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-2.1°
Last 24h: Slight frost recorded tonight at 02:00. Inspect for frost damage
Frost is lingering Last frost normally 12 May, The 10-day forecast shows frost Wed.
Method
Rel. frost
Last spring frost (0°C) 12 May Frost 9 of 10 years · 20 years of data
Frost-free season 108 days 12 May – 28 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)
24 Mar – 7 Apr
10 Jun
5-7 wk
12 May
15 Jul
0 wk
13 May
5 Jul
0 wk
Broccoli
Brassica oleracea (Italica-gruppen)
31 Mar – 14 Apr
22 Jun
4-6 wk
12 May
20 Jul
0 wk
13 May
10 Jul
0 wk
Chili pepper
Capsicum annuum
Season too short
28 Feb – 28 Mar
8-12 wk
23 May
2 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
24 Mar – 7 Apr
5 Jun
5-7 wk
12 May
10 Jul
0 wk
12 May
30 Jun
0 wk
Garden cucumber
Cucumis sativus
Season too short
25 Apr – 2 May
3-4 wk
23 May
2 wk after
Florence Fennel
Foeniculum vulgare
Fleece
27 Apr – 4 May
17 May
4-5 wk
1 Jun
14 Jun
3 wk after
6 Jun
4 wk after
Butter bean
Phaseolus lunatus
Season too short
25 May – 1 Jun
3-4 wk
22 Jun
6 wk after
Onion
Allium cepa (Cepa-gruppen)
Greenhouse
17 Feb – 17 Mar
11 Mar
8-12 wk
12 May
0 wk
12 May
0 wk
Onion (sets)
Allium cepa (Cepa-gruppen)
Fleece
9 May
15 May
0 wk
9 May
0 wk
Maize
Zea mays
Season too short
18 – 25 Apr
3-4 wk
16 May
1 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
20 – 27 Apr
13 Jun
3-4 wk
18 May
4 Jul
1 wk after
25 May
24 Jun
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
12 May
22 Jun
0 wk
12 May
12 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
24 Mar – 7 Apr
5 Jun
5-7 wk
12 May
10 Jul
0 wk
12 May
30 Jun
0 wk
Potato
Solanum tuberosum
Fleece
1 – 15 Apr
25 Apr
4-6 wk
13 May
23 May
0 wk
13 May
13 May
0 wk
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
24 Mar – 7 Apr
7 Jun
5-7 wk
12 May
12 Jul
0 wk
13 May
2 Jul
0 wk
Pumpkin
Cucurbita pepo
Season too short
25 Apr – 2 May
3-4 wk
23 May
2 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
Fleece
14 – 21 Apr
4 May
3-4 wk
12 May
25 May
0 wk
18 May
1 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
31 Mar – 14 Apr
17 Jun
4-6 wk
12 May
15 Jul
0 wk
Lettuce
Lactuca sativa
14 – 21 Apr
26 Jun
3-4 wk
12 May
17 Jul
0 wk
13 May
7 Jul
0 wk
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
31 Mar – 14 Apr
17 Jun
4-6 wk
12 May
15 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
Fleece
8 – 22 Apr
9 May
2-4 wk
6 May
23 May
1 wk before
6 May
13 May
1 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
Fleece
9 May
15 May
0 wk
9 May
0 wk
Spinach
Spinacia oleracea
14 – 21 Apr
19 Jul
3-4 wk
12 May
9 Aug
0 wk
9 May
30 Jul
0 wk
Sweet potato
Ipomoea batatas
6 – 20 Jun
4-6 wk
18 Jul
10 wk after
Garden tomato
Solanum lycopersicum
Season too short
21 Mar – 4 Apr
6-8 wk
16 May
1 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Season too short
18 Apr – 2 May
2-4 wk
16 May
1 wk after
25 May
2 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
31 Mar – 14 Apr
17 Jun
4-6 wk
12 May
15 Jul
0 wk
Garden pea
Pisum sativum
14 – 21 Apr
11 Jun
3-4 wk
12 May
2 Jul
0 wk
13 May
22 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
11 – 25 Apr
4-6 wk
23 May
2 wk after
Lemon balm
Melissa officinalis
3 – 17 Mar
7 May
8-10 wk
12 May
2 Jul
0 wk
6 Jun
22 Jun
4 wk after
Dill
Anethum graveolens
13 May
4 Jul
0 wk
Wild chives
Allium schoenoprasum
17 – 31 Mar
29 May
6-8 wk
12 May
10 Jul
0 wk
13 May
30 Jun
0 wk
Spearmint
Mentha spicata
17 Feb – 17 Mar
15 May
8-12 wk
12 May
10 Jul
0 wk
6 Jun
30 Jun
4 wk after
Coriander
Coriandrum sativum
12 May
24 Jul
0 wk
25 May
14 Jul
2 wk after
Garden sage
Salvia officinalis
9 – 23 Mar
30 Apr
8-10 wk
18 May
25 Jun
1 wk after
Common thyme
Thymus vulgaris
3 – 17 Mar
5 May
8-10 wk
12 May
30 Jun
0 wk
Oregano
Origanum vulgare
17 – 31 Mar
19 May
6-8 wk
12 May
30 Jun
0 wk
6 Jun
20 Jun
4 wk after
Parsley
Petroselinum crispum
17 – 31 Mar
19 May
6-8 wk
12 May
30 Jun
0 wk
13 May
20 Jun
0 wk
Rosemary
Salvia rosmarinus
Fleece
3 Feb – 3 Mar
18 Mar
10-14 wk
12 May
27 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
25 Apr – 2 May
3-4 wk
23 May
2 wk after
Cornflower
Centaurea cyanus
12 May
10 Jul
0 wk
13 May
30 Jun
0 wk
Statice
Limonium sinuatum
Season too short
7 – 21 Mar
16 Mar
8-10 wk
16 May
1 wk after
Sweet William
Dianthus barbatus
17 – 31 Mar
6-8 wk
12 May
0 wk
22 May
1 wk after
Snow-on-the-mountain
Euphorbia marginata
Season too short
21 Mar – 4 Apr
30 Mar
6-8 wk
16 May
1 wk after
13 Jun
5 wk after
Pinnate dahlia
Dahlia × pinnata
Greenhouse
17 – 31 Mar
10 Apr
6-8 wk
12 May
22 May
0 wk
Pinnate dahlia (tubers)
Dahlia × pinnata
Greenhouse
23 Mar – 20 Apr
24 Apr
4-8 wk
18 May
22 May
1 wk after
18 May
1 wk after
Foxglove
Digitalis purpurea
3 – 17 Mar
8-10 wk
12 May
0 wk
25 May
2 wk after
Busy lizzie
Impatiens walleriana
Greenhouse
28 Feb – 28 Mar
3 May
8-12 wk
23 May
28 Jun
2 wk after
Creeping zinnia
Sanvitalia procumbens
Greenhouse
21 Mar – 4 Apr
9 Apr
6-8 wk
16 May
21 May
1 wk after
Hyacinth bean
Dolichos lablab
Season too short
20 Apr – 4 May
4-6 wk
1 Jun
3 wk after
Chinese lantern
Physalis alkekengi
Fleece
3 – 17 Mar
7 Apr
8-10 wk
12 May
2 Jun
0 wk
Love in a mist
Nigella damascena
12 May
17 Jun
0 wk
13 May
7 Jun
0 wk
Strawflower
Xerochrysum bracteatum
Season too short
21 Mar – 4 Apr
6-8 wk
16 May
1 wk after
13 Jun
5 wk after
Purple-top vervain
Verbena bonariensis
Fleece
17 Feb – 17 Mar
7 Apr
8-12 wk
12 May
2 Jun
0 wk
Cardoon
Cynara cardunculus
Season too short
21 Feb – 21 Mar
16 Mar
8-12 wk
16 May
1 wk after
Regal-foxtail
Ptilotus nobilis
Season too short
28 Feb – 28 Mar
8-12 wk
23 May
2 wk after
Globe amaranth
Gomphrena globosa
Season too short
28 Mar – 11 Apr
6-8 wk
23 May
2 wk after
Corn poppy
Papaver rhoeas
12 May
2 Jul
0 wk
13 May
22 Jun
0 wk
Snapdragon
Antirrhinum majus
17 Feb – 17 Mar
27 Apr
8-12 wk
12 May
22 Jun
0 wk
22 May
12 Jun
1 wk after
Flossflower
Ageratum houstonianum
Season too short
14 – 28 Mar
26 Mar
8-10 wk
23 May
2 wk after
Sweet pea
Lathyrus odoratus
17 Mar – 7 Apr
26 May
5-8 wk
12 May
30 Jun
0 wk
Stock
Matthiola incana
17 – 31 Mar
21 May
6-8 wk
12 May
2 Jul
0 wk
25 May
22 Jun
2 wk after
Wormwood
Artemisia absinthium
17 – 31 Mar
29 Apr
6-8 wk
12 May
10 Jun
0 wk
25 May
31 May
2 wk after
Mexican sunflower
Tithonia rotundifolia
Season too short
11 – 25 Apr
4-6 wk
23 May
2 wk after
Garden pansy
Viola × wittrockiana
3 – 17 Mar
15 May
8-10 wk
12 May
10 Jul
0 wk
22 May
30 Jun
1 wk after
Petunia
Petunia
Season too short
21 Feb – 21 Mar
16 Mar
8-12 wk
16 May
1 wk after
Sweet Scabious
Scabiosa atropurpurea
Fleece
17 – 31 Mar
21 Apr
6-8 wk
12 May
2 Jun
0 wk
6 Jun
4 wk after
Common zinnia
Zinnia elegans
Season too short
4 – 18 Apr
15 Apr
4-6 wk
16 May
1 wk after
Common morning glory
Ipomoea purpurea
Season too short
18 Apr – 2 May
3-5 wk
23 May
2 wk after
Garden cosmos
Cosmos bipinnatus
Greenhouse
4 – 18 Apr
24 Apr
4-6 wk
16 May
22 May
1 wk after
25 May
2 wk after
Scarlet milkweed
Asclepias curassavica
Season too short
9 Mar – 6 Apr
8-12 wk
1 Jun
3 wk after
Bee balm
Monarda didyma
17 Feb – 17 Mar
7 Apr
8-12 wk
12 May
2 Jun
0 wk
6 Jun
4 wk after
Yarrow
Achillea millefolium
17 – 31 Mar
30 Mar
6-8 wk
12 May
0 wk
25 May
2 wk after
Safflower
Carthamus tinctorius
12 May
10 Jun
0 wk
13 May
31 May
0 wk
Iceland poppy
Papaver nudicaule
Season too short
17 – 31 Mar
19 May
6-8 wk
12 May
30 Jun
0 wk
26 Apr
20 Jun
2 wk before
Bishop's flower
Ammi majus
31 Mar – 14 Apr
25 May
4-6 wk
12 May
22 Jun
0 wk
25 May
12 Jun
2 wk after
Drumsticks
Pycnosorus globosus
Season too short
28 Feb – 14 Mar
10-12 wk
23 May
2 wk after
Sunflower
Helianthus annuus
Fleece
25 Apr – 2 May
26 May
3-4 wk
23 May
16 Jun
2 wk after
25 May
6 Jun
2 wk after
China aster
Callistephus chinensis
Fleece
28 Mar – 11 Apr
15 May
6-8 wk
23 May
26 Jun
2 wk after
6 Jun
16 Jun
4 wk after
Annual phlox
Phlox drummondii
Greenhouse
17 – 31 Mar
9 Apr
6-8 wk
12 May
21 May
0 wk
25 May
2 wk after
Hollyhock
Alcea rosea
17 – 31 Mar
6-8 wk
12 May
0 wk
25 May
2 wk after
Alpine delphinium
Delphinium elatum
17 Feb – 17 Mar
7 Apr
8-12 wk
12 May
2 Jun
0 wk
6 Jun
4 wk after
African marigold
Tagetes erecta
Greenhouse
21 Mar – 4 Apr
9 Apr
6-8 wk
16 May
21 May
1 wk after
Black-eyed Susan
Rudbeckia hirta
23 Mar – 6 Apr
20 Apr
6-8 wk
18 May
1 Jun
1 wk after
24 Jun
6 wk after
Wood sage
Salvia nemorosa
3 – 17 Mar
28 Mar
8-10 wk
12 May
23 May
0 wk
6 Jun
4 wk after
Black-eyed susan vine
Thunbergia alata
Season too short
14 Mar – 11 Apr
6-10 wk
23 May
2 wk after
California goldenpoppy
Eschscholzia californica
12 May
26 Jun
0 wk
13 May
16 Jun
0 wk
Painted tongue
Salpiglossis sinuata
Fleece
14 – 28 Mar
19 Apr
8-10 wk
23 May
14 Jun
2 wk after
Water forget-me-not
Myosotis scorpioides
17 – 31 Mar
29 Apr
6-8 wk
12 May
10 Jun
0 wk
25 May
31 May
2 wk after