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Method
Rel. frost
Last spring frost (0°C) 1 Jun Normal year · 20 years of data
Frost-free season 107 days 1 Jun – 16 Sep
Probability that frost is over

50% = 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)
13 – 27 Apr
14 Jun
5-7 wk
1 Jun
19 Jul
0 wk
5 Jun
9 Jul
1 wk after
Broccoli
Brassica oleracea (Italica-gruppen)
20 Apr – 4 May
26 Jun
4-6 wk
1 Jun
24 Jul
0 wk
5 Jun
14 Jul
1 wk after
Chili pepper
Capsicum annuum
Greenhouse
24 Mar – 21 Apr
14 Apr
8-12 wk
16 Jun
2 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
13 – 27 Apr
9 Jun
5-7 wk
1 Jun
14 Jul
0 wk
1 Jun
4 Jul
0 wk
Garden cucumber
Cucumis sativus
Fleece
31 May – 7 Jun
8 Jun
3-4 wk
28 Jun
29 Jun
4 wk after
Florence Fennel
Foeniculum vulgare
9 – 16 Jun
4-5 wk
14 Jul
6 wk after
20 Jul
7 wk after
Butter bean
Phaseolus lunatus
Season too short
21 – 28 Jun
3-4 wk
19 Jul
7 wk after
Onion
Allium cepa (Cepa-gruppen)
9 Mar – 6 Apr
25 Mar
8-12 wk
1 Jun
0 wk
22 Jun
3 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
5 Jun
9 Jun
1 wk after
5 Jun
1 wk after
Maize
Zea mays
Fleece
19 – 26 May
29 May
3-4 wk
16 Jun
19 Jun
2 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
12 – 19 May
2 Jul
3-4 wk
9 Jun
23 Jul
1 wk after
22 Jun
13 Jul
3 wk after
Carrot
Daucus carota subsp. sativus var. sativus
1 Jun
4 Jul
0 wk
1 Jun
24 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
13 – 27 Apr
9 Jun
5-7 wk
1 Jun
14 Jul
0 wk
1 Jun
4 Jul
0 wk
Potato
Solanum tuberosum
6 – 20 May
21 May
4-6 wk
17 Jun
18 Jun
2 wk after
17 Jun
2 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
13 – 27 Apr
19 Jun
5-7 wk
1 Jun
24 Jul
0 wk
5 Jun
14 Jul
1 wk after
Pumpkin
Cucurbita pepo
16 – 23 Jun
3-4 wk
14 Jul
6 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
12 – 19 May
8 Jun
3-4 wk
9 Jun
29 Jun
1 wk after
22 Jun
3 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
20 Apr – 4 May
21 Jun
4-6 wk
1 Jun
19 Jul
0 wk
Lettuce
Lactuca sativa
4 – 11 May
8 Jul
3-4 wk
1 Jun
29 Jul
0 wk
5 Jun
19 Jul
1 wk after
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
20 Apr – 4 May
21 Jun
4-6 wk
1 Jun
19 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
4 – 18 May
31 May
2-4 wk
1 Jun
14 Jun
0 wk
1 Jun
4 Jun
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
5 Jun
9 Jun
1 wk after
5 Jun
1 wk after
Spinach
Spinacia oleracea
4 – 11 May
23 Jul
3-4 wk
1 Jun
13 Aug
0 wk
28 May
3 Aug
1 wk before
Sweet potato
Ipomoea batatas
3 – 17 Jul
4-6 wk
14 Aug
11 wk after
Garden tomato
Solanum lycopersicum
Fleece
21 Apr – 5 May
8 May
6-8 wk
16 Jun
19 Jun
2 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
31 May – 14 Jun
15 Jun
2-4 wk
28 Jun
29 Jun
4 wk after
20 Jul
7 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
20 Apr – 4 May
21 Jun
4-6 wk
1 Jun
19 Jul
0 wk
Garden pea
Pisum sativum
4 – 11 May
23 Jun
3-4 wk
1 Jun
14 Jul
0 wk
5 Jun
4 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
2 – 16 Jun
4-6 wk
14 Jul
6 wk after
Lemon balm
Melissa officinalis
23 Mar – 6 Apr
19 May
8-10 wk
1 Jun
14 Jul
0 wk
6 Jul
5 wk after
Dill
Anethum graveolens
5 Jun
23 Jul
1 wk after
Wild chives
Allium schoenoprasum
6 – 20 Apr
2 Jun
6-8 wk
1 Jun
14 Jul
0 wk
5 Jun
4 Jul
1 wk after
Spearmint
Mentha spicata
9 Mar – 6 Apr
19 May
8-12 wk
1 Jun
14 Jul
0 wk
6 Jul
5 wk after
Coriander
Coriandrum sativum
1 Jun
12 Aug
0 wk
22 Jun
2 Aug
3 wk after
Garden sage
Salvia officinalis
31 Mar – 14 Apr
4 May
8-10 wk
9 Jun
29 Jun
1 wk after
Common thyme
Thymus vulgaris
23 Mar – 6 Apr
9 May
8-10 wk
1 Jun
4 Jul
0 wk
Oregano
Origanum vulgare
6 – 20 Apr
23 May
6-8 wk
1 Jun
4 Jul
0 wk
6 Jul
5 wk after
Parsley
Petroselinum crispum
6 – 20 Apr
23 May
6-8 wk
1 Jun
4 Jul
0 wk
5 Jun
24 Jun
1 wk after
Rosemary
Salvia rosmarinus
3 – 31 Mar
31 Mar
10-14 wk
9 Jun
9 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
16 – 23 Jun
3-4 wk
14 Jul
6 wk after
Cornflower
Centaurea cyanus
1 Jun
14 Jul
0 wk
5 Jun
4 Jul
1 wk after
Statice
Limonium sinuatum
19 Apr – 3 May
26 Apr
8-10 wk
28 Jun
4 wk after
Sweet William
Dianthus barbatus
6 – 20 Apr
6-8 wk
1 Jun
0 wk
17 Jun
2 wk after
Snow-on-the-mountain
Euphorbia marginata
3 – 17 May
10 May
6-8 wk
28 Jun
4 wk after
14 Aug
11 wk after
Pinnate dahlia
Dahlia × pinnata
25 Apr – 9 May
17 May
6-8 wk
20 Jun
28 Jun
3 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
11 May – 8 Jun
31 May
4-8 wk
6 Jul
5 wk after
6 Jul
5 wk after
Foxglove
Digitalis purpurea
23 Mar – 6 Apr
8-10 wk
1 Jun
0 wk
22 Jun
3 wk after
Busy lizzie
Impatiens walleriana
21 Apr – 19 May
12 Jun
8-12 wk
14 Jul
7 Aug
6 wk after
Creeping zinnia
Sanvitalia procumbens
3 – 17 May
20 May
6-8 wk
28 Jun
1 Jul
4 wk after
Hyacinth bean
Dolichos lablab
Season too short
17 – 31 May
4-6 wk
28 Jun
4 wk after
Chinese lantern
Physalis alkekengi
31 Mar – 14 Apr
18 Apr
8-10 wk
9 Jun
13 Jun
1 wk after
Love in a mist
Nigella damascena
1 Jun
29 Jun
0 wk
5 Jun
19 Jun
1 wk after
Strawflower
Xerochrysum bracteatum
3 – 17 May
6-8 wk
28 Jun
4 wk after
14 Aug
11 wk after
Purple-top vervain
Verbena bonariensis
17 Mar – 14 Apr
18 Apr
8-12 wk
9 Jun
13 Jun
1 wk after
Cardoon
Cynara cardunculus
Fleece
24 Mar – 21 Apr
8-12 wk
16 Jun
2 wk after
Regal-foxtail
Ptilotus nobilis
Fleece
5 Apr – 3 May
17 Apr
8-12 wk
28 Jun
4 wk after
Globe amaranth
Gomphrena globosa
Fleece
3 – 17 May
6-8 wk
28 Jun
4 wk after
Corn poppy
Papaver rhoeas
1 Jun
14 Jul
0 wk
5 Jun
4 Jul
1 wk after
Snapdragon
Antirrhinum majus
9 Mar – 6 Apr
9 May
8-12 wk
1 Jun
4 Jul
0 wk
17 Jun
24 Jun
2 wk after
Flossflower
Ageratum houstonianum
5 – 19 May
6 May
8-10 wk
14 Jul
6 wk after
Sweet pea
Lathyrus odoratus
6 – 27 Apr
30 May
5-8 wk
1 Jun
4 Jul
0 wk
Stock
Matthiola incana
6 – 20 Apr
2 Jun
6-8 wk
1 Jun
14 Jul
0 wk
22 Jun
4 Jul
3 wk after
Wormwood
Artemisia absinthium
6 – 20 Apr
3 May
6-8 wk
1 Jun
14 Jun
0 wk
22 Jun
3 wk after
Mexican sunflower
Tithonia rotundifolia
Fleece
17 – 31 May
4-6 wk
28 Jun
4 wk after
Garden pansy
Viola × wittrockiana
23 Mar – 6 Apr
19 May
8-10 wk
1 Jun
14 Jul
0 wk
17 Jun
4 Jul
2 wk after
Petunia
Petunia
5 Apr – 3 May
26 Apr
8-12 wk
28 Jun
4 wk after
Sweet Scabious
Scabiosa atropurpurea
14 – 28 Apr
2 May
6-8 wk
9 Jun
13 Jun
1 wk after
20 Jul
7 wk after
Common zinnia
Zinnia elegans
17 – 31 May
25 May
4-6 wk
28 Jun
4 wk after
Common morning glory
Ipomoea purpurea
9 – 23 Jun
3-5 wk
14 Jul
6 wk after
Garden cosmos
Cosmos bipinnatus
17 – 31 May
31 May
4-6 wk
28 Jun
28 Jun
4 wk after
20 Jul
7 wk after
Scarlet milkweed
Asclepias curassavica
Fleece
21 Apr – 19 May
17 May
8-12 wk
14 Jul
6 wk after
Bee balm
Monarda didyma
9 Mar – 6 Apr
19 Apr
8-12 wk
1 Jun
14 Jun
0 wk
6 Jul
5 wk after
Yarrow
Achillea millefolium
6 – 20 Apr
6-8 wk
1 Jun
0 wk
22 Jun
3 wk after
Safflower
Carthamus tinctorius
1 Jun
14 Jun
0 wk
5 Jun
1 wk after
Iceland poppy
Papaver nudicaule
Season too short
6 – 20 Apr
23 May
6-8 wk
1 Jun
4 Jul
0 wk
14 May
24 Jun
3 wk before
Bishop's flower
Ammi majus
20 Apr – 4 May
6 Jun
4-6 wk
1 Jun
4 Jul
0 wk
22 Jun
24 Jun
3 wk after
Drumsticks
Pycnosorus globosus
Fleece
5 – 19 Apr
10-12 wk
28 Jun
4 wk after
Sunflower
Helianthus annuus
31 May – 7 Jun
8 Jun
3-4 wk
28 Jun
29 Jun
4 wk after
6 Jul
5 wk after
China aster
Callistephus chinensis
3 – 17 May
28 May
6-8 wk
28 Jun
9 Jul
4 wk after
20 Jul
7 wk after
Annual phlox
Phlox drummondii
21 Apr – 5 May
20 May
6-8 wk
16 Jun
1 Jul
2 wk after
20 Jul
7 wk after
Hollyhock
Alcea rosea
6 – 20 Apr
6-8 wk
1 Jun
0 wk
22 Jun
3 wk after
Alpine delphinium
Delphinium elatum
9 Mar – 6 Apr
19 Apr
8-12 wk
1 Jun
14 Jun
0 wk
6 Jul
5 wk after
African marigold
Tagetes erecta
3 – 17 May
20 May
6-8 wk
28 Jun
1 Jul
4 wk after
Black-eyed Susan
Rudbeckia hirta
14 – 28 Apr
18 May
6-8 wk
9 Jun
29 Jun
1 wk after
20 Jul
7 wk after
Wood sage
Salvia nemorosa
23 Mar – 6 Apr
9 Apr
8-10 wk
1 Jun
4 Jun
0 wk
6 Jul
5 wk after
Black-eyed susan vine
Thunbergia alata
5 May – 2 Jun
8 May
6-10 wk
14 Jul
6 wk after
California goldenpoppy
Eschscholzia californica
1 Jun
14 Jul
0 wk
5 Jun
4 Jul
1 wk after
Painted tongue
Salpiglossis sinuata
19 Apr – 3 May
26 Apr
8-10 wk
28 Jun
4 wk after
Water forget-me-not
Myosotis scorpioides
6 – 20 Apr
3 May
6-8 wk
1 Jun
14 Jun
0 wk
22 Jun
3 wk after