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Method
Rel. frost
Last spring frost (0°C) 12 Jun Frost 1 of 4 years · 20 years of data
Frost-free season 97 days 12 Jun – 17 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)
24 Apr – 8 May
14 Jun
5-7 wk
12 Jun
19 Jul
0 wk
16 Jun
9 Jul
1 wk after
Broccoli
Brassica oleracea (Italica-gruppen)
1 – 15 May
26 Jun
4-6 wk
12 Jun
24 Jul
0 wk
16 Jun
14 Jul
1 wk after
Chili pepper
Capsicum annuum
Greenhouse
4 Apr – 2 May
13 Apr
8-12 wk
27 Jun
2 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
24 Apr – 8 May
9 Jun
5-7 wk
12 Jun
14 Jul
0 wk
12 Jun
4 Jul
0 wk
Garden cucumber
Cucumis sativus
27 Jun – 4 Jul
3-4 wk
25 Jul
6 wk after
Florence Fennel
Foeniculum vulgare
20 – 27 Jun
4-5 wk
25 Jul
6 wk after
31 Jul
7 wk after
Butter bean
Phaseolus lunatus
Season too short
2 – 9 Jul
3-4 wk
30 Jul
7 wk after
Onion
Allium cepa (Cepa-gruppen)
Fleece
20 Mar – 17 Apr
30 Mar
8-12 wk
12 Jun
0 wk
22 Jun
1 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
16 Jun
1 wk after
16 Jun
1 wk after
Maize
Zea mays
Fleece
30 May – 6 Jun
3-4 wk
27 Jun
2 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
23 – 30 May
3 Jul
3-4 wk
20 Jun
24 Jul
1 wk after
3 Jul
14 Jul
3 wk after
Carrot
Daucus carota subsp. sativus var. sativus
12 Jun
4 Jul
0 wk
12 Jun
24 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
24 Apr – 8 May
9 Jun
5-7 wk
12 Jun
14 Jul
0 wk
12 Jun
4 Jul
0 wk
Potato
Solanum tuberosum
17 – 31 May
26 May
4-6 wk
28 Jun
2 wk after
28 Jun
2 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
24 Apr – 8 May
19 Jun
5-7 wk
12 Jun
24 Jul
0 wk
16 Jun
14 Jul
1 wk after
Pumpkin
Cucurbita pepo
27 Jun – 4 Jul
3-4 wk
25 Jul
6 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
23 – 30 May
11 Jun
3-4 wk
20 Jun
2 Jul
1 wk after
3 Jul
3 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
1 – 15 May
21 Jun
4-6 wk
12 Jun
19 Jul
0 wk
Lettuce
Lactuca sativa
15 – 22 May
8 Jul
3-4 wk
12 Jun
29 Jul
0 wk
16 Jun
19 Jul
1 wk after
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
1 – 15 May
21 Jun
4-6 wk
12 Jun
19 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
15 – 29 May
31 May
2-4 wk
12 Jun
14 Jun
0 wk
12 Jun
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
16 Jun
1 wk after
16 Jun
1 wk after
Spinach
Spinacia oleracea
15 – 22 May
23 Jul
3-4 wk
12 Jun
13 Aug
0 wk
8 Jun
3 Aug
1 wk before
Sweet potato
Ipomoea batatas
14 – 28 Jul
4-6 wk
25 Aug
11 wk after
Garden tomato
Solanum lycopersicum
Fleece
2 – 16 May
7 May
6-8 wk
27 Jun
2 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
11 – 25 Jun
14 Jun
2-4 wk
9 Jul
4 wk after
31 Jul
7 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
1 – 15 May
21 Jun
4-6 wk
12 Jun
19 Jul
0 wk
Garden pea
Pisum sativum
15 – 22 May
23 Jun
3-4 wk
12 Jun
14 Jul
0 wk
16 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
13 – 27 Jun
4-6 wk
25 Jul
6 wk after
Lemon balm
Melissa officinalis
3 – 17 Apr
19 May
8-10 wk
12 Jun
14 Jul
0 wk
17 Jul
5 wk after
Dill
Anethum graveolens
16 Jun
24 Jul
1 wk after
Wild chives
Allium schoenoprasum
17 Apr – 1 May
2 Jun
6-8 wk
12 Jun
14 Jul
0 wk
16 Jun
4 Jul
1 wk after
Spearmint
Mentha spicata
20 Mar – 17 Apr
19 May
8-12 wk
12 Jun
14 Jul
0 wk
17 Jul
5 wk after
Coriander
Coriandrum sativum
12 Jun
13 Aug
0 wk
3 Jul
3 Aug
3 wk after
Garden sage
Salvia officinalis
11 – 25 Apr
4 May
8-10 wk
20 Jun
29 Jun
1 wk after
Common thyme
Thymus vulgaris
3 – 17 Apr
9 May
8-10 wk
12 Jun
4 Jul
0 wk
Oregano
Origanum vulgare
17 Apr – 1 May
23 May
6-8 wk
12 Jun
4 Jul
0 wk
17 Jul
5 wk after
Parsley
Petroselinum crispum
17 Apr – 1 May
23 May
6-8 wk
12 Jun
4 Jul
0 wk
16 Jun
24 Jun
1 wk after
Rosemary
Salvia rosmarinus
14 Mar – 11 Apr
2 Apr
10-14 wk
20 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
27 Jun – 4 Jul
3-4 wk
25 Jul
6 wk after
Cornflower
Centaurea cyanus
12 Jun
14 Jul
0 wk
16 Jun
4 Jul
1 wk after
Statice
Limonium sinuatum
30 Apr – 14 May
1 May
8-10 wk
9 Jul
4 wk after
Sweet William
Dianthus barbatus
17 Apr – 1 May
6-8 wk
12 Jun
0 wk
28 Jun
2 wk after
Snow-on-the-mountain
Euphorbia marginata
14 – 28 May
15 May
6-8 wk
9 Jul
4 wk after
25 Aug
11 wk after
Pinnate dahlia
Dahlia × pinnata
6 – 20 May
17 May
6-8 wk
1 Jul
3 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
22 May – 19 Jun
31 May
4-8 wk
17 Jul
5 wk after
17 Jul
5 wk after
Foxglove
Digitalis purpurea
3 – 17 Apr
8-10 wk
12 Jun
0 wk
3 Jul
3 wk after
Busy lizzie
Impatiens walleriana
2 – 30 May
17 Jun
8-12 wk
25 Jul
12 Aug
6 wk after
Creeping zinnia
Sanvitalia procumbens
14 – 28 May
25 May
6-8 wk
9 Jul
4 wk after
Hyacinth bean
Dolichos lablab
Season too short
28 May – 11 Jun
4-6 wk
9 Jul
4 wk after
Chinese lantern
Physalis alkekengi
11 – 25 Apr
19 Apr
8-10 wk
20 Jun
1 wk after
Love in a mist
Nigella damascena
12 Jun
29 Jun
0 wk
16 Jun
19 Jun
1 wk after
Strawflower
Xerochrysum bracteatum
14 – 28 May
6-8 wk
9 Jul
4 wk after
25 Aug
11 wk after
Purple-top vervain
Verbena bonariensis
28 Mar – 25 Apr
19 Apr
8-12 wk
20 Jun
1 wk after
Cardoon
Cynara cardunculus
Fleece
4 Apr – 2 May
8-12 wk
27 Jun
2 wk after
Regal-foxtail
Ptilotus nobilis
Fleece
16 Apr – 14 May
22 Apr
8-12 wk
9 Jul
4 wk after
Globe amaranth
Gomphrena globosa
Fleece
14 – 28 May
6-8 wk
9 Jul
4 wk after
Corn poppy
Papaver rhoeas
12 Jun
14 Jul
0 wk
16 Jun
4 Jul
1 wk after
Snapdragon
Antirrhinum majus
20 Mar – 17 Apr
9 May
8-12 wk
12 Jun
4 Jul
0 wk
28 Jun
2 wk after
Flossflower
Ageratum houstonianum
16 – 30 May
8-10 wk
25 Jul
6 wk after
Sweet pea
Lathyrus odoratus
17 Apr – 8 May
30 May
5-8 wk
12 Jun
4 Jul
0 wk
Stock
Matthiola incana
17 Apr – 1 May
2 Jun
6-8 wk
12 Jun
14 Jul
0 wk
3 Jul
4 Jul
3 wk after
Wormwood
Artemisia absinthium
17 Apr – 1 May
3 May
6-8 wk
12 Jun
14 Jun
0 wk
3 Jul
3 wk after
Mexican sunflower
Tithonia rotundifolia
Fleece
28 May – 11 Jun
4-6 wk
9 Jul
4 wk after
Garden pansy
Viola × wittrockiana
3 – 17 Apr
19 May
8-10 wk
12 Jun
14 Jul
0 wk
28 Jun
4 Jul
2 wk after
Petunia
Petunia
16 Apr – 14 May
1 May
8-12 wk
9 Jul
4 wk after
Sweet Scabious
Scabiosa atropurpurea
25 Apr – 9 May
3 May
6-8 wk
20 Jun
1 wk after
31 Jul
7 wk after
Common zinnia
Zinnia elegans
28 May – 11 Jun
30 May
4-6 wk
9 Jul
4 wk after
Common morning glory
Ipomoea purpurea
20 Jun – 4 Jul
3-5 wk
25 Jul
6 wk after
Garden cosmos
Cosmos bipinnatus
28 May – 11 Jun
31 May
4-6 wk
9 Jul
4 wk after
31 Jul
7 wk after
Scarlet milkweed
Asclepias curassavica
Fleece
2 – 30 May
22 May
8-12 wk
25 Jul
6 wk after
Bee balm
Monarda didyma
20 Mar – 17 Apr
19 Apr
8-12 wk
12 Jun
14 Jun
0 wk
17 Jul
5 wk after
Yarrow
Achillea millefolium
17 Apr – 1 May
6-8 wk
12 Jun
0 wk
3 Jul
3 wk after
Safflower
Carthamus tinctorius
12 Jun
14 Jun
0 wk
16 Jun
1 wk after
Iceland poppy
Papaver nudicaule
Season too short
17 Apr – 1 May
23 May
6-8 wk
12 Jun
4 Jul
0 wk
25 May
24 Jun
3 wk before
Bishop's flower
Ammi majus
1 – 15 May
6 Jun
4-6 wk
12 Jun
4 Jul
0 wk
3 Jul
3 wk after
Drumsticks
Pycnosorus globosus
Fleece
16 – 30 Apr
10-12 wk
9 Jul
4 wk after
Sunflower
Helianthus annuus
11 – 18 Jun
3-4 wk
9 Jul
4 wk after
17 Jul
5 wk after
China aster
Callistephus chinensis
14 – 28 May
30 May
6-8 wk
9 Jul
11 Jul
4 wk after
31 Jul
7 wk after
Annual phlox
Phlox drummondii
2 – 16 May
25 May
6-8 wk
27 Jun
6 Jul
2 wk after
31 Jul
7 wk after
Hollyhock
Alcea rosea
17 Apr – 1 May
6-8 wk
12 Jun
0 wk
3 Jul
3 wk after
Alpine delphinium
Delphinium elatum
20 Mar – 17 Apr
19 Apr
8-12 wk
12 Jun
14 Jun
0 wk
17 Jul
5 wk after
African marigold
Tagetes erecta
14 – 28 May
25 May
6-8 wk
9 Jul
4 wk after
Black-eyed Susan
Rudbeckia hirta
25 Apr – 9 May
20 May
6-8 wk
20 Jun
1 Jul
1 wk after
31 Jul
7 wk after
Wood sage
Salvia nemorosa
3 – 17 Apr
9 Apr
8-10 wk
12 Jun
0 wk
17 Jul
5 wk after
Black-eyed susan vine
Thunbergia alata
16 May – 13 Jun
6-10 wk
25 Jul
6 wk after
California goldenpoppy
Eschscholzia californica
12 Jun
14 Jul
0 wk
16 Jun
4 Jul
1 wk after
Painted tongue
Salpiglossis sinuata
30 Apr – 14 May
8-10 wk
9 Jul
4 wk after
Water forget-me-not
Myosotis scorpioides
17 Apr – 1 May
3 May
6-8 wk
12 Jun
14 Jun
0 wk
3 Jul
3 wk after