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-1.0°
Slight frost tonight at 04:00. Frost temperatures between tomorrow 02:00 – 05:00. Bring in or cover sensitive plants
-1.1°
Last 24h: Slight frost recorded tonight at 03:00. Inspect for frost damage
Method
Rel. frost
Last spring frost (0°C) 11 May Frost 9 of 10 years · 20 years of data
Frost-free season 96 days 11 May – 15 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 Apr – 8 May
13 Jun
5-7 wk
12 Jun
18 Jul
5 wk after
12 May
8 Jul
Vid frost
Broccoli
Brassica oleracea (Italica-gruppen)
18 Apr – 2 May
25 Jun
4-6 wk
30 May
23 Jul
3 wk after
12 May
13 Jul
Vid frost
Chili pepper
Capsicum annuum
Season too short
22 Mar – 19 Apr
8-12 wk
14 Jun
5 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
10 – 24 Mar
8 Jun
5-7 wk
28 Apr
13 Jul
2 wk before
11 May
3 Jul
Vid frost
Garden cucumber
Cucumis sativus
Season too short
17 – 24 May
3-4 wk
14 Jun
5 wk after
Florence Fennel
Foeniculum vulgare
Fleece
17 – 24 May
27 May
4-5 wk
21 Jun
24 Jun
6 wk after
5 Jun
14 Jun
4 wk after
Butter bean
Phaseolus lunatus
Season too short
31 May – 7 Jun
3-4 wk
28 Jun
7 wk after
Onion
Allium cepa (Cepa-gruppen)
16 Feb – 16 Mar
12 Mar
8-12 wk
11 May
Vid frost
24 May
2 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
12 May
27 May
Vid frost
12 May
17 May
Vid frost
Maize
Zea mays
Season too short
10 – 17 May
3-4 wk
7 Jun
4 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
15 – 22 May
23 Jun
3-4 wk
12 Jun
14 Jul
5 wk after
24 May
4 Jul
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
11 May
23 Jun
Vid frost
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
10 – 24 Mar
8 Jun
5-7 wk
28 Apr
13 Jul
2 wk before
11 May
3 Jul
Vid frost
Potato
Solanum tuberosum
9 – 23 Apr
8 May
4-6 wk
21 May
5 Jun
1 wk after
21 May
26 May
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
10 – 24 Mar
18 Jun
5-7 wk
28 Apr
23 Jul
2 wk before
12 May
13 Jul
Vid frost
Pumpkin
Cucurbita pepo
Season too short
17 – 24 May
3-4 wk
14 Jun
5 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
15 – 22 May
3-4 wk
12 Jun
5 wk after
24 May
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
18 Apr – 2 May
20 Jun
4-6 wk
30 May
18 Jul
3 wk after
Lettuce
Lactuca sativa
8 – 15 Apr
7 Jul
3-4 wk
6 May
28 Jul
1 wk before
12 May
18 Jul
Vid frost
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
25 Mar – 8 Apr
20 Jun
4-6 wk
6 May
18 Jul
1 wk before
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
13 – 27 Apr
16 May
2-4 wk
11 May
30 May
Vid frost
11 May
20 May
Vid frost
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
12 May
27 May
Vid frost
12 May
17 May
Vid frost
Spinach
Spinacia oleracea
3 – 10 Apr
22 Jul
3-4 wk
1 May
12 Aug
1 wk before
8 May
2 Aug
Vid frost
Sweet potato
Ipomoea batatas
5 – 19 Jun
4-6 wk
17 Jul
10 wk after
Garden tomato
Solanum lycopersicum
Season too short
12 – 26 Apr
6-8 wk
7 Jun
4 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Season too short
10 – 24 May
2-4 wk
7 Jun
4 wk after
24 May
2 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
18 Apr – 2 May
20 Jun
4-6 wk
30 May
18 Jul
3 wk after
Garden pea
Pisum sativum
3 – 10 Apr
22 Jun
3-4 wk
1 May
13 Jul
1 wk before
12 May
3 Jul
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
3 – 17 May
4-6 wk
14 Jun
5 wk after
Lemon balm
Melissa officinalis
2 – 16 Mar
18 May
8-10 wk
11 May
13 Jul
Vid frost
5 Jun
3 Jul
4 wk after
Dill
Anethum graveolens
12 May
14 Jul
Vid frost
Wild chives
Allium schoenoprasum
3 – 17 Mar
1 Jun
6-8 wk
28 Apr
13 Jul
2 wk before
12 May
3 Jul
Vid frost
Spearmint
Mentha spicata
6 Feb – 6 Mar
18 May
8-12 wk
1 May
13 Jul
1 wk before
5 Jun
3 Jul
4 wk after
Coriander
Coriandrum sativum
24 May
24 Jul
2 wk after
Garden sage
Salvia officinalis
3 – 17 Apr
3 May
8-10 wk
12 Jun
28 Jun
5 wk after
Common thyme
Thymus vulgaris
21 Mar – 4 Apr
8 May
8-10 wk
30 May
3 Jul
3 wk after
Oregano
Origanum vulgare
21 Mar – 4 Apr
22 May
6-8 wk
16 May
3 Jul
1 wk after
5 Jun
23 Jun
4 wk after
Parsley
Petroselinum crispum
6 – 20 Mar
22 May
6-8 wk
1 May
3 Jul
1 wk before
12 May
23 Jun
Vid frost
Rosemary
Salvia rosmarinus
Fleece
21 Feb – 21 Mar
30 Mar
10-14 wk
30 May
8 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
17 – 24 May
3-4 wk
14 Jun
5 wk after
Cornflower
Centaurea cyanus
1 May
13 Jul
1 wk before
12 May
3 Jul
Vid frost
Statice
Limonium sinuatum
Season too short
29 Mar – 12 Apr
8-10 wk
7 Jun
4 wk after
Sweet William
Dianthus barbatus
6 – 20 Mar
6-8 wk
1 May
1 wk before
21 May
1 wk after
Snow-on-the-mountain
Euphorbia marginata
Season too short
12 – 26 Apr
6-8 wk
7 Jun
4 wk after
12 Jun
5 wk after
Pinnate dahlia
Dahlia × pinnata
Season too short
4 – 18 Apr
6-8 wk
30 May
3 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
Fleece
29 Mar – 26 Apr
7 Apr
4-8 wk
24 May
2 wk after
24 May
2 wk after
Foxglove
Digitalis purpurea
20 Feb – 6 Mar
8-10 wk
1 May
1 wk before
24 May
2 wk after
Busy lizzie
Impatiens walleriana
Greenhouse
22 Mar – 19 Apr
5 May
8-12 wk
14 Jun
30 Jun
5 wk after
Creeping zinnia
Sanvitalia procumbens
Season too short
12 – 26 Apr
6-8 wk
7 Jun
4 wk after
Hyacinth bean
Dolichos lablab
Season too short
10 – 24 May
4-6 wk
21 Jun
6 wk after
Chinese lantern
Physalis alkekengi
3 – 17 Apr
9 Apr
8-10 wk
12 Jun
5 wk after
Love in a mist
Nigella damascena
12 May
18 Jun
Vid frost
Strawflower
Xerochrysum bracteatum
Season too short
12 – 26 Apr
6-8 wk
7 Jun
4 wk after
12 Jun
5 wk after
Purple-top vervain
Verbena bonariensis
20 Mar – 17 Apr
9 Apr
8-12 wk
12 Jun
5 wk after
Cardoon
Cynara cardunculus
Greenhouse
15 Mar – 12 Apr
19 Mar
8-12 wk
7 Jun
4 wk after
Regal-foxtail
Ptilotus nobilis
Season too short
22 Mar – 19 Apr
8-12 wk
14 Jun
5 wk after
Globe amaranth
Gomphrena globosa
Season too short
19 Apr – 3 May
6-8 wk
14 Jun
5 wk after
Corn poppy
Papaver rhoeas
12 May
3 Jul
Vid frost
Snapdragon
Antirrhinum majus
11 Feb – 11 Mar
8 May
8-12 wk
6 May
3 Jul
1 wk before
21 May
23 Jun
1 wk after
Flossflower
Ageratum houstonianum
Season too short
5 – 19 Apr
8-10 wk
14 Jun
5 wk after
Sweet pea
Lathyrus odoratus
6 – 27 Mar
29 May
5-8 wk
1 May
3 Jul
1 wk before
Stock
Matthiola incana
11 – 25 Mar
1 Jun
6-8 wk
6 May
13 Jul
1 wk before
24 May
3 Jul
2 wk after
Wormwood
Artemisia absinthium
6 – 20 Mar
2 May
6-8 wk
1 May
13 Jun
1 wk before
24 May
3 Jun
2 wk after
Mexican sunflower
Tithonia rotundifolia
Season too short
3 – 17 May
4-6 wk
14 Jun
5 wk after
Garden pansy
Viola × wittrockiana
17 Feb – 3 Mar
18 May
8-10 wk
28 Apr
13 Jul
2 wk before
21 May
3 Jul
1 wk after
Petunia
Petunia
Season too short
15 Mar – 12 Apr
8-12 wk
7 Jun
4 wk after
Sweet Scabious
Scabiosa atropurpurea
17 Apr – 1 May
23 Apr
6-8 wk
12 Jun
5 wk after
23 Jun
6 wk after
Common zinnia
Zinnia elegans
Season too short
26 Apr – 10 May
4-6 wk
7 Jun
4 wk after
Common morning glory
Ipomoea purpurea
Season too short
10 – 24 May
3-5 wk
14 Jun
5 wk after
Garden cosmos
Cosmos bipinnatus
Season too short
26 Apr – 10 May
4-6 wk
7 Jun
4 wk after
24 May
2 wk after
Scarlet milkweed
Asclepias curassavica
Season too short
29 Mar – 26 Apr
8-12 wk
21 Jun
6 wk after
Bee balm
Monarda didyma
16 Feb – 16 Mar
18 Apr
8-12 wk
11 May
13 Jun
Vid frost
5 Jun
4 wk after
Yarrow
Achillea millefolium
6 – 20 Mar
2 Apr
6-8 wk
1 May
14 May
1 wk before
24 May
2 wk after
Safflower
Carthamus tinctorius
1 May
13 Jun
1 wk before
12 May
3 Jun
Vid frost
Iceland poppy
Papaver nudicaule
3 – 17 Mar
22 May
6-8 wk
28 Apr
3 Jul
2 wk before
11 May
23 Jun
Vid frost
Bishop's flower
Ammi majus
8 – 22 Apr
5 Jun
4-6 wk
20 May
3 Jul
1 wk after
24 May
23 Jun
2 wk after
Drumsticks
Pycnosorus globosus
Season too short
22 Mar – 5 Apr
10-12 wk
14 Jun
5 wk after
Sunflower
Helianthus annuus
Fleece
17 – 24 May
7 Jun
3-4 wk
14 Jun
28 Jun
5 wk after
24 May
18 Jun
2 wk after
China aster
Callistephus chinensis
26 Apr – 10 May
28 Apr
6-8 wk
21 Jun
6 wk after
23 Jun
6 wk after
Annual phlox
Phlox drummondii
Greenhouse
25 Mar – 8 Apr
4 Apr
6-8 wk
20 May
1 wk after
24 May
2 wk after
Hollyhock
Alcea rosea
6 – 20 Mar
6-8 wk
1 May
1 wk before
24 May
2 wk after
Alpine delphinium
Delphinium elatum
7 Mar – 4 Apr
18 Apr
8-12 wk
30 May
13 Jun
3 wk after
5 Jun
4 wk after
African marigold
Tagetes erecta
Season too short
12 – 26 Apr
6-8 wk
7 Jun
4 wk after
Black-eyed Susan
Rudbeckia hirta
17 Apr – 1 May
18 Apr
6-8 wk
12 Jun
5 wk after
23 Jun
6 wk after
Wood sage
Salvia nemorosa
7 – 21 Mar
8 Apr
8-10 wk
16 May
3 Jun
1 wk after
5 Jun
4 wk after
Black-eyed susan vine
Thunbergia alata
Season too short
5 Apr – 3 May
6-10 wk
14 Jun
5 wk after
California goldenpoppy
Eschscholzia californica
12 May
28 Jun
Vid frost
Painted tongue
Salpiglossis sinuata
Fleece
5 – 19 Apr
29 Apr
8-10 wk
14 Jun
24 Jun
5 wk after
Water forget-me-not
Myosotis scorpioides
6 – 20 Mar
2 May
6-8 wk
1 May
13 Jun
1 wk before
24 May
3 Jun
2 wk after