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-0.9°
Slight frost tomorrow at 23:00. Frost temperatures between tomorrow 22:00 – 23:00. Bring in or cover sensitive plants
Method
Rel. frost
Last spring frost (0°C) 8 May Frost 9 of 10 years · 20 years of data
Frost-free season 105 days 8 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)
20 Mar – 3 Apr
15 Jun
5-7 wk
8 May
20 Jul
0 wk
12 May
10 Jul
1 wk after
Broccoli
Brassica oleracea (Italica-gruppen)
27 Mar – 10 Apr
27 Jun
4-6 wk
8 May
25 Jul
0 wk
12 May
15 Jul
1 wk after
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)
20 Mar – 3 Apr
10 Jun
5-7 wk
8 May
15 Jul
0 wk
8 May
5 Jul
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
30 Apr – 7 May
17 May
4-5 wk
4 Jun
14 Jun
4 wk after
12 Jun
5 wk after
Butter bean
Phaseolus lunatus
Season too short
28 May – 4 Jun
3-4 wk
25 Jun
7 wk after
Onion
Allium cepa (Cepa-gruppen)
13 Feb – 13 Mar
11 Mar
8-12 wk
8 May
0 wk
29 May
3 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
12 May
26 May
1 wk after
12 May
16 May
1 wk after
Maize
Zea mays
Season too short
11 – 18 Apr
3-4 wk
9 May
0 wk
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
18 – 25 Apr
13 Jun
3-4 wk
16 May
4 Jul
1 wk after
29 May
24 Jun
3 wk after
Carrot
Daucus carota subsp. sativus var. sativus
8 May
24 Jun
0 wk
8 May
14 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
20 Mar – 3 Apr
10 Jun
5-7 wk
8 May
15 Jul
0 wk
8 May
5 Jul
0 wk
Potato
Solanum tuberosum
12 – 26 Apr
7 May
4-6 wk
24 May
4 Jun
2 wk after
24 May
25 May
2 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
20 Mar – 3 Apr
9 Jun
5-7 wk
8 May
14 Jul
0 wk
12 May
4 Jul
1 wk after
Pumpkin
Cucurbita pepo
Season too short
25 Apr – 2 May
3-4 wk
23 May
2 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
18 – 25 Apr
14 May
3-4 wk
16 May
4 Jun
1 wk after
29 May
3 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
27 Mar – 10 Apr
22 Jun
4-6 wk
8 May
20 Jul
0 wk
Lettuce
Lactuca sativa
10 – 17 Apr
28 Jun
3-4 wk
8 May
19 Jul
0 wk
12 May
9 Jul
1 wk after
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
27 Mar – 10 Apr
22 Jun
4-6 wk
8 May
20 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
10 – 24 Apr
14 May
2-4 wk
8 May
28 May
0 wk
8 May
18 May
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
12 May
26 May
1 wk after
12 May
16 May
1 wk after
Spinach
Spinacia oleracea
10 – 17 Apr
22 Jul
3-4 wk
8 May
12 Aug
0 wk
4 May
2 Aug
1 wk before
Sweet potato
Ipomoea batatas
9 – 23 Jun
4-6 wk
21 Jul
11 wk after
Garden tomato
Solanum lycopersicum
Season too short
14 – 28 Mar
6-8 wk
9 May
0 wk
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Season too short
11 – 25 Apr
2-4 wk
9 May
0 wk
29 May
3 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
27 Mar – 10 Apr
22 Jun
4-6 wk
8 May
20 Jul
0 wk
Garden pea
Pisum sativum
10 – 17 Apr
13 Jun
3-4 wk
8 May
4 Jul
0 wk
12 May
24 Jun
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
11 – 25 Apr
4-6 wk
23 May
2 wk after
Lemon balm
Melissa officinalis
27 Feb – 13 Mar
9 May
8-10 wk
8 May
4 Jul
0 wk
12 Jun
24 Jun
5 wk after
Dill
Anethum graveolens
12 May
4 Jul
1 wk after
Wild chives
Allium schoenoprasum
13 – 27 Mar
3 Jun
6-8 wk
8 May
15 Jul
0 wk
12 May
5 Jul
1 wk after
Spearmint
Mentha spicata
13 Feb – 13 Mar
20 May
8-12 wk
8 May
15 Jul
0 wk
12 Jun
5 Jul
5 wk after
Coriander
Coriandrum sativum
8 May
24 Jul
0 wk
29 May
14 Jul
3 wk after
Garden sage
Salvia officinalis
7 – 21 Mar
5 May
8-10 wk
16 May
30 Jun
1 wk after
Common thyme
Thymus vulgaris
27 Feb – 13 Mar
10 May
8-10 wk
8 May
5 Jul
0 wk
Oregano
Origanum vulgare
13 – 27 Mar
24 May
6-8 wk
8 May
5 Jul
0 wk
12 Jun
25 Jun
5 wk after
Parsley
Petroselinum crispum
13 – 27 Mar
24 May
6-8 wk
8 May
5 Jul
0 wk
12 May
25 Jun
1 wk after
Rosemary
Salvia rosmarinus
Fleece
30 Jan – 27 Feb
23 Mar
10-14 wk
8 May
1 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
Season too short
25 Apr – 2 May
3-4 wk
23 May
2 wk after
Cornflower
Centaurea cyanus
8 May
15 Jul
0 wk
12 May
5 Jul
1 wk after
Statice
Limonium sinuatum
Season too short
28 Feb – 14 Mar
8-10 wk
9 May
0 wk
Sweet William
Dianthus barbatus
13 – 27 Mar
6-8 wk
8 May
0 wk
24 May
2 wk after
Snow-on-the-mountain
Euphorbia marginata
Season too short
14 – 28 Mar
6-8 wk
9 May
0 wk
18 Jun
6 wk after
Pinnate dahlia
Dahlia × pinnata
Greenhouse
13 – 27 Mar
3 Apr
6-8 wk
8 May
15 May
0 wk
Pinnate dahlia (tubers)
Dahlia × pinnata
Greenhouse
23 Mar – 20 Apr
17 Apr
4-8 wk
18 May
1 wk after
18 May
1 wk after
Foxglove
Digitalis purpurea
27 Feb – 13 Mar
8-10 wk
8 May
0 wk
29 May
3 wk after
Busy lizzie
Impatiens walleriana
Season too short
28 Feb – 28 Mar
29 Mar
8-12 wk
23 May
24 May
2 wk after
Creeping zinnia
Sanvitalia procumbens
Season too short
14 – 28 Mar
17 Mar
6-8 wk
9 May
0 wk
Hyacinth bean
Dolichos lablab
Season too short
23 Apr – 7 May
4-6 wk
4 Jun
4 wk after
Chinese lantern
Physalis alkekengi
7 – 21 Mar
30 Mar
8-10 wk
16 May
25 May
1 wk after
Love in a mist
Nigella damascena
8 May
19 Jun
0 wk
12 May
9 Jun
1 wk after
Strawflower
Xerochrysum bracteatum
Season too short
14 – 28 Mar
6-8 wk
9 May
0 wk
18 Jun
6 wk after
Purple-top vervain
Verbena bonariensis
21 Feb – 21 Mar
30 Mar
8-12 wk
16 May
25 May
1 wk after
Cardoon
Cynara cardunculus
Greenhouse
14 Feb – 14 Mar
19 Mar
8-12 wk
9 May
14 May
0 wk
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
8 May
4 Jul
0 wk
12 May
24 Jun
1 wk after
Snapdragon
Antirrhinum majus
13 Feb – 13 Mar
29 Apr
8-12 wk
8 May
24 Jun
0 wk
24 May
14 Jun
2 wk after
Flossflower
Ageratum houstonianum
Season too short
14 – 28 Mar
8-10 wk
23 May
2 wk after
Sweet pea
Lathyrus odoratus
13 Mar – 3 Apr
31 May
5-8 wk
8 May
5 Jul
0 wk
Stock
Matthiola incana
13 – 27 Mar
23 May
6-8 wk
8 May
4 Jul
0 wk
29 May
24 Jun
3 wk after
Wormwood
Artemisia absinthium
13 – 27 Mar
4 May
6-8 wk
8 May
15 Jun
0 wk
29 May
5 Jun
3 wk after
Mexican sunflower
Tithonia rotundifolia
Season too short
11 – 25 Apr
4-6 wk
23 May
2 wk after
Garden pansy
Viola × wittrockiana
27 Feb – 13 Mar
20 May
8-10 wk
8 May
15 Jul
0 wk
24 May
5 Jul
2 wk after
Petunia
Petunia
Season too short
14 Feb – 14 Mar
21 Feb
8-12 wk
9 May
0 wk
Sweet Scabious
Scabiosa atropurpurea
21 Mar – 4 Apr
13 Apr
6-8 wk
16 May
25 May
1 wk after
26 Jun
7 wk after
Common zinnia
Zinnia elegans
Season too short
28 Mar – 11 Apr
4-6 wk
9 May
0 wk
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
28 Mar – 11 Apr
17 Apr
4-6 wk
9 May
15 May
0 wk
29 May
3 wk after
Scarlet milkweed
Asclepias curassavica
Season too short
12 Mar – 9 Apr
8-12 wk
4 Jun
4 wk after
Bee balm
Monarda didyma
13 Feb – 13 Mar
9 Apr
8-12 wk
8 May
4 Jun
0 wk
12 Jun
5 wk after
Yarrow
Achillea millefolium
13 – 27 Mar
4 Apr
6-8 wk
8 May
16 May
0 wk
29 May
3 wk after
Safflower
Carthamus tinctorius
8 May
13 Jun
0 wk
12 May
3 Jun
1 wk after
Iceland poppy
Papaver nudicaule
Season too short
13 – 27 Mar
24 May
6-8 wk
8 May
5 Jul
0 wk
20 Apr
25 Jun
3 wk before
Bishop's flower
Ammi majus
27 Mar – 10 Apr
27 May
4-6 wk
8 May
24 Jun
0 wk
29 May
14 Jun
3 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
31 May
3-4 wk
23 May
21 Jun
2 wk after
29 May
11 Jun
3 wk after
China aster
Callistephus chinensis
9 – 23 Apr
29 Apr
6-8 wk
4 Jun
10 Jun
4 wk after
26 Jun
7 wk after
Annual phlox
Phlox drummondii
Season too short
13 – 27 Mar
17 Mar
6-8 wk
8 May
0 wk
29 May
3 wk after
Hollyhock
Alcea rosea
13 – 27 Mar
6-8 wk
8 May
0 wk
29 May
3 wk after
Alpine delphinium
Delphinium elatum
13 Feb – 13 Mar
9 Apr
8-12 wk
8 May
4 Jun
0 wk
12 Jun
5 wk after
African marigold
Tagetes erecta
Season too short
14 – 28 Mar
17 Mar
6-8 wk
9 May
0 wk
Black-eyed Susan
Rudbeckia hirta
21 Mar – 4 Apr
19 Apr
6-8 wk
16 May
31 May
1 wk after
26 Jun
7 wk after
Wood sage
Salvia nemorosa
27 Feb – 13 Mar
30 Mar
8-10 wk
8 May
25 May
0 wk
12 Jun
5 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
8 May
1 Jul
0 wk
12 May
21 Jun
1 wk after
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
13 – 27 Mar
4 May
6-8 wk
8 May
15 Jun
0 wk
29 May
5 Jun
3 wk after