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-0.4°
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) 20 May Frost 3 of 4 years · 20 years of data
Frost-free season 98 days 20 May – 26 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)
1 – 15 Apr
15 Jun
5-7 wk
20 May
20 Jul
0 wk
24 May
10 Jul
1 wk after
Broccoli
Brassica oleracea (Italica-gruppen)
8 – 22 Apr
27 Jun
4-6 wk
20 May
25 Jul
0 wk
24 May
15 Jul
1 wk after
Chili pepper
Capsicum annuum
Season too short
12 Mar – 9 Apr
8-12 wk
4 Jun
2 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
1 – 15 Apr
10 Jun
5-7 wk
20 May
15 Jul
0 wk
20 May
5 Jul
0 wk
Garden cucumber
Cucumis sativus
Greenhouse
7 – 14 May
29 May
3-4 wk
4 Jun
19 Jun
2 wk after
Florence Fennel
Foeniculum vulgare
Fleece
12 – 19 May
21 May
4-5 wk
16 Jun
18 Jun
4 wk after
24 Jun
5 wk after
Butter bean
Phaseolus lunatus
Season too short
9 – 16 Jun
3-4 wk
7 Jul
7 wk after
Onion
Allium cepa (Cepa-gruppen)
25 Feb – 25 Mar
15 Mar
8-12 wk
20 May
0 wk
10 Jun
3 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
24 May
30 May
1 wk after
24 May
1 wk after
Maize
Zea mays
Greenhouse
23 – 30 Apr
19 May
3-4 wk
21 May
9 Jun
0 wk
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
30 Apr – 7 May
17 Jun
3-4 wk
28 May
8 Jul
1 wk after
10 Jun
28 Jun
3 wk after
Carrot
Daucus carota subsp. sativus var. sativus
20 May
30 Jun
0 wk
20 May
20 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
1 – 15 Apr
10 Jun
5-7 wk
20 May
15 Jul
0 wk
20 May
5 Jul
0 wk
Potato
Solanum tuberosum
24 Apr – 8 May
14 May
4-6 wk
5 Jun
11 Jun
2 wk after
5 Jun
2 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
1 – 15 Apr
15 Jun
5-7 wk
20 May
20 Jul
0 wk
24 May
10 Jul
1 wk after
Pumpkin
Cucurbita pepo
Fleece
19 – 26 May
3 Jun
3-4 wk
16 Jun
24 Jun
4 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
30 Apr – 7 May
18 May
3-4 wk
28 May
8 Jun
1 wk after
10 Jun
3 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
8 – 22 Apr
22 Jun
4-6 wk
20 May
20 Jul
0 wk
Lettuce
Lactuca sativa
22 – 29 Apr
4 Jul
3-4 wk
20 May
25 Jul
0 wk
24 May
15 Jul
1 wk after
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
8 – 22 Apr
22 Jun
4-6 wk
20 May
20 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
22 Apr – 6 May
21 May
2-4 wk
20 May
4 Jun
0 wk
20 May
25 May
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
24 May
30 May
1 wk after
24 May
1 wk after
Spinach
Spinacia oleracea
22 – 29 Apr
24 Jul
3-4 wk
20 May
14 Aug
0 wk
16 May
4 Aug
1 wk before
Sweet potato
Ipomoea batatas
21 Jun – 5 Jul
4-6 wk
2 Aug
11 wk after
Garden tomato
Solanum lycopersicum
Greenhouse
26 Mar – 9 Apr
28 Apr
6-8 wk
21 May
9 Jun
0 wk
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Fleece
7 – 21 May
5 Jun
2-4 wk
4 Jun
19 Jun
2 wk after
24 Jun
5 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
8 – 22 Apr
22 Jun
4-6 wk
20 May
20 Jul
0 wk
Garden pea
Pisum sativum
22 – 29 Apr
19 Jun
3-4 wk
20 May
10 Jul
0 wk
24 May
30 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
Fleece
5 – 19 May
12 May
4-6 wk
16 Jun
4 wk after
Lemon balm
Melissa officinalis
11 – 25 Mar
15 May
8-10 wk
20 May
10 Jul
0 wk
24 Jun
30 Jun
5 wk after
Dill
Anethum graveolens
24 May
8 Jul
1 wk after
Wild chives
Allium schoenoprasum
25 Mar – 8 Apr
3 Jun
6-8 wk
20 May
15 Jul
0 wk
24 May
5 Jul
1 wk after
Spearmint
Mentha spicata
25 Feb – 25 Mar
20 May
8-12 wk
20 May
15 Jul
0 wk
24 Jun
5 Jul
5 wk after
Coriander
Coriandrum sativum
20 May
28 Jul
0 wk
10 Jun
18 Jul
3 wk after
Garden sage
Salvia officinalis
19 Mar – 2 Apr
5 May
8-10 wk
28 May
30 Jun
1 wk after
Common thyme
Thymus vulgaris
11 – 25 Mar
10 May
8-10 wk
20 May
5 Jul
0 wk
Oregano
Origanum vulgare
25 Mar – 8 Apr
24 May
6-8 wk
20 May
5 Jul
0 wk
24 Jun
25 Jun
5 wk after
Parsley
Petroselinum crispum
25 Mar – 8 Apr
24 May
6-8 wk
20 May
5 Jul
0 wk
24 May
25 Jun
1 wk after
Rosemary
Salvia rosmarinus
19 Feb – 19 Mar
12 Mar
10-14 wk
28 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
19 – 26 May
19 May
3-4 wk
16 Jun
4 wk after
Cornflower
Centaurea cyanus
20 May
15 Jul
0 wk
24 May
5 Jul
1 wk after
Statice
Limonium sinuatum
7 – 21 Apr
15 Apr
8-10 wk
16 Jun
4 wk after
Sweet William
Dianthus barbatus
25 Mar – 8 Apr
6-8 wk
20 May
0 wk
5 Jun
2 wk after
Snow-on-the-mountain
Euphorbia marginata
21 Apr – 5 May
29 Apr
6-8 wk
16 Jun
4 wk after
2 Aug
11 wk after
Pinnate dahlia
Dahlia × pinnata
13 – 27 Apr
3 May
6-8 wk
8 Jun
14 Jun
3 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
29 Apr – 27 May
17 May
4-8 wk
24 Jun
5 wk after
24 Jun
5 wk after
Foxglove
Digitalis purpurea
11 – 25 Mar
8-10 wk
20 May
0 wk
10 Jun
3 wk after
Busy lizzie
Impatiens walleriana
9 Apr – 7 May
30 May
8-12 wk
2 Jul
25 Jul
6 wk after
Creeping zinnia
Sanvitalia procumbens
21 Apr – 5 May
9 May
6-8 wk
16 Jun
20 Jun
4 wk after
Hyacinth bean
Dolichos lablab
Season too short
5 – 19 May
4-6 wk
16 Jun
4 wk after
Chinese lantern
Physalis alkekengi
19 Mar – 2 Apr
3 Apr
8-10 wk
28 May
29 May
1 wk after
Love in a mist
Nigella damascena
20 May
25 Jun
0 wk
24 May
15 Jun
1 wk after
Strawflower
Xerochrysum bracteatum
Fleece
9 – 23 Apr
27 Apr
6-8 wk
4 Jun
8 Jun
2 wk after
18 Jul
8 wk after
Purple-top vervain
Verbena bonariensis
5 Mar – 2 Apr
3 Apr
8-12 wk
28 May
29 May
1 wk after
Cardoon
Cynara cardunculus
Greenhouse
26 Feb – 26 Mar
21 Mar
8-12 wk
21 May
0 wk
Regal-foxtail
Ptilotus nobilis
Greenhouse
12 Mar – 9 Apr
19 Apr
8-12 wk
4 Jun
14 Jun
2 wk after
Globe amaranth
Gomphrena globosa
Greenhouse
9 – 23 Apr
3 May
6-8 wk
4 Jun
14 Jun
2 wk after
Corn poppy
Papaver rhoeas
20 May
10 Jul
0 wk
24 May
30 Jun
1 wk after
Snapdragon
Antirrhinum majus
25 Feb – 25 Mar
5 May
8-12 wk
20 May
30 Jun
0 wk
5 Jun
20 Jun
2 wk after
Flossflower
Ageratum houstonianum
Fleece
7 – 21 Apr
3 May
8-10 wk
16 Jun
28 Jun
4 wk after
Sweet pea
Lathyrus odoratus
25 Mar – 15 Apr
31 May
5-8 wk
20 May
5 Jul
0 wk
Stock
Matthiola incana
25 Mar – 8 Apr
29 May
6-8 wk
20 May
10 Jul
0 wk
10 Jun
30 Jun
3 wk after
Wormwood
Artemisia absinthium
25 Mar – 8 Apr
4 May
6-8 wk
20 May
15 Jun
0 wk
10 Jun
3 wk after
Mexican sunflower
Tithonia rotundifolia
Greenhouse
23 Apr – 7 May
12 May
4-6 wk
4 Jun
9 Jun
2 wk after
Garden pansy
Viola × wittrockiana
11 – 25 Mar
20 May
8-10 wk
20 May
15 Jul
0 wk
5 Jun
5 Jul
2 wk after
Petunia
Petunia
24 Mar – 21 Apr
15 Apr
8-12 wk
16 Jun
4 wk after
Sweet Scabious
Scabiosa atropurpurea
2 – 16 Apr
17 Apr
6-8 wk
28 May
29 May
1 wk after
8 Jul
7 wk after
Common zinnia
Zinnia elegans
5 – 19 May
12 May
4-6 wk
16 Jun
4 wk after
Common morning glory
Ipomoea purpurea
Fleece
12 – 26 May
19 May
3-5 wk
16 Jun
4 wk after
Garden cosmos
Cosmos bipinnatus
5 – 19 May
17 May
4-6 wk
16 Jun
4 wk after
8 Jul
7 wk after
Scarlet milkweed
Asclepias curassavica
Greenhouse
24 Mar – 21 Apr
19 May
8-12 wk
16 Jun
14 Jul
4 wk after
Bee balm
Monarda didyma
25 Feb – 25 Mar
15 Apr
8-12 wk
20 May
10 Jun
0 wk
24 Jun
5 wk after
Yarrow
Achillea millefolium
25 Mar – 8 Apr
4 Apr
6-8 wk
20 May
0 wk
10 Jun
3 wk after
Safflower
Carthamus tinctorius
20 May
15 Jun
0 wk
24 May
5 Jun
1 wk after
Iceland poppy
Papaver nudicaule
Season too short
25 Mar – 8 Apr
24 May
6-8 wk
20 May
5 Jul
0 wk
2 May
25 Jun
3 wk before
Bishop's flower
Ammi majus
8 – 22 Apr
2 Jun
4-6 wk
20 May
30 Jun
0 wk
10 Jun
20 Jun
3 wk after
Drumsticks
Pycnosorus globosus
Greenhouse
12 – 26 Mar
23 Mar
10-12 wk
4 Jun
2 wk after
Sunflower
Helianthus annuus
19 – 26 May
20 May
3-4 wk
16 Jun
4 wk after
24 Jun
5 wk after
China aster
Callistephus chinensis
21 Apr – 5 May
9 May
6-8 wk
16 Jun
20 Jun
4 wk after
8 Jul
7 wk after
Annual phlox
Phlox drummondii
9 – 23 Apr
9 May
6-8 wk
4 Jun
20 Jun
2 wk after
8 Jul
7 wk after
Hollyhock
Alcea rosea
25 Mar – 8 Apr
6-8 wk
20 May
0 wk
10 Jun
3 wk after
Alpine delphinium
Delphinium elatum
25 Feb – 25 Mar
15 Apr
8-12 wk
20 May
10 Jun
0 wk
24 Jun
5 wk after
African marigold
Tagetes erecta
21 Apr – 5 May
9 May
6-8 wk
16 Jun
20 Jun
4 wk after
Black-eyed Susan
Rudbeckia hirta
2 – 16 Apr
29 Apr
6-8 wk
28 May
10 Jun
1 wk after
8 Jul
7 wk after
Wood sage
Salvia nemorosa
11 – 25 Mar
5 Apr
8-10 wk
20 May
31 May
0 wk
24 Jun
5 wk after
Black-eyed susan vine
Thunbergia alata
Fleece
7 Apr – 5 May
28 Apr
6-10 wk
16 Jun
4 wk after
California goldenpoppy
Eschscholzia californica
20 May
4 Jul
0 wk
24 May
24 Jun
1 wk after
Painted tongue
Salpiglossis sinuata
Fleece
26 Mar – 9 Apr
23 Apr
8-10 wk
4 Jun
18 Jun
2 wk after
Water forget-me-not
Myosotis scorpioides
25 Mar – 8 Apr
4 May
6-8 wk
20 May
15 Jun
0 wk
10 Jun
3 wk after