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Method
Rel. frost
Last spring frost (0°C) 8 Jun Frost 1 of 4 years · 20 years of data
Frost-free season 111 days 8 Jun – 27 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)
20 Apr – 4 May
16 Jun
5-7 wk
8 Jun
21 Jul
0 wk
12 Jun
11 Jul
1 wk after
Broccoli
Brassica oleracea (Italica-gruppen)
27 Apr – 11 May
28 Jun
4-6 wk
8 Jun
26 Jul
0 wk
12 Jun
16 Jul
1 wk after
Chili pepper
Capsicum annuum
Greenhouse
22 Mar – 19 Apr
2 Apr
8-12 wk
14 Jun
1 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
20 Apr – 4 May
11 Jun
5-7 wk
8 Jun
16 Jul
0 wk
8 Jun
6 Jul
0 wk
Garden cucumber
Cucumis sativus
Fleece
24 – 31 May
27 May
3-4 wk
21 Jun
2 wk after
Florence Fennel
Foeniculum vulgare
5 – 12 Jun
4-5 wk
10 Jul
5 wk after
27 Jul
7 wk after
Butter bean
Phaseolus lunatus
Season too short
19 – 26 Jun
3-4 wk
17 Jul
6 wk after
Onion
Allium cepa (Cepa-gruppen)
Fleece
16 Mar – 13 Apr
1 Apr
8-12 wk
8 Jun
0 wk
18 Jun
1 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
12 Jun
1 wk after
12 Jun
1 wk after
Maize
Zea mays
Fleece
17 – 24 May
17 May
3-4 wk
14 Jun
1 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
13 – 20 May
5 Jul
3-4 wk
10 Jun
26 Jul
0 wk
29 Jun
16 Jul
3 wk after
Carrot
Daucus carota subsp. sativus var. sativus
8 Jun
6 Jul
0 wk
8 Jun
26 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
20 Apr – 4 May
11 Jun
5-7 wk
8 Jun
16 Jul
0 wk
8 Jun
6 Jul
0 wk
Potato
Solanum tuberosum
13 – 27 May
23 May
4-6 wk
24 Jun
2 wk after
24 Jun
2 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
20 Apr – 4 May
21 Jun
5-7 wk
8 Jun
26 Jul
0 wk
12 Jun
16 Jul
1 wk after
Pumpkin
Cucurbita pepo
12 – 19 Jun
3-4 wk
10 Jul
5 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
13 – 20 May
26 May
3-4 wk
10 Jun
16 Jun
0 wk
29 Jun
3 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
27 Apr – 11 May
23 Jun
4-6 wk
8 Jun
21 Jul
0 wk
Lettuce
Lactuca sativa
11 – 18 May
10 Jul
3-4 wk
8 Jun
31 Jul
0 wk
12 Jun
21 Jul
1 wk after
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
27 Apr – 11 May
23 Jun
4-6 wk
8 Jun
21 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
11 – 25 May
30 May
2-4 wk
8 Jun
13 Jun
0 wk
8 Jun
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
12 Jun
1 wk after
12 Jun
1 wk after
Spinach
Spinacia oleracea
11 – 18 May
25 Jul
3-4 wk
8 Jun
15 Aug
0 wk
4 Jun
5 Aug
1 wk before
Sweet potato
Ipomoea batatas
10 – 24 Jul
4-6 wk
21 Aug
11 wk after
Garden tomato
Solanum lycopersicum
Fleece
19 Apr – 3 May
26 Apr
6-8 wk
14 Jun
1 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
24 May – 7 Jun
3 Jun
2-4 wk
21 Jun
2 wk after
27 Jul
7 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
27 Apr – 11 May
23 Jun
4-6 wk
8 Jun
21 Jul
0 wk
Garden pea
Pisum sativum
11 – 18 May
25 Jun
3-4 wk
8 Jun
16 Jul
0 wk
12 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
10 – 24 May
28 May
4-6 wk
21 Jun
25 Jun
2 wk after
Lemon balm
Melissa officinalis
30 Mar – 13 Apr
21 May
8-10 wk
8 Jun
16 Jul
0 wk
13 Jul
5 wk after
Dill
Anethum graveolens
12 Jun
26 Jul
1 wk after
Wild chives
Allium schoenoprasum
13 – 27 Apr
4 Jun
6-8 wk
8 Jun
16 Jul
0 wk
12 Jun
6 Jul
1 wk after
Spearmint
Mentha spicata
16 Mar – 13 Apr
21 May
8-12 wk
8 Jun
16 Jul
0 wk
13 Jul
5 wk after
Coriander
Coriandrum sativum
8 Jun
15 Aug
0 wk
29 Jun
5 Aug
3 wk after
Garden sage
Salvia officinalis
1 – 15 Apr
6 May
8-10 wk
10 Jun
1 Jul
0 wk
Common thyme
Thymus vulgaris
30 Mar – 13 Apr
11 May
8-10 wk
8 Jun
6 Jul
0 wk
Oregano
Origanum vulgare
13 – 27 Apr
25 May
6-8 wk
8 Jun
6 Jul
0 wk
13 Jul
5 wk after
Parsley
Petroselinum crispum
13 – 27 Apr
25 May
6-8 wk
8 Jun
6 Jul
0 wk
12 Jun
26 Jun
1 wk after
Rosemary
Salvia rosmarinus
4 Mar – 1 Apr
7 Apr
10-14 wk
10 Jun
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
24 – 31 May
4 Jun
3-4 wk
21 Jun
25 Jun
2 wk after
Cornflower
Centaurea cyanus
8 Jun
16 Jul
0 wk
12 Jun
6 Jul
1 wk after
Statice
Limonium sinuatum
12 – 26 Apr
22 Apr
8-10 wk
21 Jun
2 wk after
Sweet William
Dianthus barbatus
13 – 27 Apr
6-8 wk
8 Jun
0 wk
24 Jun
2 wk after
Snow-on-the-mountain
Euphorbia marginata
26 Apr – 10 May
6 May
6-8 wk
21 Jun
2 wk after
21 Aug
11 wk after
Pinnate dahlia
Dahlia × pinnata
24 Apr – 8 May
17 May
6-8 wk
19 Jun
28 Jun
2 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
18 May – 15 Jun
31 May
4-8 wk
13 Jul
5 wk after
13 Jul
5 wk after
Foxglove
Digitalis purpurea
30 Mar – 13 Apr
8-10 wk
8 Jun
0 wk
29 Jun
3 wk after
Busy lizzie
Impatiens walleriana
17 Apr – 15 May
15 Jun
8-12 wk
10 Jul
10 Aug
5 wk after
Creeping zinnia
Sanvitalia procumbens
26 Apr – 10 May
16 May
6-8 wk
21 Jun
27 Jun
2 wk after
Hyacinth bean
Dolichos lablab
Season too short
10 – 24 May
4-6 wk
21 Jun
2 wk after
Chinese lantern
Physalis alkekengi
1 – 15 Apr
21 Apr
8-10 wk
10 Jun
16 Jun
0 wk
Love in a mist
Nigella damascena
8 Jun
1 Jul
0 wk
12 Jun
21 Jun
1 wk after
Strawflower
Xerochrysum bracteatum
26 Apr – 10 May
26 Apr
6-8 wk
21 Jun
2 wk after
21 Aug
11 wk after
Purple-top vervain
Verbena bonariensis
18 Mar – 15 Apr
21 Apr
8-12 wk
10 Jun
16 Jun
0 wk
Cardoon
Cynara cardunculus
Fleece
22 Mar – 19 Apr
22 Mar
8-12 wk
14 Jun
1 wk after
Regal-foxtail
Ptilotus nobilis
Fleece
29 Mar – 26 Apr
20 Apr
8-12 wk
21 Jun
2 wk after
Globe amaranth
Gomphrena globosa
Fleece
26 Apr – 10 May
4 May
6-8 wk
21 Jun
2 wk after
Corn poppy
Papaver rhoeas
8 Jun
16 Jul
0 wk
12 Jun
6 Jul
1 wk after
Snapdragon
Antirrhinum majus
16 Mar – 13 Apr
11 May
8-12 wk
8 Jun
6 Jul
0 wk
24 Jun
26 Jun
2 wk after
Flossflower
Ageratum houstonianum
1 – 15 May
2 May
8-10 wk
10 Jul
5 wk after
Sweet pea
Lathyrus odoratus
13 Apr – 4 May
1 Jun
5-8 wk
8 Jun
6 Jul
0 wk
Stock
Matthiola incana
13 – 27 Apr
4 Jun
6-8 wk
8 Jun
16 Jul
0 wk
29 Jun
6 Jul
3 wk after
Wormwood
Artemisia absinthium
13 – 27 Apr
5 May
6-8 wk
8 Jun
16 Jun
0 wk
29 Jun
3 wk after
Mexican sunflower
Tithonia rotundifolia
Fleece
10 – 24 May
13 May
4-6 wk
21 Jun
2 wk after
Garden pansy
Viola × wittrockiana
30 Mar – 13 Apr
21 May
8-10 wk
8 Jun
16 Jul
0 wk
24 Jun
6 Jul
2 wk after
Petunia
Petunia
29 Mar – 26 Apr
22 Apr
8-12 wk
21 Jun
2 wk after
Sweet Scabious
Scabiosa atropurpurea
15 – 29 Apr
5 May
6-8 wk
10 Jun
16 Jun
0 wk
27 Jul
7 wk after
Common zinnia
Zinnia elegans
10 – 24 May
28 May
4-6 wk
21 Jun
25 Jun
2 wk after
Common morning glory
Ipomoea purpurea
Fleece
17 – 31 May
4 Jun
3-5 wk
21 Jun
25 Jun
2 wk after
Garden cosmos
Cosmos bipinnatus
10 – 24 May
31 May
4-6 wk
21 Jun
28 Jun
2 wk after
27 Jul
7 wk after
Scarlet milkweed
Asclepias curassavica
Fleece
17 Apr – 15 May
20 May
8-12 wk
10 Jul
15 Jul
5 wk after
Bee balm
Monarda didyma
16 Mar – 13 Apr
21 Apr
8-12 wk
8 Jun
16 Jun
0 wk
13 Jul
5 wk after
Yarrow
Achillea millefolium
13 – 27 Apr
6-8 wk
8 Jun
0 wk
29 Jun
3 wk after
Safflower
Carthamus tinctorius
8 Jun
16 Jun
0 wk
12 Jun
1 wk after
Iceland poppy
Papaver nudicaule
Season too short
13 – 27 Apr
25 May
6-8 wk
8 Jun
6 Jul
0 wk
21 May
26 Jun
3 wk before
Bishop's flower
Ammi majus
27 Apr – 11 May
8 Jun
4-6 wk
8 Jun
6 Jul
0 wk
29 Jun
3 wk after
Drumsticks
Pycnosorus globosus
Fleece
29 Mar – 12 Apr
30 Mar
10-12 wk
21 Jun
2 wk after
Sunflower
Helianthus annuus
24 – 31 May
15 Jun
3-4 wk
21 Jun
6 Jul
2 wk after
13 Jul
5 wk after
China aster
Callistephus chinensis
26 Apr – 10 May
4 Jun
6-8 wk
21 Jun
16 Jul
2 wk after
27 Jul
7 wk after
Annual phlox
Phlox drummondii
19 Apr – 3 May
16 May
6-8 wk
14 Jun
27 Jun
1 wk after
27 Jul
7 wk after
Hollyhock
Alcea rosea
13 – 27 Apr
6-8 wk
8 Jun
0 wk
29 Jun
3 wk after
Alpine delphinium
Delphinium elatum
16 Mar – 13 Apr
21 Apr
8-12 wk
8 Jun
16 Jun
0 wk
13 Jul
5 wk after
African marigold
Tagetes erecta
26 Apr – 10 May
16 May
6-8 wk
21 Jun
27 Jun
2 wk after
Black-eyed Susan
Rudbeckia hirta
15 – 29 Apr
25 May
6-8 wk
10 Jun
6 Jul
0 wk
27 Jul
7 wk after
Wood sage
Salvia nemorosa
30 Mar – 13 Apr
11 Apr
8-10 wk
8 Jun
0 wk
13 Jul
5 wk after
Black-eyed susan vine
Thunbergia alata
Fleece
12 Apr – 10 May
14 May
6-10 wk
21 Jun
25 Jun
2 wk after
California goldenpoppy
Eschscholzia californica
8 Jun
16 Jul
0 wk
12 Jun
6 Jul
1 wk after
Painted tongue
Salpiglossis sinuata
12 – 26 Apr
7 May
8-10 wk
21 Jun
2 Jul
2 wk after
Water forget-me-not
Myosotis scorpioides
13 – 27 Apr
5 May
6-8 wk
8 Jun
16 Jun
0 wk
29 Jun
3 wk after