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Method
Rel. frost
Last spring frost (0°C) 29 May Frost 1 of 10 years · 20 years of data
Frost-free season 136 days 29 May – 12 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)
10 – 24 Apr
16 Jun
5-7 wk
29 May
21 Jul
0 wk
2 Jun
11 Jul
1 wk after
Broccoli
Brassica oleracea (Italica-gruppen)
17 Apr – 1 May
28 Jun
4-6 wk
29 May
26 Jul
0 wk
2 Jun
16 Jul
1 wk after
Chili pepper
Capsicum annuum
Season too short
12 Mar – 9 Apr
8-12 wk
4 Jun
1 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
10 – 24 Apr
11 Jun
5-7 wk
29 May
16 Jul
0 wk
29 May
6 Jul
0 wk
Garden cucumber
Cucumis sativus
Greenhouse
7 – 14 May
23 May
3-4 wk
4 Jun
13 Jun
1 wk after
Florence Fennel
Foeniculum vulgare
26 May – 2 Jun
8 Jun
4-5 wk
30 Jun
6 Jul
5 wk after
17 Jul
7 wk after
Butter bean
Phaseolus lunatus
Season too short
9 – 16 Jun
3-4 wk
7 Jul
6 wk after
Onion
Allium cepa (Cepa-gruppen)
6 Mar – 3 Apr
1 Apr
8-12 wk
29 May
0 wk
19 Jun
3 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
2 Jun
16 Jun
1 wk after
2 Jun
6 Jun
1 wk after
Maize
Zea mays
Greenhouse
1 – 8 May
13 May
3-4 wk
29 May
3 Jun
0 wk
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
3 – 10 May
5 Jul
3-4 wk
31 May
26 Jul
0 wk
19 Jun
16 Jul
3 wk after
Carrot
Daucus carota subsp. sativus var. sativus
29 May
6 Jul
0 wk
29 May
26 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
10 – 24 Apr
11 Jun
5-7 wk
29 May
16 Jul
0 wk
29 May
6 Jul
0 wk
Potato
Solanum tuberosum
3 – 17 May
8 Jun
4-6 wk
14 Jun
6 Jul
2 wk after
14 Jun
26 Jun
2 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
10 – 24 Apr
21 Jun
5-7 wk
29 May
26 Jul
0 wk
2 Jun
16 Jul
1 wk after
Pumpkin
Cucurbita pepo
Fleece
14 – 21 May
28 May
3-4 wk
11 Jun
18 Jun
2 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
3 – 10 May
25 Jun
3-4 wk
31 May
16 Jul
0 wk
19 Jun
6 Jul
3 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
17 Apr – 1 May
23 Jun
4-6 wk
29 May
21 Jul
0 wk
Lettuce
Lactuca sativa
1 – 8 May
10 Jul
3-4 wk
29 May
31 Jul
0 wk
2 Jun
21 Jul
1 wk after
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
17 Apr – 1 May
23 Jun
4-6 wk
29 May
21 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
1 – 15 May
2 Jun
2-4 wk
29 May
16 Jun
0 wk
29 May
6 Jun
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
2 Jun
16 Jun
1 wk after
2 Jun
6 Jun
1 wk after
Spinach
Spinacia oleracea
1 – 8 May
25 Jul
3-4 wk
29 May
15 Aug
0 wk
25 May
5 Aug
1 wk before
Sweet potato
Ipomoea batatas
30 Jun – 14 Jul
4-6 wk
11 Aug
11 wk after
Garden tomato
Solanum lycopersicum
Greenhouse
3 – 17 Apr
22 Apr
6-8 wk
29 May
3 Jun
0 wk
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Fleece
7 – 21 May
30 May
2-4 wk
4 Jun
13 Jun
1 wk after
3 Jul
5 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
17 Apr – 1 May
23 Jun
4-6 wk
29 May
21 Jul
0 wk
Garden pea
Pisum sativum
1 – 8 May
25 Jun
3-4 wk
29 May
16 Jul
0 wk
2 Jun
6 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
30 Apr – 14 May
6 May
4-6 wk
11 Jun
2 wk after
Lemon balm
Melissa officinalis
20 Mar – 3 Apr
21 May
8-10 wk
29 May
16 Jul
0 wk
3 Jul
6 Jul
5 wk after
Dill
Anethum graveolens
2 Jun
26 Jul
1 wk after
Wild chives
Allium schoenoprasum
3 – 17 Apr
4 Jun
6-8 wk
29 May
16 Jul
0 wk
2 Jun
6 Jul
1 wk after
Spearmint
Mentha spicata
6 Mar – 3 Apr
21 May
8-12 wk
29 May
16 Jul
0 wk
3 Jul
6 Jul
5 wk after
Coriander
Coriandrum sativum
29 May
15 Aug
0 wk
19 Jun
5 Aug
3 wk after
Garden sage
Salvia officinalis
22 Mar – 5 Apr
6 May
8-10 wk
31 May
1 Jul
0 wk
Common thyme
Thymus vulgaris
20 Mar – 3 Apr
11 May
8-10 wk
29 May
6 Jul
0 wk
Oregano
Origanum vulgare
3 – 17 Apr
25 May
6-8 wk
29 May
6 Jul
0 wk
3 Jul
5 wk after
Parsley
Petroselinum crispum
3 – 17 Apr
25 May
6-8 wk
29 May
6 Jul
0 wk
2 Jun
26 Jun
1 wk after
Rosemary
Salvia rosmarinus
22 Feb – 22 Mar
7 Apr
10-14 wk
31 May
16 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
14 – 21 May
3-4 wk
11 Jun
2 wk after
Cornflower
Centaurea cyanus
29 May
16 Jul
0 wk
2 Jun
6 Jul
1 wk after
Statice
Limonium sinuatum
2 – 16 Apr
6 Apr
8-10 wk
11 Jun
2 wk after
Sweet William
Dianthus barbatus
3 – 17 Apr
6-8 wk
29 May
0 wk
14 Jun
2 wk after
Snow-on-the-mountain
Euphorbia marginata
16 – 30 Apr
20 Apr
6-8 wk
11 Jun
2 wk after
11 Aug
11 wk after
Pinnate dahlia
Dahlia × pinnata
14 – 28 Apr
26 Apr
6-8 wk
9 Jun
2 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
8 May – 5 Jun
10 May
4-8 wk
3 Jul
5 wk after
3 Jul
5 wk after
Foxglove
Digitalis purpurea
20 Mar – 3 Apr
8-10 wk
29 May
0 wk
19 Jun
3 wk after
Busy lizzie
Impatiens walleriana
7 Apr – 5 May
24 May
8-12 wk
30 Jun
19 Jul
5 wk after
Creeping zinnia
Sanvitalia procumbens
16 – 30 Apr
30 Apr
6-8 wk
11 Jun
11 Jun
2 wk after
Hyacinth bean
Dolichos lablab
Season too short
30 Apr – 14 May
4-6 wk
11 Jun
2 wk after
Chinese lantern
Physalis alkekengi
22 Mar – 5 Apr
21 Apr
8-10 wk
31 May
16 Jun
0 wk
Love in a mist
Nigella damascena
29 May
1 Jul
0 wk
2 Jun
21 Jun
1 wk after
Strawflower
Xerochrysum bracteatum
16 – 30 Apr
6-8 wk
11 Jun
2 wk after
11 Aug
11 wk after
Purple-top vervain
Verbena bonariensis
8 Mar – 5 Apr
21 Apr
8-12 wk
31 May
16 Jun
0 wk
Cardoon
Cynara cardunculus
19 Mar – 16 Apr
22 Mar
8-12 wk
11 Jun
2 wk after
Regal-foxtail
Ptilotus nobilis
Fleece
19 Mar – 16 Apr
29 Mar
8-12 wk
11 Jun
2 wk after
Globe amaranth
Gomphrena globosa
Fleece
16 – 30 Apr
6-8 wk
11 Jun
2 wk after
Corn poppy
Papaver rhoeas
29 May
16 Jul
0 wk
2 Jun
6 Jul
1 wk after
Snapdragon
Antirrhinum majus
6 Mar – 3 Apr
11 May
8-12 wk
29 May
6 Jul
0 wk
14 Jun
26 Jun
2 wk after
Flossflower
Ageratum houstonianum
21 Apr – 5 May
8-10 wk
30 Jun
5 wk after
Sweet pea
Lathyrus odoratus
3 – 24 Apr
1 Jun
5-8 wk
29 May
6 Jul
0 wk
Stock
Matthiola incana
3 – 17 Apr
4 Jun
6-8 wk
29 May
16 Jul
0 wk
19 Jun
6 Jul
3 wk after
Wormwood
Artemisia absinthium
3 – 17 Apr
5 May
6-8 wk
29 May
16 Jun
0 wk
19 Jun
3 wk after
Mexican sunflower
Tithonia rotundifolia
Greenhouse
23 Apr – 7 May
5 May
4-6 wk
4 Jun
1 wk after
Garden pansy
Viola × wittrockiana
20 Mar – 3 Apr
21 May
8-10 wk
29 May
16 Jul
0 wk
14 Jun
6 Jul
2 wk after
Petunia
Petunia
19 Mar – 16 Apr
6 Apr
8-12 wk
11 Jun
2 wk after
Sweet Scabious
Scabiosa atropurpurea
5 – 19 Apr
5 May
6-8 wk
31 May
16 Jun
0 wk
17 Jul
7 wk after
Common zinnia
Zinnia elegans
30 Apr – 14 May
6 May
4-6 wk
11 Jun
2 wk after
Common morning glory
Ipomoea purpurea
Fleece
7 – 21 May
13 May
3-5 wk
11 Jun
2 wk after
Garden cosmos
Cosmos bipinnatus
30 Apr – 14 May
10 May
4-6 wk
11 Jun
2 wk after
17 Jul
7 wk after
Scarlet milkweed
Asclepias curassavica
Fleece
7 Apr – 5 May
28 Apr
8-12 wk
30 Jun
5 wk after
Bee balm
Monarda didyma
6 Mar – 3 Apr
21 Apr
8-12 wk
29 May
16 Jun
0 wk
3 Jul
5 wk after
Yarrow
Achillea millefolium
3 – 17 Apr
5 Apr
6-8 wk
29 May
0 wk
19 Jun
3 wk after
Safflower
Carthamus tinctorius
29 May
16 Jun
0 wk
2 Jun
6 Jun
1 wk after
Iceland poppy
Papaver nudicaule
Season too short
3 – 17 Apr
25 May
6-8 wk
29 May
6 Jul
0 wk
11 May
26 Jun
3 wk before
Bishop's flower
Ammi majus
17 Apr – 1 May
8 Jun
4-6 wk
29 May
6 Jul
0 wk
19 Jun
26 Jun
3 wk after
Drumsticks
Pycnosorus globosus
Greenhouse
12 – 26 Mar
22 Mar
10-12 wk
4 Jun
1 wk after
Sunflower
Helianthus annuus
14 – 21 May
15 Jun
3-4 wk
11 Jun
6 Jul
2 wk after
3 Jul
5 wk after
China aster
Callistephus chinensis
16 – 30 Apr
4 Jun
6-8 wk
11 Jun
16 Jul
2 wk after
17 Jul
7 wk after
Annual phlox
Phlox drummondii
9 – 23 Apr
30 Apr
6-8 wk
4 Jun
11 Jun
1 wk after
17 Jul
7 wk after
Hollyhock
Alcea rosea
3 – 17 Apr
6-8 wk
29 May
0 wk
19 Jun
3 wk after
Alpine delphinium
Delphinium elatum
6 Mar – 3 Apr
21 Apr
8-12 wk
29 May
16 Jun
0 wk
3 Jul
5 wk after
African marigold
Tagetes erecta
16 – 30 Apr
30 Apr
6-8 wk
11 Jun
11 Jun
2 wk after
Black-eyed Susan
Rudbeckia hirta
5 – 19 Apr
25 May
6-8 wk
31 May
6 Jul
0 wk
17 Jul
7 wk after
Wood sage
Salvia nemorosa
20 Mar – 3 Apr
11 Apr
8-10 wk
29 May
6 Jun
0 wk
3 Jul
5 wk after
Black-eyed susan vine
Thunbergia alata
Fleece
2 – 30 Apr
22 Apr
6-10 wk
11 Jun
2 wk after
California goldenpoppy
Eschscholzia californica
29 May
16 Jul
0 wk
2 Jun
6 Jul
1 wk after
Painted tongue
Salpiglossis sinuata
2 – 16 Apr
11 May
8-10 wk
11 Jun
6 Jul
2 wk after
Water forget-me-not
Myosotis scorpioides
3 – 17 Apr
5 May
6-8 wk
29 May
16 Jun
0 wk
19 Jun
3 wk after