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-2.3°
Slight frost tonight at 04:00. Frost temperatures between 23:00 – tomorrow 06:00. Bring in or cover sensitive plants
0.9°
Last 24h: Near frost recorded tonight at 02:00. Inspect for frost damage
Method
Rel. frost
Last spring frost (0°C) 18 May Frost 3 of 4 years · 20 years of data
Frost-free season 103 days 18 May – 29 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)
30 Mar – 13 Apr
16 Jun
5-7 wk
18 May
21 Jul
0 wk
22 May
11 Jul
1 wk after
Broccoli
Brassica oleracea (Italica-gruppen)
6 – 20 Apr
28 Jun
4-6 wk
18 May
26 Jul
0 wk
22 May
16 Jul
1 wk after
Chili pepper
Capsicum annuum
Season too short
10 Mar – 7 Apr
15 Mar
8-12 wk
2 Jun
2 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
30 Mar – 13 Apr
11 Jun
5-7 wk
18 May
16 Jul
0 wk
18 May
6 Jul
0 wk
Garden cucumber
Cucumis sativus
Greenhouse
5 – 12 May
5 Jun
3-4 wk
2 Jun
26 Jun
2 wk after
Florence Fennel
Foeniculum vulgare
Fleece
10 – 17 May
22 May
4-5 wk
14 Jun
19 Jun
4 wk after
22 Jun
5 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
15 Mar
8-12 wk
18 May
0 wk
8 Jun
3 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
22 May
30 May
1 wk after
22 May
1 wk after
Maize
Zea mays
Fleece
5 – 12 May
3-4 wk
2 Jun
2 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
28 Apr – 5 May
18 Jun
3-4 wk
26 May
9 Jul
1 wk after
8 Jun
29 Jun
3 wk after
Carrot
Daucus carota subsp. sativus var. sativus
18 May
2 Jul
0 wk
18 May
22 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
30 Mar – 13 Apr
11 Jun
5-7 wk
18 May
16 Jul
0 wk
18 May
6 Jul
0 wk
Potato
Solanum tuberosum
22 Apr – 6 May
17 May
4-6 wk
3 Jun
14 Jun
2 wk after
3 Jun
4 Jun
2 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
30 Mar – 13 Apr
17 Jun
5-7 wk
18 May
22 Jul
0 wk
22 May
12 Jul
1 wk after
Pumpkin
Cucurbita pepo
Fleece
17 – 24 May
10 Jun
3-4 wk
14 Jun
1 Jul
4 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
28 Apr – 5 May
19 May
3-4 wk
26 May
9 Jun
1 wk after
8 Jun
3 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
6 – 20 Apr
23 Jun
4-6 wk
18 May
21 Jul
0 wk
Lettuce
Lactuca sativa
20 – 27 Apr
6 Jul
3-4 wk
18 May
27 Jul
0 wk
22 May
17 Jul
1 wk after
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
6 – 20 Apr
23 Jun
4-6 wk
18 May
21 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
20 Apr – 4 May
19 May
2-4 wk
18 May
2 Jun
0 wk
18 May
23 May
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
22 May
30 May
1 wk after
22 May
1 wk after
Spinach
Spinacia oleracea
20 – 27 Apr
25 Jul
3-4 wk
18 May
15 Aug
0 wk
14 May
5 Aug
1 wk before
Sweet potato
Ipomoea batatas
19 Jun – 3 Jul
4-6 wk
31 Jul
11 wk after
Garden tomato
Solanum lycopersicum
Fleece
7 – 21 Apr
8 Apr
6-8 wk
2 Jun
2 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Fleece
5 – 19 May
12 Jun
2-4 wk
2 Jun
26 Jun
2 wk after
22 Jun
5 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
6 – 20 Apr
23 Jun
4-6 wk
18 May
21 Jul
0 wk
Garden pea
Pisum sativum
20 – 27 Apr
21 Jun
3-4 wk
18 May
12 Jul
0 wk
22 May
2 Jul
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
3 – 17 May
19 May
4-6 wk
14 Jun
16 Jun
4 wk after
Lemon balm
Melissa officinalis
9 – 23 Mar
17 May
8-10 wk
18 May
12 Jul
0 wk
22 Jun
2 Jul
5 wk after
Dill
Anethum graveolens
22 May
9 Jul
1 wk after
Wild chives
Allium schoenoprasum
23 Mar – 6 Apr
4 Jun
6-8 wk
18 May
16 Jul
0 wk
22 May
6 Jul
1 wk after
Spearmint
Mentha spicata
23 Feb – 23 Mar
21 May
8-12 wk
18 May
16 Jul
0 wk
22 Jun
6 Jul
5 wk after
Coriander
Coriandrum sativum
18 May
29 Jul
0 wk
8 Jun
19 Jul
3 wk after
Garden sage
Salvia officinalis
17 – 31 Mar
6 May
8-10 wk
26 May
1 Jul
1 wk after
Common thyme
Thymus vulgaris
9 – 23 Mar
11 May
8-10 wk
18 May
6 Jul
0 wk
Oregano
Origanum vulgare
23 Mar – 6 Apr
25 May
6-8 wk
18 May
6 Jul
0 wk
22 Jun
26 Jun
5 wk after
Parsley
Petroselinum crispum
23 Mar – 6 Apr
25 May
6-8 wk
18 May
6 Jul
0 wk
22 May
26 Jun
1 wk after
Rosemary
Salvia rosmarinus
17 Feb – 17 Mar
20 Mar
10-14 wk
26 May
29 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
17 – 24 May
26 May
3-4 wk
14 Jun
16 Jun
4 wk after
Cornflower
Centaurea cyanus
18 May
16 Jul
0 wk
22 May
6 Jul
1 wk after
Statice
Limonium sinuatum
5 – 19 Apr
16 Apr
8-10 wk
14 Jun
4 wk after
Sweet William
Dianthus barbatus
23 Mar – 6 Apr
6-8 wk
18 May
0 wk
3 Jun
2 wk after
Snow-on-the-mountain
Euphorbia marginata
19 Apr – 3 May
30 Apr
6-8 wk
14 Jun
4 wk after
31 Jul
11 wk after
Pinnate dahlia
Dahlia × pinnata
11 – 25 Apr
6 May
6-8 wk
6 Jun
17 Jun
3 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
27 Apr – 25 May
20 May
4-8 wk
22 Jun
5 wk after
22 Jun
5 wk after
Foxglove
Digitalis purpurea
9 – 23 Mar
8-10 wk
18 May
0 wk
8 Jun
3 wk after
Busy lizzie
Impatiens walleriana
7 Apr – 5 May
6 Jun
8-12 wk
30 Jun
1 Aug
6 wk after
Creeping zinnia
Sanvitalia procumbens
19 Apr – 3 May
10 May
6-8 wk
14 Jun
21 Jun
4 wk after
Hyacinth bean
Dolichos lablab
Season too short
3 – 17 May
4-6 wk
14 Jun
4 wk after
Chinese lantern
Physalis alkekengi
17 – 31 Mar
4 Apr
8-10 wk
26 May
30 May
1 wk after
Love in a mist
Nigella damascena
18 May
27 Jun
0 wk
22 May
17 Jun
1 wk after
Strawflower
Xerochrysum bracteatum
19 Apr – 3 May
20 Apr
6-8 wk
14 Jun
4 wk after
31 Jul
11 wk after
Purple-top vervain
Verbena bonariensis
3 – 31 Mar
4 Apr
8-12 wk
26 May
30 May
1 wk after
Cardoon
Cynara cardunculus
Greenhouse
24 Feb – 24 Mar
22 Mar
8-12 wk
19 May
0 wk
Regal-foxtail
Ptilotus nobilis
Fleece
22 Mar – 19 Apr
11 Apr
8-12 wk
14 Jun
4 wk after
Globe amaranth
Gomphrena globosa
Fleece
19 Apr – 3 May
25 Apr
6-8 wk
14 Jun
4 wk after
Corn poppy
Papaver rhoeas
18 May
12 Jul
0 wk
22 May
2 Jul
1 wk after
Snapdragon
Antirrhinum majus
23 Feb – 23 Mar
7 May
8-12 wk
18 May
2 Jul
0 wk
3 Jun
22 Jun
2 wk after
Flossflower
Ageratum houstonianum
21 Apr – 5 May
26 Apr
8-10 wk
30 Jun
6 wk after
Sweet pea
Lathyrus odoratus
23 Mar – 13 Apr
1 Jun
5-8 wk
18 May
6 Jul
0 wk
Stock
Matthiola incana
23 Mar – 6 Apr
31 May
6-8 wk
18 May
12 Jul
0 wk
8 Jun
2 Jul
3 wk after
Wormwood
Artemisia absinthium
23 Mar – 6 Apr
5 May
6-8 wk
18 May
16 Jun
0 wk
8 Jun
3 wk after
Mexican sunflower
Tithonia rotundifolia
Fleece
3 – 17 May
4 May
4-6 wk
14 Jun
4 wk after
Garden pansy
Viola × wittrockiana
9 – 23 Mar
21 May
8-10 wk
18 May
16 Jul
0 wk
3 Jun
6 Jul
2 wk after
Petunia
Petunia
22 Mar – 19 Apr
16 Apr
8-12 wk
14 Jun
4 wk after
Sweet Scabious
Scabiosa atropurpurea
31 Mar – 14 Apr
18 Apr
6-8 wk
26 May
30 May
1 wk after
6 Jul
7 wk after
Common zinnia
Zinnia elegans
3 – 17 May
19 May
4-6 wk
14 Jun
16 Jun
4 wk after
Common morning glory
Ipomoea purpurea
Fleece
10 – 24 May
26 May
3-5 wk
14 Jun
16 Jun
4 wk after
Garden cosmos
Cosmos bipinnatus
3 – 17 May
20 May
4-6 wk
14 Jun
17 Jun
4 wk after
6 Jul
7 wk after
Scarlet milkweed
Asclepias curassavica
Fleece
7 Apr – 5 May
11 May
8-12 wk
30 Jun
6 Jul
6 wk after
Bee balm
Monarda didyma
23 Feb – 23 Mar
17 Apr
8-12 wk
18 May
12 Jun
0 wk
22 Jun
5 wk after
Yarrow
Achillea millefolium
23 Mar – 6 Apr
5 Apr
6-8 wk
18 May
0 wk
8 Jun
3 wk after
Safflower
Carthamus tinctorius
18 May
16 Jun
0 wk
22 May
6 Jun
1 wk after
Iceland poppy
Papaver nudicaule
Season too short
23 Mar – 6 Apr
25 May
6-8 wk
18 May
6 Jul
0 wk
30 Apr
26 Jun
3 wk before
Bishop's flower
Ammi majus
6 – 20 Apr
4 Jun
4-6 wk
18 May
2 Jul
0 wk
8 Jun
22 Jun
3 wk after
Drumsticks
Pycnosorus globosus
Greenhouse
10 – 24 Mar
25 Mar
10-12 wk
2 Jun
3 Jun
2 wk after
Sunflower
Helianthus annuus
17 – 24 May
28 May
3-4 wk
14 Jun
18 Jun
4 wk after
22 Jun
5 wk after
China aster
Callistephus chinensis
19 Apr – 3 May
17 May
6-8 wk
14 Jun
28 Jun
4 wk after
6 Jul
7 wk after
Annual phlox
Phlox drummondii
7 – 21 Apr
10 May
6-8 wk
2 Jun
21 Jun
2 wk after
6 Jul
7 wk after
Hollyhock
Alcea rosea
23 Mar – 6 Apr
6-8 wk
18 May
0 wk
8 Jun
3 wk after
Alpine delphinium
Delphinium elatum
23 Feb – 23 Mar
17 Apr
8-12 wk
18 May
12 Jun
0 wk
22 Jun
5 wk after
African marigold
Tagetes erecta
19 Apr – 3 May
10 May
6-8 wk
14 Jun
21 Jun
4 wk after
Black-eyed Susan
Rudbeckia hirta
31 Mar – 14 Apr
7 May
6-8 wk
26 May
18 Jun
1 wk after
6 Jul
7 wk after
Wood sage
Salvia nemorosa
9 – 23 Mar
7 Apr
8-10 wk
18 May
2 Jun
0 wk
22 Jun
5 wk after
Black-eyed susan vine
Thunbergia alata
Fleece
5 Apr – 3 May
5 May
6-10 wk
14 Jun
16 Jun
4 wk after
California goldenpoppy
Eschscholzia californica
18 May
4 Jul
0 wk
22 May
24 Jun
1 wk after
Painted tongue
Salpiglossis sinuata
5 – 19 Apr
13 Apr
8-10 wk
14 Jun
4 wk after
Water forget-me-not
Myosotis scorpioides
23 Mar – 6 Apr
5 May
6-8 wk
18 May
16 Jun
0 wk
8 Jun
3 wk after