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-2.3°
Last 24h: Slight frost recorded tonight at 01:00. Inspect for frost damage
No frost in sight Last frost normally in 6 days (15 May), but frost-free in the forecast.
Method
Rel. frost
Last spring frost (0°C) 15 May Frost 9 of 10 years · 20 years of data
Frost-free season 81 days 15 May – 4 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)
27 Mar – 10 Apr
8 Jun
5-7 wk
15 May
13 Jul
0 wk
16 May
3 Jul
0 wk
Broccoli
Brassica oleracea (Italica-gruppen)
3 – 17 Apr
20 Jun
4-6 wk
15 May
18 Jul
0 wk
16 May
8 Jul
0 wk
Chili pepper
Capsicum annuum
Season too short
3 – 31 Mar
8-12 wk
26 May
2 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
27 Mar – 10 Apr
6 Jun
5-7 wk
15 May
11 Jul
0 wk
15 May
1 Jul
0 wk
Garden cucumber
Cucumis sativus
Season too short
28 Apr – 5 May
3-4 wk
26 May
2 wk after
Florence Fennel
Foeniculum vulgare
Fleece
30 Apr – 7 May
4-5 wk
4 Jun
3 wk after
9 Jun
4 wk after
Butter bean
Phaseolus lunatus
Season too short
28 May – 4 Jun
3-4 wk
25 Jun
6 wk after
Onion
Allium cepa (Cepa-gruppen)
Fleece
20 Feb – 20 Mar
12 Mar
8-12 wk
15 May
0 wk
21 May
1 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
16 May
20 May
0 wk
16 May
0 wk
Maize
Zea mays
Season too short
21 – 28 Apr
3-4 wk
19 May
1 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
23 – 30 Apr
25 May
3-4 wk
21 May
15 Jun
1 wk after
28 May
5 Jun
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
15 May
18 Jun
0 wk
15 May
8 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
27 Mar – 10 Apr
6 Jun
5-7 wk
15 May
11 Jul
0 wk
15 May
1 Jul
0 wk
Potato
Solanum tuberosum
13 – 27 Apr
27 Apr
4-6 wk
25 May
25 May
1 wk after
25 May
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
27 Mar – 10 Apr
3 Jun
5-7 wk
15 May
8 Jul
0 wk
16 May
28 Jun
0 wk
Pumpkin
Cucurbita pepo
Season too short
28 Apr – 5 May
3-4 wk
26 May
2 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
23 – 30 Apr
10 May
3-4 wk
21 May
31 May
1 wk after
28 May
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
3 – 17 Apr
18 Jun
4-6 wk
15 May
16 Jul
0 wk
Lettuce
Lactuca sativa
17 – 24 Apr
22 Jun
3-4 wk
15 May
13 Jul
0 wk
16 May
3 Jul
0 wk
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
3 – 17 Apr
18 Jun
4-6 wk
15 May
16 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
17 Apr – 1 May
12 May
2-4 wk
15 May
26 May
0 wk
15 May
16 May
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
16 May
20 May
0 wk
16 May
0 wk
Spinach
Spinacia oleracea
17 – 24 Apr
14 Jul
3-4 wk
15 May
4 Aug
0 wk
12 May
25 Jul
0 wk
Sweet potato
Ipomoea batatas
9 – 23 Jun
4-6 wk
21 Jul
10 wk after
Garden tomato
Solanum lycopersicum
Season too short
24 Mar – 7 Apr
6-8 wk
19 May
1 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Season too short
21 Apr – 5 May
2-4 wk
19 May
1 wk after
28 May
2 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
3 – 17 Apr
18 Jun
4-6 wk
15 May
16 Jul
0 wk
Garden pea
Pisum sativum
17 – 24 Apr
7 Jun
3-4 wk
15 May
28 Jun
0 wk
16 May
18 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
Season too short
14 – 28 Apr
4-6 wk
26 May
2 wk after
Lemon balm
Melissa officinalis
6 – 20 Mar
3 May
8-10 wk
15 May
28 Jun
0 wk
9 Jun
18 Jun
4 wk after
Dill
Anethum graveolens
16 May
15 Jun
0 wk
Wild chives
Allium schoenoprasum
20 Mar – 3 Apr
30 May
6-8 wk
15 May
11 Jul
0 wk
16 May
1 Jul
0 wk
Spearmint
Mentha spicata
20 Feb – 20 Mar
13 May
8-12 wk
15 May
8 Jul
0 wk
9 Jun
28 Jun
4 wk after
Coriander
Coriandrum sativum
15 May
5 Jul
0 wk
28 May
25 Jun
2 wk after
Garden sage
Salvia officinalis
12 – 26 Mar
1 May
8-10 wk
21 May
26 Jun
1 wk after
Common thyme
Thymus vulgaris
6 – 20 Mar
6 May
8-10 wk
15 May
1 Jul
0 wk
Oregano
Origanum vulgare
20 Mar – 3 Apr
17 May
6-8 wk
15 May
28 Jun
0 wk
9 Jun
18 Jun
4 wk after
Parsley
Petroselinum crispum
20 Mar – 3 Apr
17 May
6-8 wk
15 May
28 Jun
0 wk
16 May
18 Jun
0 wk
Rosemary
Salvia rosmarinus
Fleece
6 Feb – 6 Mar
9 Mar
10-14 wk
15 May
18 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
28 Apr – 5 May
3-4 wk
26 May
2 wk after
Cornflower
Centaurea cyanus
15 May
8 Jul
0 wk
16 May
28 Jun
0 wk
Statice
Limonium sinuatum
Season too short
10 – 24 Mar
8-10 wk
19 May
1 wk after
Sweet William
Dianthus barbatus
20 Mar – 3 Apr
6-8 wk
15 May
0 wk
25 May
1 wk after
Snow-on-the-mountain
Euphorbia marginata
Season too short
24 Mar – 7 Apr
6-8 wk
19 May
1 wk after
16 Jun
5 wk after
Pinnate dahlia
Dahlia × pinnata
Season too short
20 Mar – 3 Apr
6-8 wk
15 May
0 wk
Pinnate dahlia (tubers)
Dahlia × pinnata
Season too short
26 Mar – 23 Apr
31 Mar
4-8 wk
21 May
1 wk after
21 May
1 wk after
Foxglove
Digitalis purpurea
6 – 20 Mar
8-10 wk
15 May
0 wk
28 May
2 wk after
Busy lizzie
Impatiens walleriana
Greenhouse
3 – 31 Mar
2 Apr
8-12 wk
26 May
28 May
2 wk after
Creeping zinnia
Sanvitalia procumbens
Season too short
24 Mar – 7 Apr
6-8 wk
19 May
1 wk after
Hyacinth bean
Dolichos lablab
Season too short
23 Apr – 7 May
4-6 wk
4 Jun
3 wk after
Chinese lantern
Physalis alkekengi
Fleece
6 – 20 Mar
3 Apr
8-10 wk
15 May
29 May
0 wk
Love in a mist
Nigella damascena
15 May
13 Jun
0 wk
16 May
3 Jun
0 wk
Strawflower
Xerochrysum bracteatum
Season too short
24 Mar – 7 Apr
6-8 wk
19 May
1 wk after
16 Jun
5 wk after
Purple-top vervain
Verbena bonariensis
Fleece
20 Feb – 20 Mar
3 Apr
8-12 wk
15 May
29 May
0 wk
Cardoon
Cynara cardunculus
Season too short
24 Feb – 24 Mar
11 Mar
8-12 wk
19 May
1 wk after
Regal-foxtail
Ptilotus nobilis
Season too short
3 – 31 Mar
8-12 wk
26 May
2 wk after
Globe amaranth
Gomphrena globosa
Season too short
31 Mar – 14 Apr
6-8 wk
26 May
2 wk after
Corn poppy
Papaver rhoeas
15 May
28 Jun
0 wk
16 May
18 Jun
0 wk
Snapdragon
Antirrhinum majus
20 Feb – 20 Mar
23 Apr
8-12 wk
15 May
18 Jun
0 wk
25 May
8 Jun
1 wk after
Flossflower
Ageratum houstonianum
Season too short
17 – 31 Mar
8-10 wk
26 May
2 wk after
Sweet pea
Lathyrus odoratus
20 Mar – 10 Apr
24 May
5-8 wk
15 May
28 Jun
0 wk
Stock
Matthiola incana
20 Mar – 3 Apr
17 May
6-8 wk
15 May
28 Jun
0 wk
28 May
18 Jun
2 wk after
Wormwood
Artemisia absinthium
20 Mar – 3 Apr
30 Apr
6-8 wk
15 May
11 Jun
0 wk
28 May
1 Jun
2 wk after
Mexican sunflower
Tithonia rotundifolia
Season too short
14 – 28 Apr
4-6 wk
26 May
2 wk after
Garden pansy
Viola × wittrockiana
6 – 20 Mar
14 May
8-10 wk
15 May
9 Jul
0 wk
25 May
29 Jun
1 wk after
Petunia
Petunia
Season too short
24 Feb – 24 Mar
8-12 wk
19 May
1 wk after
Sweet Scabious
Scabiosa atropurpurea
Fleece
20 Mar – 3 Apr
17 Apr
6-8 wk
15 May
29 May
0 wk
9 Jun
4 wk after
Common zinnia
Zinnia elegans
Season too short
7 – 21 Apr
4-6 wk
19 May
1 wk after
Common morning glory
Ipomoea purpurea
Season too short
21 Apr – 5 May
3-5 wk
26 May
2 wk after
Garden cosmos
Cosmos bipinnatus
Season too short
7 – 21 Apr
4-6 wk
19 May
1 wk after
28 May
2 wk after
Scarlet milkweed
Asclepias curassavica
Season too short
12 Mar – 9 Apr
8-12 wk
4 Jun
3 wk after
Bee balm
Monarda didyma
20 Feb – 20 Mar
3 Apr
8-12 wk
15 May
29 May
0 wk
9 Jun
4 wk after
Yarrow
Achillea millefolium
20 Mar – 3 Apr
31 Mar
6-8 wk
15 May
0 wk
28 May
2 wk after
Safflower
Carthamus tinctorius
15 May
5 Jun
0 wk
16 May
26 May
0 wk
Iceland poppy
Papaver nudicaule
Season too short
20 Mar – 3 Apr
20 May
6-8 wk
15 May
1 Jul
0 wk
29 Apr
21 Jun
2 wk before
Bishop's flower
Ammi majus
3 – 17 Apr
21 May
4-6 wk
15 May
18 Jun
0 wk
28 May
8 Jun
2 wk after
Drumsticks
Pycnosorus globosus
Season too short
3 – 17 Mar
10-12 wk
26 May
2 wk after
Sunflower
Helianthus annuus
Fleece
28 Apr – 5 May
17 May
3-4 wk
26 May
7 Jun
2 wk after
28 May
28 May
2 wk after
China aster
Callistephus chinensis
Fleece
31 Mar – 14 Apr
6 May
6-8 wk
26 May
17 Jun
2 wk after
9 Jun
4 wk after
Annual phlox
Phlox drummondii
Season too short
20 Mar – 3 Apr
6-8 wk
15 May
0 wk
28 May
2 wk after
Hollyhock
Alcea rosea
20 Mar – 3 Apr
6-8 wk
15 May
0 wk
28 May
2 wk after
Alpine delphinium
Delphinium elatum
20 Feb – 20 Mar
3 Apr
8-12 wk
15 May
29 May
0 wk
9 Jun
4 wk after
African marigold
Tagetes erecta
Season too short
24 Mar – 7 Apr
6-8 wk
19 May
1 wk after
Black-eyed Susan
Rudbeckia hirta
Fleece
20 Mar – 3 Apr
26 Apr
6-8 wk
15 May
7 Jun
0 wk
9 Jun
4 wk after
Wood sage
Salvia nemorosa
6 – 20 Mar
24 Mar
8-10 wk
15 May
19 May
0 wk
9 Jun
4 wk after
Black-eyed susan vine
Thunbergia alata
Season too short
17 Mar – 14 Apr
6-10 wk
26 May
2 wk after
California goldenpoppy
Eschscholzia californica
15 May
17 Jun
0 wk
16 May
7 Jun
0 wk
Painted tongue
Salpiglossis sinuata
Fleece
17 – 31 Mar
31 Mar
8-10 wk
26 May
26 May
2 wk after
Water forget-me-not
Myosotis scorpioides
20 Mar – 3 Apr
30 Apr
6-8 wk
15 May
11 Jun
0 wk
28 May
1 Jun
2 wk after