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Last 24h: Near frost recorded tonight at 05:00. Inspect for frost damage
Method
Rel. frost
Last spring frost (0°C) 30 May Frost 1 of 10 years · 20 years of data
Frost-free season 137 days 30 May – 14 Oct
Probability that frost is over

90% = 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)
11 – 25 Apr
15 Jun
5-7 wk
30 May
20 Jul
0 wk
3 Jun
10 Jul
1 wk after
Broccoli
Brassica oleracea (Italica-gruppen)
18 Apr – 2 May
27 Jun
4-6 wk
30 May
25 Jul
0 wk
3 Jun
15 Jul
1 wk after
Chili pepper
Capsicum annuum
Season too short
22 Mar – 19 Apr
8-12 wk
14 Jun
2 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
11 – 25 Apr
10 Jun
5-7 wk
30 May
15 Jul
0 wk
30 May
5 Jul
0 wk
Garden cucumber
Cucumis sativus
Greenhouse
17 – 24 May
3-4 wk
14 Jun
2 wk after
Florence Fennel
Foeniculum vulgare
7 – 14 Jun
7 Jun
4-5 wk
12 Jul
6 wk after
18 Jul
7 wk after
Butter bean
Phaseolus lunatus
Season too short
19 – 26 Jun
3-4 wk
17 Jul
7 wk after
Onion
Allium cepa (Cepa-gruppen)
7 Mar – 4 Apr
31 Mar
8-12 wk
30 May
0 wk
20 Jun
3 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
3 Jun
15 Jun
1 wk after
3 Jun
5 Jun
1 wk after
Maize
Zea mays
Greenhouse
3 – 10 May
3-4 wk
31 May
0 wk
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
10 – 17 May
4 Jul
3-4 wk
7 Jun
25 Jul
1 wk after
20 Jun
15 Jul
3 wk after
Carrot
Daucus carota subsp. sativus var. sativus
30 May
5 Jul
0 wk
30 May
25 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
11 – 25 Apr
10 Jun
5-7 wk
30 May
15 Jul
0 wk
30 May
5 Jul
0 wk
Potato
Solanum tuberosum
4 – 18 May
5 Jun
4-6 wk
15 Jun
3 Jul
2 wk after
15 Jun
23 Jun
2 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
11 – 25 Apr
20 Jun
5-7 wk
30 May
25 Jul
0 wk
3 Jun
15 Jul
1 wk after
Pumpkin
Cucurbita pepo
Greenhouse
17 – 24 May
12 Jun
3-4 wk
14 Jun
3 Jul
2 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
10 – 17 May
15 Jun
3-4 wk
7 Jun
6 Jul
1 wk after
20 Jun
26 Jun
3 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
18 Apr – 2 May
22 Jun
4-6 wk
30 May
20 Jul
0 wk
Lettuce
Lactuca sativa
2 – 9 May
9 Jul
3-4 wk
30 May
30 Jul
0 wk
3 Jun
20 Jul
1 wk after
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
18 Apr – 2 May
22 Jun
4-6 wk
30 May
20 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
2 – 16 May
1 Jun
2-4 wk
30 May
15 Jun
0 wk
30 May
5 Jun
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
3 Jun
15 Jun
1 wk after
3 Jun
5 Jun
1 wk after
Spinach
Spinacia oleracea
2 – 9 May
24 Jul
3-4 wk
30 May
14 Aug
0 wk
26 May
4 Aug
1 wk before
Sweet potato
Ipomoea batatas
1 – 15 Jul
4-6 wk
12 Aug
11 wk after
Garden tomato
Solanum lycopersicum
Greenhouse
5 – 19 Apr
7 Apr
6-8 wk
31 May
0 wk
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Fleece
17 – 31 May
2-4 wk
14 Jun
2 wk after
4 Jul
5 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
18 Apr – 2 May
22 Jun
4-6 wk
30 May
20 Jul
0 wk
Garden pea
Pisum sativum
2 – 9 May
24 Jun
3-4 wk
30 May
15 Jul
0 wk
3 Jun
5 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
Greenhouse
3 – 17 May
21 May
4-6 wk
14 Jun
18 Jun
2 wk after
Lemon balm
Melissa officinalis
21 Mar – 4 Apr
20 May
8-10 wk
30 May
15 Jul
0 wk
4 Jul
5 Jul
5 wk after
Dill
Anethum graveolens
3 Jun
25 Jul
1 wk after
Wild chives
Allium schoenoprasum
4 – 18 Apr
3 Jun
6-8 wk
30 May
15 Jul
0 wk
3 Jun
5 Jul
1 wk after
Spearmint
Mentha spicata
7 Mar – 4 Apr
20 May
8-12 wk
30 May
15 Jul
0 wk
4 Jul
5 Jul
5 wk after
Coriander
Coriandrum sativum
30 May
14 Aug
0 wk
20 Jun
4 Aug
3 wk after
Garden sage
Salvia officinalis
29 Mar – 12 Apr
5 May
8-10 wk
7 Jun
30 Jun
1 wk after
Common thyme
Thymus vulgaris
21 Mar – 4 Apr
10 May
8-10 wk
30 May
5 Jul
0 wk
Oregano
Origanum vulgare
4 – 18 Apr
24 May
6-8 wk
30 May
5 Jul
0 wk
4 Jul
5 wk after
Parsley
Petroselinum crispum
4 – 18 Apr
24 May
6-8 wk
30 May
5 Jul
0 wk
3 Jun
25 Jun
1 wk after
Rosemary
Salvia rosmarinus
1 – 29 Mar
6 Apr
10-14 wk
7 Jun
15 Jun
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
Greenhouse
17 – 24 May
28 May
3-4 wk
14 Jun
18 Jun
2 wk after
Cornflower
Centaurea cyanus
30 May
15 Jul
0 wk
3 Jun
5 Jul
1 wk after
Statice
Limonium sinuatum
Fleece
5 – 19 Apr
22 Apr
8-10 wk
14 Jun
17 Jun
2 wk after
Sweet William
Dianthus barbatus
4 – 18 Apr
6-8 wk
30 May
0 wk
15 Jun
2 wk after
Snow-on-the-mountain
Euphorbia marginata
Fleece
19 Apr – 3 May
6 May
6-8 wk
14 Jun
17 Jun
2 wk after
28 Jul
8 wk after
Pinnate dahlia
Dahlia × pinnata
23 Apr – 7 May
27 Apr
6-8 wk
18 Jun
3 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
9 May – 6 Jun
11 May
4-8 wk
4 Jul
5 wk after
4 Jul
5 wk after
Foxglove
Digitalis purpurea
21 Mar – 4 Apr
8-10 wk
30 May
0 wk
20 Jun
3 wk after
Busy lizzie
Impatiens walleriana
19 Apr – 17 May
9 May
8-12 wk
12 Jul
6 wk after
Creeping zinnia
Sanvitalia procumbens
1 – 15 May
1 May
6-8 wk
26 Jun
4 wk after
Hyacinth bean
Dolichos lablab
Season too short
15 – 29 May
4-6 wk
26 Jun
4 wk after
Chinese lantern
Physalis alkekengi
29 Mar – 12 Apr
20 Apr
8-10 wk
7 Jun
15 Jun
1 wk after
Love in a mist
Nigella damascena
30 May
30 Jun
0 wk
3 Jun
20 Jun
1 wk after
Strawflower
Xerochrysum bracteatum
Fleece
19 Apr – 3 May
26 Apr
6-8 wk
14 Jun
2 wk after
28 Jul
8 wk after
Purple-top vervain
Verbena bonariensis
15 Mar – 12 Apr
20 Apr
8-12 wk
7 Jun
15 Jun
1 wk after
Cardoon
Cynara cardunculus
3 Apr – 1 May
8-12 wk
26 Jun
4 wk after
Regal-foxtail
Ptilotus nobilis
Greenhouse
22 Mar – 19 Apr
13 Apr
8-12 wk
14 Jun
2 wk after
Globe amaranth
Gomphrena globosa
Greenhouse
19 Apr – 3 May
27 Apr
6-8 wk
14 Jun
2 wk after
Corn poppy
Papaver rhoeas
30 May
15 Jul
0 wk
3 Jun
5 Jul
1 wk after
Snapdragon
Antirrhinum majus
7 Mar – 4 Apr
10 May
8-12 wk
30 May
5 Jul
0 wk
15 Jun
25 Jun
2 wk after
Flossflower
Ageratum houstonianum
Fleece
17 Apr – 1 May
2 May
8-10 wk
26 Jun
27 Jun
4 wk after
Sweet pea
Lathyrus odoratus
4 – 25 Apr
31 May
5-8 wk
30 May
5 Jul
0 wk
Stock
Matthiola incana
4 – 18 Apr
3 Jun
6-8 wk
30 May
15 Jul
0 wk
20 Jun
5 Jul
3 wk after
Wormwood
Artemisia absinthium
4 – 18 Apr
4 May
6-8 wk
30 May
15 Jun
0 wk
20 Jun
3 wk after
Mexican sunflower
Tithonia rotundifolia
Greenhouse
3 – 17 May
6 May
4-6 wk
14 Jun
2 wk after
Garden pansy
Viola × wittrockiana
21 Mar – 4 Apr
20 May
8-10 wk
30 May
15 Jul
0 wk
15 Jun
5 Jul
2 wk after
Petunia
Petunia
Fleece
22 Mar – 19 Apr
22 Apr
8-12 wk
14 Jun
17 Jun
2 wk after
Sweet Scabious
Scabiosa atropurpurea
12 – 26 Apr
4 May
6-8 wk
7 Jun
15 Jun
1 wk after
18 Jul
7 wk after
Common zinnia
Zinnia elegans
Fleece
3 – 17 May
21 May
4-6 wk
14 Jun
18 Jun
2 wk after
Common morning glory
Ipomoea purpurea
Greenhouse
10 – 24 May
28 May
3-5 wk
14 Jun
18 Jun
2 wk after
Garden cosmos
Cosmos bipinnatus
15 – 29 May
4-6 wk
26 Jun
4 wk after
18 Jul
7 wk after
Scarlet milkweed
Asclepias curassavica
Greenhouse
3 Apr – 1 May
13 May
8-12 wk
26 Jun
8 Jul
4 wk after
Bee balm
Monarda didyma
7 Mar – 4 Apr
20 Apr
8-12 wk
30 May
15 Jun
0 wk
4 Jul
5 wk after
Yarrow
Achillea millefolium
4 – 18 Apr
4 Apr
6-8 wk
30 May
0 wk
20 Jun
3 wk after
Safflower
Carthamus tinctorius
30 May
15 Jun
0 wk
3 Jun
5 Jun
1 wk after
Iceland poppy
Papaver nudicaule
Season too short
4 – 18 Apr
24 May
6-8 wk
30 May
5 Jul
0 wk
12 May
25 Jun
3 wk before
Bishop's flower
Ammi majus
18 Apr – 2 May
7 Jun
4-6 wk
30 May
5 Jul
0 wk
20 Jun
25 Jun
3 wk after
Drumsticks
Pycnosorus globosus
Greenhouse
22 Mar – 5 Apr
28 Mar
10-12 wk
14 Jun
2 wk after
Sunflower
Helianthus annuus
29 May – 5 Jun
14 Jun
3-4 wk
26 Jun
5 Jul
4 wk after
4 Jul
5 wk after
China aster
Callistephus chinensis
1 – 15 May
3 Jun
6-8 wk
26 Jun
15 Jul
4 wk after
18 Jul
7 wk after
Annual phlox
Phlox drummondii
19 Apr – 3 May
1 May
6-8 wk
14 Jun
2 wk after
18 Jul
7 wk after
Hollyhock
Alcea rosea
4 – 18 Apr
6-8 wk
30 May
0 wk
20 Jun
3 wk after
Alpine delphinium
Delphinium elatum
7 Mar – 4 Apr
20 Apr
8-12 wk
30 May
15 Jun
0 wk
4 Jul
5 wk after
African marigold
Tagetes erecta
1 – 15 May
1 May
6-8 wk
26 Jun
4 wk after
Black-eyed Susan
Rudbeckia hirta
12 – 26 Apr
24 May
6-8 wk
7 Jun
5 Jul
1 wk after
18 Jul
7 wk after
Wood sage
Salvia nemorosa
21 Mar – 4 Apr
10 Apr
8-10 wk
30 May
5 Jun
0 wk
4 Jul
5 wk after
Black-eyed susan vine
Thunbergia alata
Greenhouse
5 Apr – 3 May
7 May
6-10 wk
14 Jun
18 Jun
2 wk after
California goldenpoppy
Eschscholzia californica
30 May
15 Jul
0 wk
3 Jun
5 Jul
1 wk after
Painted tongue
Salpiglossis sinuata
17 Apr – 1 May
10 May
8-10 wk
26 Jun
5 Jul
4 wk after
Water forget-me-not
Myosotis scorpioides
4 – 18 Apr
4 May
6-8 wk
30 May
15 Jun
0 wk
20 Jun
3 wk after