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Method
Rel. frost
Last spring frost (0°C) 11 Jun Frost 1 of 4 years · 20 years of data
Frost-free season 91 days 11 Jun – 10 Sep
Probability that frost is over

75% = 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)
23 Apr – 7 May
13 Jun
5-7 wk
11 Jun
18 Jul
0 wk
12 Jun
8 Jul
0 wk
Broccoli
Brassica oleracea (Italica-gruppen)
30 Apr – 14 May
25 Jun
4-6 wk
11 Jun
23 Jul
0 wk
12 Jun
13 Jul
0 wk
Chili pepper
Capsicum annuum
Greenhouse
25 Mar – 22 Apr
13 Apr
8-12 wk
17 Jun
1 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
23 Apr – 7 May
8 Jun
5-7 wk
11 Jun
13 Jul
0 wk
11 Jun
3 Jul
0 wk
Garden cucumber
Cucumis sativus
Fleece
27 May – 3 Jun
7 Jun
3-4 wk
24 Jun
28 Jun
2 wk after
Florence Fennel
Foeniculum vulgare
8 – 15 Jun
4-5 wk
13 Jul
5 wk after
24 Jul
6 wk after
Butter bean
Phaseolus lunatus
Season too short
22 – 29 Jun
3-4 wk
20 Jul
6 wk after
Onion
Allium cepa (Cepa-gruppen)
Fleece
19 Mar – 16 Apr
29 Mar
8-12 wk
11 Jun
0 wk
17 Jun
1 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
12 Jun
13 Jun
0 wk
12 Jun
0 wk
Maize
Zea mays
Fleece
20 – 27 May
28 May
3-4 wk
17 Jun
18 Jun
1 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
16 – 23 May
2 Jul
3-4 wk
13 Jun
23 Jul
0 wk
24 Jun
13 Jul
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
11 Jun
3 Jul
0 wk
11 Jun
23 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
23 Apr – 7 May
8 Jun
5-7 wk
11 Jun
13 Jul
0 wk
11 Jun
3 Jul
0 wk
Potato
Solanum tuberosum
10 – 24 May
26 May
4-6 wk
21 Jun
23 Jun
1 wk after
21 Jun
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
23 Apr – 7 May
18 Jun
5-7 wk
11 Jun
23 Jul
0 wk
12 Jun
13 Jul
0 wk
Pumpkin
Cucurbita pepo
15 – 22 Jun
3-4 wk
13 Jul
5 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
16 – 23 May
12 Jun
3-4 wk
13 Jun
3 Jul
0 wk
24 Jun
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
30 Apr – 14 May
20 Jun
4-6 wk
11 Jun
18 Jul
0 wk
Lettuce
Lactuca sativa
14 – 21 May
7 Jul
3-4 wk
11 Jun
28 Jul
0 wk
12 Jun
18 Jul
0 wk
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
30 Apr – 14 May
20 Jun
4-6 wk
11 Jun
18 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
14 – 28 May
30 May
2-4 wk
11 Jun
13 Jun
0 wk
11 Jun
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
12 Jun
13 Jun
0 wk
12 Jun
0 wk
Spinach
Spinacia oleracea
14 – 21 May
22 Jul
3-4 wk
11 Jun
12 Aug
0 wk
8 Jun
2 Aug
0 wk
Sweet potato
Ipomoea batatas
6 – 20 Jul
4-6 wk
17 Aug
10 wk after
Garden tomato
Solanum lycopersicum
Fleece
22 Apr – 6 May
7 May
6-8 wk
17 Jun
18 Jun
1 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
27 May – 10 Jun
14 Jun
2-4 wk
24 Jun
28 Jun
2 wk after
24 Jul
6 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
30 Apr – 14 May
20 Jun
4-6 wk
11 Jun
18 Jul
0 wk
Garden pea
Pisum sativum
14 – 21 May
22 Jun
3-4 wk
11 Jun
13 Jul
0 wk
12 Jun
3 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
13 – 27 May
30 May
4-6 wk
24 Jun
27 Jun
2 wk after
Lemon balm
Melissa officinalis
2 – 16 Apr
18 May
8-10 wk
11 Jun
13 Jul
0 wk
6 Jul
4 wk after
Dill
Anethum graveolens
12 Jun
23 Jul
0 wk
Wild chives
Allium schoenoprasum
16 – 30 Apr
1 Jun
6-8 wk
11 Jun
13 Jul
0 wk
12 Jun
3 Jul
0 wk
Spearmint
Mentha spicata
19 Mar – 16 Apr
18 May
8-12 wk
11 Jun
13 Jul
0 wk
6 Jul
4 wk after
Coriander
Coriandrum sativum
11 Jun
12 Aug
0 wk
24 Jun
2 Aug
2 wk after
Garden sage
Salvia officinalis
4 – 18 Apr
3 May
8-10 wk
13 Jun
28 Jun
0 wk
Common thyme
Thymus vulgaris
2 – 16 Apr
8 May
8-10 wk
11 Jun
3 Jul
0 wk
Oregano
Origanum vulgare
16 – 30 Apr
22 May
6-8 wk
11 Jun
3 Jul
0 wk
6 Jul
4 wk after
Parsley
Petroselinum crispum
16 – 30 Apr
22 May
6-8 wk
11 Jun
3 Jul
0 wk
12 Jun
23 Jun
0 wk
Rosemary
Salvia rosmarinus
7 Mar – 4 Apr
25 Mar
10-14 wk
13 Jun
0 wk

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