Mar
25 Apr
8-12 wk
16 May
20 Jun
0 wk
11 Jun
4 wk after
Yarrow
Achillea millefolium
21 Mar – 4 Apr
9 Apr
6-8 wk
16 May
21 May
0 wk
29 May
2 wk after
Safflower
Carthamus tinctorius
16 May
20 Jun
0 wk
10 May
10 Jun
1 wk before
Iceland poppy
Papaver nudicaule
Season too short
21 Mar – 4 Apr
29 May
6-8 wk
16 May
10 Jul
0 wk
31 Mar
30 Jun
7 wk before
Bishop's flower
Ammi majus
4 – 18 Apr
12 Jun
4-6 wk
16 May
10 Jul
0 wk
29 May
30 Jun
2 wk after
Drumsticks
Pycnosorus globosus
3 – 17 Apr
10-12 wk
26 Jun
6 wk after
Sunflower
Helianthus annuus
15 – 22 May
19 Jun
3-4 wk
12 Jun
10 Jul
4 wk after
11 Jun
30 Jun
4 wk after
China aster
Callistephus chinensis
17 Apr – 1 May
8 Jun
6-8 wk
12 Jun
20 Jul
4 wk after
26 Jun
10 Jul
6 wk after
Annual phlox
Phlox drummondii
8 – 22 Apr
18 May
6-8 wk
3 Jun
29 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
25 Apr
8-12 wk
16 May
20 Jun
0 wk
11 Jun
4 wk after
African marigold
Tagetes erecta
17 Apr – 1 May
18 May
6-8 wk
12 Jun
29 Jun
4 wk after
Black-eyed Susan
Rudbeckia hirta
21 Mar – 4 Apr
29 May
6-8 wk
16 May
10 Jul
0 wk
26 Jun
30 Jun
6 wk after
Wood sage
Salvia nemorosa
7 – 21 Mar
15 Apr
8-10 wk
16 May
10 Jun
0 wk
11 Jun
4 wk after
Black-eyed susan vine
Thunbergia alata
Fleece
3 Apr – 1 May
15 May
6-10 wk
12 Jun
26 Jun
4 wk after
California goldenpoppy
Eschscholzia californica
16 May
20 Jul
0 wk
10 May
10 Jul
1 wk before
Painted tongue
Salpiglossis sinuata
3 – 17 Apr
15 May
8-10 wk
12 Jun
10 Jul
4 wk after
Water forget-me-not
Myosotis scorpioides
21 Mar – 4 Apr
9 May
6-8 wk
16 May
20 Jun
0 wk
29 May
10 Jun
2 wk after