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-1.3°
Slight frost tonight at 03:00. Frost temperatures between 23:00 – tomorrow 06:00. Bring in or cover sensitive plants
Method
Rel. frost
Last spring frost (0°C) 21 May Frost 9 of 10 years · 20 years of data
Frost-free season 53 days 21 May – 13 Jul
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)
2 – 16 Apr
15 Jun
5-7 wk
21 May
20 Jul
0 wk
25 May
10 Jul
1 wk after
Broccoli
Brassica oleracea (Italica-gruppen)
9 – 23 Apr
27 Jun
4-6 wk
21 May
25 Jul
0 wk
25 May
15 Jul
1 wk after
Chili pepper
Capsicum annuum
Season too short
13 Mar – 10 Apr
8-12 wk
5 Jun
2 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
2 – 16 Apr
10 Jun
5-7 wk
21 May
15 Jul
0 wk
21 May
5 Jul
0 wk
Garden cucumber
Cucumis sativus
Season too short
8 – 15 May
3-4 wk
5 Jun
2 wk after
Florence Fennel
Foeniculum vulgare
Fleece
13 – 20 May
14 May
4-5 wk
17 Jun
4 wk after
25 Jun
5 wk after
Butter bean
Phaseolus lunatus
Season too short
10 – 17 Jun
3-4 wk
8 Jul
7 wk after
Onion
Allium cepa (Cepa-gruppen)
Fleece
26 Feb – 26 Mar
13 Mar
8-12 wk
21 May
0 wk
31 May
1 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
25 May
1 wk after
25 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)
1 – 8 May
10 Jun
3-4 wk
29 May
1 Jul
1 wk after
11 Jun
21 Jun
3 wk after
Carrot
Daucus carota subsp. sativus var. sativus
21 May
25 Jun
0 wk
21 May
15 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
2 – 16 Apr
10 Jun
5-7 wk
21 May
15 Jul
0 wk
21 May
5 Jul
0 wk
Potato
Solanum tuberosum
25 Apr – 9 May
4 May
4-6 wk
6 Jun
2 wk after
6 Jun
2 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
2 – 16 Apr
10 Jun
5-7 wk
21 May
15 Jul
0 wk
25 May
5 Jul
1 wk after
Pumpkin
Cucurbita pepo
Season too short
8 – 15 May
3-4 wk
5 Jun
2 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
1 – 8 May
3 May
3-4 wk
29 May
1 wk after
11 Jun
3 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
9 – 23 Apr
22 Jun
4-6 wk
21 May
20 Jul
0 wk
Lettuce
Lactuca sativa
23 – 30 Apr
29 Jun
3-4 wk
21 May
20 Jul
0 wk
25 May
10 Jul
1 wk after
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
9 – 23 Apr
22 Jun
4-6 wk
21 May
20 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
23 Apr – 7 May
13 May
2-4 wk
21 May
27 May
0 wk
21 May
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
25 May
1 wk after
25 May
1 wk after
Spinach
Spinacia oleracea
23 – 30 Apr
23 Jul
3-4 wk
21 May
13 Aug
0 wk
17 May
3 Aug
1 wk before
Sweet potato
Ipomoea batatas
22 Jun – 6 Jul
4-6 wk
3 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
11 Jun
3 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
9 – 23 Apr
22 Jun
4-6 wk
21 May
20 Jul
0 wk
Garden pea
Pisum sativum
23 – 30 Apr
14 Jun
3-4 wk
21 May
5 Jul
0 wk
25 May
25 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
24 Apr – 8 May
4-6 wk
5 Jun
2 wk after
Lemon balm
Melissa officinalis
12 – 26 Mar
10 May
8-10 wk
21 May
5 Jul
0 wk
25 Jun
25 Jun
5 wk after
Dill
Anethum graveolens
25 May
1 Jul
1 wk after
Wild chives
Allium schoenoprasum
26 Mar – 9 Apr
3 Jun
6-8 wk
21 May
15 Jul
0 wk
25 May
5 Jul
1 wk after
Spearmint
Mentha spicata
26 Feb – 26 Mar
20 May
8-12 wk
21 May
15 Jul
0 wk
25 Jun
5 Jul
5 wk after
Coriander
Coriandrum sativum
21 May
21 Jul
0 wk
11 Jun
11 Jul
3 wk after
Garden sage
Salvia officinalis
20 Mar – 3 Apr
5 May
8-10 wk
29 May
30 Jun
1 wk after
Common thyme
Thymus vulgaris
12 – 26 Mar
10 May
8-10 wk
21 May
5 Jul
0 wk
Oregano
Origanum vulgare
26 Mar – 9 Apr
24 May
6-8 wk
21 May
5 Jul
0 wk
25 Jun
25 Jun
5 wk after
Parsley
Petroselinum crispum
26 Mar – 9 Apr
24 May
6-8 wk
21 May
5 Jul
0 wk
25 May
25 Jun
1 wk after
Rosemary
Salvia rosmarinus
Fleece
12 Feb – 12 Mar
17 Mar
10-14 wk
21 May
26 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
8 – 15 May
3-4 wk
5 Jun
2 wk after
Cornflower
Centaurea cyanus
21 May
15 Jul
0 wk
25 May
5 Jul
1 wk after
Statice
Limonium sinuatum
Season too short
13 – 27 Mar
8-10 wk
22 May
0 wk
Sweet William
Dianthus barbatus
26 Mar – 9 Apr
6-8 wk
21 May
0 wk
6 Jun
2 wk after
Snow-on-the-mountain
Euphorbia marginata
Season too short
27 Mar – 10 Apr
6-8 wk
22 May
0 wk
1 Jul
6 wk after
Pinnate dahlia
Dahlia × pinnata
Season too short
26 Mar – 9 Apr
6-8 wk
21 May
0 wk
Pinnate dahlia (tubers)
Dahlia × pinnata
Season too short
5 Apr – 3 May
4-8 wk
31 May
1 wk after
31 May
1 wk after
Foxglove
Digitalis purpurea
12 – 26 Mar
8-10 wk
21 May
0 wk
11 Jun
3 wk after
Busy lizzie
Impatiens walleriana
Season too short
13 Mar – 10 Apr
27 Mar
8-12 wk
5 Jun
2 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
6 – 20 May
4-6 wk
17 Jun
4 wk after
Chinese lantern
Physalis alkekengi
20 Mar – 3 Apr
27 Mar
8-10 wk
29 May
1 wk after
Love in a mist
Nigella damascena
21 May
20 Jun
0 wk
25 May
10 Jun
1 wk after
Strawflower
Xerochrysum bracteatum
Season too short
27 Mar – 10 Apr
6-8 wk
22 May
0 wk
1 Jul
6 wk after
Purple-top vervain
Verbena bonariensis
6 Mar – 3 Apr
27 Mar
8-12 wk
29 May
1 wk after
Cardoon
Cynara cardunculus
Greenhouse
27 Feb – 27 Mar
20 Mar
8-12 wk
22 May
0 wk
Regal-foxtail
Ptilotus nobilis
Season too short
13 Mar – 10 Apr
8-12 wk
5 Jun
2 wk after
Globe amaranth
Gomphrena globosa
Season too short
10 – 24 Apr
6-8 wk
5 Jun
2 wk after
Corn poppy
Papaver rhoeas
21 May
5 Jul
0 wk
25 May
25 Jun
1 wk after
Snapdragon
Antirrhinum majus
26 Feb – 26 Mar
30 Apr
8-12 wk
21 May
25 Jun
0 wk
6 Jun
15 Jun
2 wk after
Flossflower
Ageratum houstonianum
Season too short
27 Mar – 10 Apr
8-10 wk
5 Jun
2 wk after
Sweet pea
Lathyrus odoratus
26 Mar – 16 Apr
31 May
5-8 wk
21 May
5 Jul
0 wk
Stock
Matthiola incana
26 Mar – 9 Apr
24 May
6-8 wk
21 May
5 Jul
0 wk
11 Jun
25 Jun
3 wk after
Wormwood
Artemisia absinthium
26 Mar – 9 Apr
4 May
6-8 wk
21 May
15 Jun
0 wk
11 Jun
3 wk after
Mexican sunflower
Tithonia rotundifolia
Season too short
24 Apr – 8 May
4-6 wk
5 Jun
2 wk after
Garden pansy
Viola × wittrockiana
12 – 26 Mar
20 May
8-10 wk
21 May
15 Jul
0 wk
6 Jun
5 Jul
2 wk after
Petunia
Petunia
Season too short
27 Feb – 27 Mar
8-12 wk
22 May
0 wk
Sweet Scabious
Scabiosa atropurpurea
3 – 17 Apr
10 Apr
6-8 wk
29 May
1 wk after
9 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
1 – 15 May
3-5 wk
5 Jun
2 wk after
Garden cosmos
Cosmos bipinnatus
Season too short
10 – 24 Apr
4-6 wk
22 May
0 wk
11 Jun
3 wk after
Scarlet milkweed
Asclepias curassavica
Season too short
25 Mar – 22 Apr
8-12 wk
17 Jun
4 wk after
Bee balm
Monarda didyma
26 Feb – 26 Mar
10 Apr
8-12 wk
21 May
5 Jun
0 wk
25 Jun
5 wk after
Yarrow
Achillea millefolium
26 Mar – 9 Apr
4 Apr
6-8 wk
21 May
0 wk
11 Jun
3 wk after
Safflower
Carthamus tinctorius
21 May
14 Jun
0 wk
25 May
4 Jun
1 wk after
Iceland poppy
Papaver nudicaule
Season too short
26 Mar – 9 Apr
24 May
6-8 wk
21 May
5 Jul
0 wk
3 May
25 Jun
3 wk before
Bishop's flower
Ammi majus
9 – 23 Apr
28 May
4-6 wk
21 May
25 Jun
0 wk
11 Jun
15 Jun
3 wk after
Drumsticks
Pycnosorus globosus
Season too short
13 – 27 Mar
10-12 wk
5 Jun
2 wk after
Sunflower
Helianthus annuus
Fleece
8 – 15 May
25 May
3-4 wk
5 Jun
15 Jun
2 wk after
11 Jun
3 wk after
China aster
Callistephus chinensis
22 Apr – 6 May
25 Apr
6-8 wk
17 Jun
4 wk after
9 Jul
7 wk after
Annual phlox
Phlox drummondii
Season too short
26 Mar – 9 Apr
6-8 wk
21 May
0 wk
11 Jun
3 wk after
Hollyhock
Alcea rosea
26 Mar – 9 Apr
6-8 wk
21 May
0 wk
11 Jun
3 wk after
Alpine delphinium
Delphinium elatum
26 Feb – 26 Mar
10 Apr
8-12 wk
21 May
5 Jun
0 wk
25 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
3 – 17 Apr
15 Apr
6-8 wk
29 May
1 wk after
9 Jul
7 wk after
Wood sage
Salvia nemorosa
12 – 26 Mar
31 Mar
8-10 wk
21 May
26 May
0 wk
25 Jun
5 wk after
Black-eyed susan vine
Thunbergia alata
Season too short
27 Mar – 24 Apr
6-10 wk
5 Jun
2 wk after
California goldenpoppy
Eschscholzia californica
21 May
25 Jun
0 wk
25 May
15 Jun
1 wk after
Painted tongue
Salpiglossis sinuata
Fleece
27 Mar – 10 Apr
16 Apr
8-10 wk
5 Jun
11 Jun
2 wk after
Water forget-me-not
Myosotis scorpioides
26 Mar – 9 Apr
4 May
6-8 wk
21 May
15 Jun
0 wk
11 Jun
3 wk after