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-3.9°
Moderate frost tonight at 04:00. Frost temperatures between 22:00 – tomorrow 23:00. Bring in or cover sensitive plants
Method
Rel. frost
Last spring frost (0°C) 18 May Frost 9 of 10 years · 20 years of data
Frost-free season 94 days 18 May – 20 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)
1 – 15 May
10 Jun
5-7 wk
19 Jun
15 Jul
5 wk after
19 May
5 Jul
Vid frost
Broccoli
Brassica oleracea (Italica-gruppen)
25 Apr – 9 May
22 Jun
4-6 wk
6 Jun
20 Jul
3 wk after
19 May
10 Jul
Vid frost
Chili pepper
Capsicum annuum
Season too short
29 Mar – 26 Apr
8-12 wk
21 Jun
5 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
17 – 31 Mar
5 Jun
5-7 wk
5 May
10 Jul
2 wk before
18 May
30 Jun
Vid frost
Garden cucumber
Cucumis sativus
Season too short
24 – 31 May
3-4 wk
21 Jun
5 wk after
Florence Fennel
Foeniculum vulgare
Greenhouse
17 – 24 May
24 May
4-5 wk
21 Jun
21 Jun
5 wk after
31 May
11 Jun
2 wk after
Butter bean
Phaseolus lunatus
Season too short
7 – 14 Jun
3-4 wk
5 Jul
7 wk after
Onion
Allium cepa (Cepa-gruppen)
23 Feb – 23 Mar
8-12 wk
18 May
Vid frost
31 May
2 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
Fleece
15 May
22 May
15 May
Maize
Zea mays
Season too short
17 – 24 May
3-4 wk
14 Jun
4 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
22 – 29 May
5 Jun
3-4 wk
19 Jun
26 Jun
5 wk after
31 May
16 Jun
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
18 May
11 Jun
Vid frost
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
17 – 31 Mar
5 Jun
5-7 wk
5 May
10 Jul
2 wk before
18 May
30 Jun
Vid frost
Potato
Solanum tuberosum
16 – 30 Apr
19 Apr
4-6 wk
28 May
1 wk after
28 May
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
17 – 31 Mar
6 Jun
5-7 wk
5 May
11 Jul
2 wk before
19 May
1 Jul
Vid frost
Pumpkin
Cucurbita pepo
Season too short
24 – 31 May
3-4 wk
21 Jun
5 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
Fleece
9 – 16 May
10 May
3-4 wk
6 Jun
3 wk after
24 May
1 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
25 Apr – 9 May
17 Jun
4-6 wk
6 Jun
15 Jul
3 wk after
Lettuce
Lactuca sativa
15 – 22 Apr
25 Jun
3-4 wk
13 May
16 Jul
1 wk before
19 May
6 Jul
Vid frost
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
1 – 15 Apr
17 Jun
4-6 wk
13 May
15 Jul
1 wk before
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
20 Apr – 4 May
1 May
2-4 wk
18 May
Vid frost
18 May
Vid frost
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
Fleece
15 May
22 May
15 May
Spinach
Spinacia oleracea
10 – 17 Apr
17 Jul
3-4 wk
8 May
7 Aug
1 wk before
15 May
28 Jul
Vid frost
Sweet potato
Ipomoea batatas
12 – 26 Jun
4-6 wk
24 Jul
10 wk after
Garden tomato
Solanum lycopersicum
Season too short
19 Apr – 3 May
6-8 wk
14 Jun
4 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Season too short
17 – 31 May
2-4 wk
14 Jun
4 wk after
31 May
2 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
25 Apr – 9 May
17 Jun
4-6 wk
6 Jun
15 Jul
3 wk after
Garden pea
Pisum sativum
10 – 17 Apr
10 Jun
3-4 wk
8 May
1 Jul
1 wk before
19 May
21 Jun
Vid frost

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
10 – 24 May
4-6 wk
21 Jun
5 wk after
Lemon balm
Melissa officinalis
9 – 23 Mar
6 May
8-10 wk
18 May
1 Jul
Vid frost
12 Jun
21 Jun
4 wk after
Dill
Anethum graveolens
19 May
26 Jun
Vid frost
Wild chives
Allium schoenoprasum
10 – 24 Mar
29 May
6-8 wk
5 May
10 Jul
2 wk before
19 May
30 Jun
Vid frost
Spearmint
Mentha spicata
13 Feb – 13 Mar
15 May
8-12 wk
8 May
10 Jul
1 wk before
12 Jun
30 Jun
4 wk after
Coriander
Coriandrum sativum
31 May
6 Jul
2 wk after
Garden sage
Salvia officinalis
10 – 24 Apr
30 Apr
8-10 wk
19 Jun
25 Jun
5 wk after
Common thyme
Thymus vulgaris
28 Mar – 11 Apr
5 May
8-10 wk
6 Jun
30 Jun
3 wk after
Oregano
Origanum vulgare
28 Mar – 11 Apr
19 May
6-8 wk
23 May
30 Jun
1 wk after
12 Jun
20 Jun
4 wk after
Parsley
Petroselinum crispum
13 – 27 Mar
19 May
6-8 wk
8 May
30 Jun
1 wk before
19 May
20 Jun
Vid frost
Rosemary
Salvia rosmarinus
Fleece
28 Feb – 28 Mar
18 Mar
10-14 wk
6 Jun
3 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
Season too short
24 – 31 May
3-4 wk
21 Jun
5 wk after
Cornflower
Centaurea cyanus
8 May
10 Jul
1 wk before
19 May
30 Jun
Vid frost
Statice
Limonium sinuatum
Season too short
5 – 19 Apr
8-10 wk
14 Jun
4 wk after
Sweet William
Dianthus barbatus
13 – 27 Mar
6-8 wk
8 May
1 wk before
28 May
1 wk after
Snow-on-the-mountain
Euphorbia marginata
Season too short
19 Apr – 3 May
6-8 wk
14 Jun
4 wk after
19 Jun
5 wk after
Pinnate dahlia
Dahlia × pinnata
Season too short
11 – 25 Apr
6-8 wk
6 Jun
3 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
Greenhouse
29 Mar – 26 Apr
16 Apr
4-8 wk
24 May
1 wk after
24 May
1 wk after
Foxglove
Digitalis purpurea
27 Feb – 13 Mar
8-10 wk
8 May
1 wk before
31 May
2 wk after
Busy lizzie
Impatiens walleriana
Greenhouse
29 Mar – 26 Apr
25 Apr
8-12 wk
21 Jun
5 wk after
Creeping zinnia
Sanvitalia procumbens
Season too short
19 Apr – 3 May
6-8 wk
14 Jun
4 wk after
Hyacinth bean
Dolichos lablab
Season too short
17 – 31 May
4-6 wk
28 Jun
6 wk after
Chinese lantern
Physalis alkekengi
Fleece
28 Mar – 11 Apr
6 Apr
8-10 wk
6 Jun
3 wk after
Love in a mist
Nigella damascena
19 May
6 Jun
Vid frost
Strawflower
Xerochrysum bracteatum
Season too short
19 Apr – 3 May
6-8 wk
14 Jun
4 wk after
19 Jun
5 wk after
Purple-top vervain
Verbena bonariensis
Fleece
14 Mar – 11 Apr
6 Apr
8-12 wk
6 Jun
3 wk after
Cardoon
Cynara cardunculus
Season too short
22 Mar – 19 Apr
8-12 wk
14 Jun
4 wk after
Regal-foxtail
Ptilotus nobilis
Season too short
29 Mar – 26 Apr
8-12 wk
21 Jun
5 wk after
Globe amaranth
Gomphrena globosa
Season too short
26 Apr – 10 May
6-8 wk
21 Jun
5 wk after
Corn poppy
Papaver rhoeas
19 May
21 Jun
Vid frost
Snapdragon
Antirrhinum majus
18 Feb – 18 Mar
26 Apr
8-12 wk
13 May
21 Jun
1 wk before
28 May
11 Jun
1 wk after
Flossflower
Ageratum houstonianum
Season too short
12 – 26 Apr
8-10 wk
21 Jun
5 wk after
Sweet pea
Lathyrus odoratus
13 Mar – 3 Apr
26 May
5-8 wk
8 May
30 Jun
1 wk before
Stock
Matthiola incana
18 Mar – 1 Apr
20 May
6-8 wk
13 May
1 Jul
1 wk before
31 May
21 Jun
2 wk after
Wormwood
Artemisia absinthium
13 – 27 Mar
29 Apr
6-8 wk
8 May
10 Jun
1 wk before
31 May
31 May
2 wk after
Mexican sunflower
Tithonia rotundifolia
Season too short
10 – 24 May
4-6 wk
21 Jun
5 wk after
Garden pansy
Viola × wittrockiana
24 Feb – 10 Mar
15 May
8-10 wk
5 May
10 Jul
2 wk before
28 May
30 Jun
1 wk after
Petunia
Petunia
Season too short
22 Mar – 19 Apr
8-12 wk
14 Jun
4 wk after
Sweet Scabious
Scabiosa atropurpurea
Fleece
11 – 25 Apr
20 Apr
6-8 wk
6 Jun
3 wk after
12 Jun
4 wk after
Common zinnia
Zinnia elegans
Season too short
3 – 17 May
4-6 wk
14 Jun
4 wk after
Common morning glory
Ipomoea purpurea
Season too short
17 – 31 May
3-5 wk
21 Jun
5 wk after
Garden cosmos
Cosmos bipinnatus
Season too short
3 – 17 May
4-6 wk
14 Jun
4 wk after
31 May
2 wk after
Scarlet milkweed
Asclepias curassavica
Season too short
5 Apr – 3 May
8-12 wk
28 Jun
6 wk after
Bee balm
Monarda didyma
23 Feb – 23 Mar
6 Apr
8-12 wk
18 May
1 Jun
Vid frost
12 Jun
4 wk after
Yarrow
Achillea millefolium
13 – 27 Mar
30 Mar
6-8 wk
8 May
11 May
1 wk before
31 May
2 wk after
Safflower
Carthamus tinctorius
8 May
8 Jun
1 wk before
19 May
29 May
Vid frost
Iceland poppy
Papaver nudicaule
10 – 24 Mar
19 May
6-8 wk
5 May
30 Jun
2 wk before
18 May
20 Jun
Vid frost
Bishop's flower
Ammi majus
15 – 29 Apr
24 May
4-6 wk
27 May
21 Jun
1 wk after
31 May
11 Jun
2 wk after
Drumsticks
Pycnosorus globosus
Season too short
29 Mar – 12 Apr
10-12 wk
21 Jun
5 wk after
Sunflower
Helianthus annuus
Fleece
24 – 31 May
26 May
3-4 wk
21 Jun
5 wk after
31 May
6 Jun
2 wk after
China aster
Callistephus chinensis
Fleece
26 Apr – 10 May
15 May
6-8 wk
21 Jun
26 Jun
5 wk after
12 Jun
16 Jun
4 wk after
Annual phlox
Phlox drummondii
Greenhouse
1 – 15 Apr
8 Apr
6-8 wk
27 May
1 wk after
31 May
2 wk after
Hollyhock
Alcea rosea
13 – 27 Mar
6-8 wk
8 May
1 wk before
31 May
2 wk after
Alpine delphinium
Delphinium elatum
14 Mar – 11 Apr
6 Apr
8-12 wk
6 Jun
3 wk after
12 Jun
4 wk after
African marigold
Tagetes erecta
Season too short
19 Apr – 3 May
6-8 wk
14 Jun
4 wk after
Black-eyed Susan
Rudbeckia hirta
Fleece
11 – 25 Apr
5 May
6-8 wk
6 Jun
16 Jun
3 wk after
12 Jun
4 wk after
Wood sage
Salvia nemorosa
14 – 28 Mar
27 Mar
8-10 wk
23 May
1 wk after
12 Jun
4 wk after
Black-eyed susan vine
Thunbergia alata
Season too short
12 Apr – 10 May
6-10 wk
21 Jun
5 wk after
California goldenpoppy
Eschscholzia californica
19 May
16 Jun
Vid frost
Painted tongue
Salpiglossis sinuata
Greenhouse
5 – 19 Apr
26 Apr
8-10 wk
14 Jun
21 Jun
4 wk after
Water forget-me-not
Myosotis scorpioides
13 – 27 Mar
29 Apr
6-8 wk
8 May
10 Jun
1 wk before
31 May
31 May
2 wk after