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-2.2°
Last 24h: Slight frost recorded tonight at 03:00. Inspect for frost damage
No frost in sight Last frost normally in 9 days (22 May), but frost-free in the forecast.
Method
Rel. frost
Last spring frost (0°C) 22 May Frost 9 of 10 years · 20 years of data
Frost-free season 91 days 22 May – 21 Aug
Probability that frost is over

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