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Method
Rel. frost
Last spring frost (0°C) 30 May Frost 1 of 10 years · 20 years of data
Frost-free season 134 days 30 May – 11 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)
11 – 25 Apr
19 Jun
5-7 wk
30 May
24 Jul
0 wk
24 May
14 Jul
1 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
18 Apr – 2 May
1 Jul
4-6 wk
30 May
29 Jul
0 wk
24 May
19 Jul
1 wk before
Chili pepper
Capsicum annuum
Season too short
13 Mar – 10 Apr
8-12 wk
5 Jun
1 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
11 – 25 Apr
14 Jun
5-7 wk
30 May
19 Jul
0 wk
17 May
9 Jul
2 wk before
Garden cucumber
Cucumis sativus
Greenhouse
8 – 15 May
23 May
3-4 wk
5 Jun
13 Jun
1 wk after
Florence Fennel
Foeniculum vulgare
27 May – 3 Jun
11 Jun
4-5 wk
1 Jul
9 Jul
5 wk after
10 Jul
6 wk after
Butter bean
Phaseolus lunatus
Season too short
10 – 17 Jun
3-4 wk
8 Jul
6 wk after
Onion
Allium cepa (Cepa-gruppen)
7 Mar – 4 Apr
4 Apr
8-12 wk
30 May
30 May
0 wk
12 Jun
2 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
24 May
19 Jun
1 wk before
24 May
9 Jun
1 wk before
Maize
Zea mays
Greenhouse
2 – 9 May
13 May
3-4 wk
30 May
3 Jun
0 wk
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
4 – 11 May
8 Jul
3-4 wk
1 Jun
29 Jul
0 wk
12 Jun
19 Jul
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
30 May
9 Jul
0 wk
17 May
29 Jun
2 wk before
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
11 – 25 Apr
14 Jun
5-7 wk
30 May
19 Jul
0 wk
17 May
9 Jul
2 wk before
Potato
Solanum tuberosum
23 Apr – 7 May
11 Jun
4-6 wk
4 Jun
9 Jul
1 wk after
4 Jun
29 Jun
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
11 – 25 Apr
24 Jun
5-7 wk
30 May
29 Jul
0 wk
24 May
19 Jul
1 wk before
Pumpkin
Cucurbita pepo
Fleece
15 – 22 May
28 May
3-4 wk
12 Jun
18 Jun
2 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
4 – 11 May
30 Jun
3-4 wk
1 Jun
21 Jul
0 wk
12 Jun
11 Jul
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
18 Apr – 2 May
26 Jun
4-6 wk
30 May
24 Jul
0 wk
Lettuce
Lactuca sativa
2 – 9 May
13 Jul
3-4 wk
30 May
3 Aug
0 wk
24 May
24 Jul
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
18 Apr – 2 May
26 Jun
4-6 wk
30 May
24 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
19 Apr – 3 May
5 Jun
2-4 wk
17 May
19 Jun
2 wk before
17 May
9 Jun
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
24 May
19 Jun
1 wk before
24 May
9 Jun
1 wk before
Spinach
Spinacia oleracea
2 – 9 May
28 Jul
3-4 wk
30 May
18 Aug
0 wk
10 May
8 Aug
3 wk before
Sweet potato
Ipomoea batatas
1 – 15 Jul
4-6 wk
12 Aug
11 wk after
Garden tomato
Solanum lycopersicum
Greenhouse
4 – 18 Apr
22 Apr
6-8 wk
30 May
3 Jun
0 wk
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Fleece
8 – 22 May
30 May
2-4 wk
5 Jun
13 Jun
1 wk after
25 Jun
4 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
18 Apr – 2 May
26 Jun
4-6 wk
30 May
24 Jul
0 wk
Garden pea
Pisum sativum
2 – 9 May
28 Jun
3-4 wk
30 May
19 Jul
0 wk
24 May
9 Jul
1 wk before

Herbs

Plant Sow indoors Transplant Direct sow
Earliest Latest Growing time Earliest Latest Rel. frost Earliest Latest Rel. frost
Basil
Ocimum basilicum
Fleece
1 – 15 May
6 May
4-6 wk
12 Jun
2 wk after
Lemon balm
Melissa officinalis
21 Mar – 4 Apr
24 May
8-10 wk
30 May
19 Jul
0 wk
25 Jun
9 Jul
4 wk after
Dill
Anethum graveolens
24 May
29 Jul
1 wk before
Wild chives
Allium schoenoprasum
4 – 18 Apr
7 Jun
6-8 wk
30 May
19 Jul
0 wk
24 May
9 Jul
1 wk before
Spearmint
Mentha spicata
7 Mar – 4 Apr
24 May
8-12 wk
30 May
19 Jul
0 wk
25 Jun
9 Jul
4 wk after
Coriander
Coriandrum sativum
30 May
18 Aug
0 wk
12 Jun
8 Aug
2 wk after
Garden sage
Salvia officinalis
23 Mar – 6 Apr
9 May
8-10 wk
1 Jun
4 Jul
0 wk
Common thyme
Thymus vulgaris
21 Mar – 4 Apr
14 May
8-10 wk
30 May
9 Jul
0 wk
Oregano
Origanum vulgare
4 – 18 Apr
28 May
6-8 wk
30 May
9 Jul
0 wk
25 Jun
29 Jun
4 wk after
Parsley
Petroselinum crispum
4 – 18 Apr
28 May
6-8 wk
30 May
9 Jul
0 wk
24 May
29 Jun
1 wk before
Rosemary
Salvia rosmarinus
23 Feb – 23 Mar
10 Apr
10-14 wk
1 Jun
19 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
15 – 22 May
3-4 wk
12 Jun
2 wk after
Cornflower
Centaurea cyanus
30 May
19 Jul
0 wk
24 May
9 Jul
1 wk before
Statice
Limonium sinuatum
3 – 17 Apr
4 Apr
8-10 wk
12 Jun
2 wk after
Sweet William
Dianthus barbatus
4 – 18 Apr
6-8 wk
30 May
0 wk
4 Jun
1 wk after
Snow-on-the-mountain
Euphorbia marginata
17 Apr – 1 May
18 Apr
6-8 wk
12 Jun
2 wk after
12 Aug
11 wk after
Pinnate dahlia
Dahlia × pinnata
15 – 29 Apr
3 May
6-8 wk
10 Jun
14 Jun
2 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
30 Apr – 28 May
17 May
4-8 wk
25 Jun
4 wk after
25 Jun
4 wk after
Foxglove
Digitalis purpurea
21 Mar – 4 Apr
8-10 wk
30 May
0 wk
12 Jun
2 wk after
Busy lizzie
Impatiens walleriana
8 Apr – 6 May
24 May
8-12 wk
1 Jul
19 Jul
5 wk after
Creeping zinnia
Sanvitalia procumbens
17 Apr – 1 May
28 Apr
6-8 wk
12 Jun
2 wk after
Hyacinth bean
Dolichos lablab
Season too short
1 – 15 May
4-6 wk
12 Jun
2 wk after
Chinese lantern
Physalis alkekengi
23 Mar – 6 Apr
24 Apr
8-10 wk
1 Jun
19 Jun
0 wk
Love in a mist
Nigella damascena
30 May
4 Jul
0 wk
24 May
24 Jun
1 wk before
Strawflower
Xerochrysum bracteatum
Fleece
10 – 24 Apr
8 May
6-8 wk
5 Jun
19 Jun
1 wk after
15 Jul
7 wk after
Purple-top vervain
Verbena bonariensis
9 Mar – 6 Apr
24 Apr
8-12 wk
1 Jun
19 Jun
0 wk
Cardoon
Cynara cardunculus
20 Mar – 17 Apr
25 Mar
8-12 wk
12 Jun
2 wk after
Regal-foxtail
Ptilotus nobilis
Fleece
20 Mar – 17 Apr
29 Mar
8-12 wk
12 Jun
2 wk after
Globe amaranth
Gomphrena globosa
Fleece
17 Apr – 1 May
6-8 wk
12 Jun
2 wk after
Corn poppy
Papaver rhoeas
30 May
19 Jul
0 wk
24 May
9 Jul
1 wk before
Snapdragon
Antirrhinum majus
7 Mar – 4 Apr
14 May
8-12 wk
30 May
9 Jul
0 wk
4 Jun
29 Jun
1 wk after
Flossflower
Ageratum houstonianum
22 Apr – 6 May
8-10 wk
1 Jul
5 wk after
Sweet pea
Lathyrus odoratus
4 – 25 Apr
4 Jun
5-8 wk
30 May
9 Jul
0 wk
Stock
Matthiola incana
4 – 18 Apr
7 Jun
6-8 wk
30 May
19 Jul
0 wk
12 Jun
9 Jul
2 wk after
Wormwood
Artemisia absinthium
4 – 18 Apr
8 May
6-8 wk
30 May
19 Jun
0 wk
12 Jun
2 wk after
Mexican sunflower
Tithonia rotundifolia
Greenhouse
24 Apr – 8 May
12 May
4-6 wk
5 Jun
9 Jun
1 wk after
Garden pansy
Viola × wittrockiana
21 Mar – 4 Apr
24 May
8-10 wk
30 May
19 Jul
0 wk
4 Jun
9 Jul
1 wk after
Petunia
Petunia
20 Mar – 17 Apr
4 Apr
8-12 wk
12 Jun
2 wk after
Sweet Scabious
Scabiosa atropurpurea
6 – 20 Apr
8 May
6-8 wk
1 Jun
19 Jun
0 wk
10 Jul
6 wk after
Common zinnia
Zinnia elegans
1 – 15 May
6 May
4-6 wk
12 Jun
2 wk after
Common morning glory
Ipomoea purpurea
Fleece
8 – 22 May
13 May
3-5 wk
12 Jun
2 wk after
Garden cosmos
Cosmos bipinnatus
1 – 15 May
17 May
4-6 wk
12 Jun
14 Jun
2 wk after
10 Jul
6 wk after
Scarlet milkweed
Asclepias curassavica
Fleece
8 Apr – 6 May
28 Apr
8-12 wk
1 Jul
5 wk after
Bee balm
Monarda didyma
7 Mar – 4 Apr
24 Apr
8-12 wk
30 May
19 Jun
0 wk
25 Jun
4 wk after
Yarrow
Achillea millefolium
4 – 18 Apr
8 Apr
6-8 wk
30 May
0 wk
12 Jun
2 wk after
Safflower
Carthamus tinctorius
30 May
19 Jun
0 wk
24 May
9 Jun
1 wk before
Iceland poppy
Papaver nudicaule
Season too short
4 – 18 Apr
28 May
6-8 wk
30 May
9 Jul
0 wk
14 Apr
29 Jun
7 wk before
Bishop's flower
Ammi majus
18 Apr – 2 May
11 Jun
4-6 wk
30 May
9 Jul
0 wk
12 Jun
29 Jun
2 wk after
Drumsticks
Pycnosorus globosus
Fleece
20 Mar – 3 Apr
10-12 wk
12 Jun
2 wk after
Sunflower
Helianthus annuus
15 – 22 May
18 Jun
3-4 wk
12 Jun
9 Jul
2 wk after
25 Jun
29 Jun
4 wk after
China aster
Callistephus chinensis
17 Apr – 1 May
7 Jun
6-8 wk
12 Jun
19 Jul
2 wk after
10 Jul
6 wk after
Annual phlox
Phlox drummondii
10 – 24 Apr
28 Apr
6-8 wk
5 Jun
9 Jun
1 wk after
10 Jul
6 wk after
Hollyhock
Alcea rosea
4 – 18 Apr
6-8 wk
30 May
0 wk
12 Jun
2 wk after
Alpine delphinium
Delphinium elatum
7 Mar – 4 Apr
24 Apr
8-12 wk
30 May
19 Jun
0 wk
25 Jun
4 wk after
African marigold
Tagetes erecta
17 Apr – 1 May
28 Apr
6-8 wk
12 Jun
2 wk after
Black-eyed Susan
Rudbeckia hirta
6 – 20 Apr
28 May
6-8 wk
1 Jun
9 Jul
0 wk
10 Jul
6 wk after
Wood sage
Salvia nemorosa
21 Mar – 4 Apr
14 Apr
8-10 wk
30 May
9 Jun
0 wk
25 Jun
4 wk after
Black-eyed susan vine
Thunbergia alata
Fleece
3 Apr – 1 May
22 Apr
6-10 wk
12 Jun
2 wk after
California goldenpoppy
Eschscholzia californica
30 May
19 Jul
0 wk
24 May
9 Jul
1 wk before
Painted tongue
Salpiglossis sinuata
3 – 17 Apr
14 May
8-10 wk
12 Jun
9 Jul
2 wk after
Water forget-me-not
Myosotis scorpioides
4 – 18 Apr
8 May
6-8 wk
30 May
19 Jun
0 wk
12 Jun
2 wk after