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Last 24h: Near frost recorded last night at 02:00. Inspect for frost damage
Method
Rel. frost
Last spring frost (0°C) 17 May Frost 3 of 4 years · 20 years of data
Frost-free season 107 days 17 May – 1 Sep
Probability that frost is over

25% = Half of years are frost-free by this date. More about frost & season →

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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)
29 Mar – 12 Apr
12 Jun
5-7 wk
17 May
17 Jul
0 wk
18 May
7 Jul
0 wk
Broccoli
Brassica oleracea (Italica-gruppen)
5 – 19 Apr
24 Jun
4-6 wk
17 May
22 Jul
0 wk
18 May
12 Jul
0 wk
Chili pepper
Capsicum annuum
Greenhouse
5 Mar – 2 Apr
27 Mar
8-12 wk
28 May
2 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
29 Mar – 12 Apr
7 Jun
5-7 wk
17 May
12 Jul
0 wk
17 May
2 Jul
0 wk
Garden cucumber
Cucumis sativus
Fleece
9 – 16 May
21 May
3-4 wk
6 Jun
11 Jun
3 wk after
Florence Fennel
Foeniculum vulgare
Fleece
2 – 9 May
22 May
4-5 wk
6 Jun
19 Jun
3 wk after
11 Jun
4 wk after
Butter bean
Phaseolus lunatus
Season too short
30 May – 6 Jun
3-4 wk
27 Jun
6 wk after
Onion
Allium cepa (Cepa-gruppen)
22 Feb – 22 Mar
22 Mar
8-12 wk
17 May
17 May
0 wk
30 May
2 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
18 May
6 Jun
0 wk
18 May
27 May
0 wk
Maize
Zea mays
Fleece
30 Apr – 7 May
11 May
3-4 wk
28 May
1 Jun
2 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
25 Apr – 2 May
18 Jun
3-4 wk
23 May
9 Jul
1 wk after
30 May
29 Jun
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
17 May
2 Jul
0 wk
17 May
22 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
29 Mar – 12 Apr
7 Jun
5-7 wk
17 May
12 Jul
0 wk
17 May
2 Jul
0 wk
Potato
Solanum tuberosum
15 – 29 Apr
23 May
4-6 wk
27 May
20 Jun
1 wk after
27 May
10 Jun
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
29 Mar – 12 Apr
17 Jun
5-7 wk
17 May
22 Jul
0 wk
18 May
12 Jul
0 wk
Pumpkin
Cucurbita pepo
23 – 30 May
26 May
3-4 wk
20 Jun
5 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
25 Apr – 2 May
25 May
3-4 wk
23 May
15 Jun
1 wk after
30 May
5 Jun
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
5 – 19 Apr
19 Jun
4-6 wk
17 May
17 Jul
0 wk
Lettuce
Lactuca sativa
19 – 26 Apr
6 Jul
3-4 wk
17 May
27 Jul
0 wk
18 May
17 Jul
0 wk
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
5 – 19 Apr
19 Jun
4-6 wk
17 May
17 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
19 Apr – 3 May
27 May
2-4 wk
17 May
10 Jun
0 wk
17 May
31 May
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
18 May
6 Jun
0 wk
18 May
27 May
0 wk
Spinach
Spinacia oleracea
19 – 26 Apr
21 Jul
3-4 wk
17 May
11 Aug
0 wk
14 May
1 Aug
0 wk
Sweet potato
Ipomoea batatas
11 – 25 Jun
4-6 wk
23 Jul
10 wk after
Garden tomato
Solanum lycopersicum
Fleece
2 – 16 Apr
20 Apr
6-8 wk
28 May
1 Jun
2 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
9 – 23 May
28 May
2-4 wk
6 Jun
11 Jun
3 wk after
29 Jun
6 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
5 – 19 Apr
19 Jun
4-6 wk
17 May
17 Jul
0 wk
Garden pea
Pisum sativum
19 – 26 Apr
21 Jun
3-4 wk
17 May
12 Jul
0 wk
18 May
2 Jul
0 wk

Herbs

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