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-0.9°
Last 24h: Slight frost recorded tonight at 03:00. Inspect for frost damage
No frost in sight Last frost normally in 2 days (11 May), but frost-free in the forecast.
Method
Rel. frost
Last spring frost (0°C) 11 May Frost 3 of 4 years · 20 years of data
Frost-free season 108 days 11 May – 27 Aug
Probability that frost is over

25% = Half of years are frost-free by this date. More about frost & season →

Custom date
Note: This location has a shorter growing season. Plants marked with Fleece, Greenhouse or Season too short need extra protection or are difficult to grow here.

Vegetables

Plant Sow indoors Transplant Direct sow
Earliest Latest Growing time Earliest Latest Rel. frost Earliest Latest Rel. frost
Cauliflower
Brassica oleracea (Botrytis-gruppen)
23 Mar – 6 Apr
12 Jun
5-7 wk
11 May
17 Jul
0 wk
12 May
7 Jul
0 wk
Broccoli
Brassica oleracea (Italica-gruppen)
30 Mar – 13 Apr
24 Jun
4-6 wk
11 May
22 Jul
0 wk
12 May
12 Jul
0 wk
Chili pepper
Capsicum annuum
Greenhouse
27 Feb – 27 Mar
28 Mar
8-12 wk
22 May
23 May
2 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
23 Mar – 6 Apr
7 Jun
5-7 wk
11 May
12 Jul
0 wk
11 May
2 Jul
0 wk
Garden cucumber
Cucumis sativus
Fleece
3 – 10 May
22 May
3-4 wk
31 May
12 Jun
3 wk after
Florence Fennel
Foeniculum vulgare
Fleece
26 Apr – 3 May
23 May
4-5 wk
31 May
20 Jun
3 wk after
5 Jun
10 Jun
4 wk after
Butter bean
Phaseolus lunatus
Season too short
24 – 31 May
3-4 wk
21 Jun
6 wk after
Onion
Allium cepa (Cepa-gruppen)
16 Feb – 16 Mar
16 Mar
8-12 wk
11 May
11 May
0 wk
24 May
2 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
12 May
31 May
0 wk
12 May
21 May
0 wk
Maize
Zea mays
Fleece
24 Apr – 1 May
12 May
3-4 wk
22 May
2 Jun
2 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
19 – 26 Apr
19 Jun
3-4 wk
17 May
10 Jul
1 wk after
24 May
30 Jun
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
11 May
29 Jun
0 wk
11 May
19 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
23 Mar – 6 Apr
7 Jun
5-7 wk
11 May
12 Jul
0 wk
11 May
2 Jul
0 wk
Potato
Solanum tuberosum
9 – 23 Apr
12 May
4-6 wk
21 May
9 Jun
1 wk after
21 May
30 May
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
23 Mar – 6 Apr
14 Jun
5-7 wk
11 May
19 Jul
0 wk
12 May
9 Jul
0 wk
Pumpkin
Cucurbita pepo
17 – 24 May
27 May
3-4 wk
14 Jun
17 Jun
5 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
19 – 26 Apr
22 May
3-4 wk
17 May
12 Jun
1 wk after
24 May
2 Jun
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
30 Mar – 13 Apr
19 Jun
4-6 wk
11 May
17 Jul
0 wk
Lettuce
Lactuca sativa
13 – 20 Apr
3 Jul
3-4 wk
11 May
24 Jul
0 wk
12 May
14 Jul
0 wk
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
30 Mar – 13 Apr
19 Jun
4-6 wk
11 May
17 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
13 – 27 Apr
20 May
2-4 wk
11 May
3 Jun
0 wk
11 May
24 May
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
12 May
31 May
0 wk
12 May
21 May
0 wk
Spinach
Spinacia oleracea
13 – 20 Apr
21 Jul
3-4 wk
11 May
11 Aug
0 wk
8 May
1 Aug
0 wk
Sweet potato
Ipomoea batatas
5 – 19 Jun
4-6 wk
17 Jul
10 wk after
Garden tomato
Solanum lycopersicum
Fleece
27 Mar – 10 Apr
21 Apr
6-8 wk
22 May
2 Jun
2 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
3 – 17 May
29 May
2-4 wk
31 May
12 Jun
3 wk after
23 Jun
6 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
30 Mar – 13 Apr
19 Jun
4-6 wk
11 May
17 Jul
0 wk
Garden pea
Pisum sativum
13 – 20 Apr
18 Jun
3-4 wk
11 May
9 Jul
0 wk
12 May
29 Jun
0 wk

Herbs

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