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Method
Rel. frost
Last spring frost (0°C) 30 May Frost 1 of 4 years · 20 years of data
Frost-free season 127 days 30 May – 4 Oct
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)
11 – 25 Apr
10 Jun
5-7 wk
30 May
15 Jul
0 wk
31 May
5 Jul
0 wk
Broccoli
Brassica oleracea (Italica-gruppen)
18 Apr – 2 May
22 Jun
4-6 wk
30 May
20 Jul
0 wk
31 May
10 Jul
0 wk
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
5 Jun
5-7 wk
30 May
10 Jul
0 wk
30 May
30 Jun
0 wk
Garden cucumber
Cucumis sativus
Greenhouse
8 – 15 May
14 Jun
3-4 wk
5 Jun
5 Jul
1 wk after
Florence Fennel
Foeniculum vulgare
Fleece
8 – 15 May
2 Jun
4-5 wk
12 Jun
30 Jun
2 wk after
24 Jun
4 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)
Fleece
7 Mar – 4 Apr
26 Mar
8-12 wk
30 May
0 wk
5 Jun
1 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
Fleece
27 May
10 Jun
0 wk
27 May
31 May
0 wk
Maize
Zea mays
Greenhouse
2 – 9 May
4 Jun
3-4 wk
30 May
25 Jun
0 wk
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
4 – 11 May
29 Jun
3-4 wk
1 Jun
20 Jul
0 wk
12 Jun
10 Jul
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
30 May
30 Jun
0 wk
30 May
20 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
11 – 25 Apr
5 Jun
5-7 wk
30 May
10 Jul
0 wk
30 May
30 Jun
0 wk
Potato
Solanum tuberosum
Greenhouse
15 – 29 Apr
2 Jun
4-6 wk
27 May
30 Jun
0 wk
27 May
20 Jun
0 wk
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
11 – 25 Apr
15 Jun
5-7 wk
30 May
20 Jul
0 wk
31 May
10 Jul
0 wk
Pumpkin
Cucurbita pepo
Fleece
15 – 22 May
19 Jun
3-4 wk
12 Jun
10 Jul
2 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
4 – 11 May
3-4 wk
1 Jun
0 wk
12 Jun
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
18 Apr – 2 May
17 Jun
4-6 wk
30 May
15 Jul
0 wk
Lettuce
Lactuca sativa
2 – 9 May
4 Jul
3-4 wk
30 May
25 Jul
0 wk
31 May
15 Jul
0 wk
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
18 Apr – 2 May
17 Jun
4-6 wk
30 May
15 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
Fleece
26 Apr – 10 May
27 May
2-4 wk
24 May
10 Jun
1 wk before
24 May
31 May
1 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
Fleece
27 May
10 Jun
0 wk
27 May
31 May
0 wk
Spinach
Spinacia oleracea
2 – 9 May
19 Jul
3-4 wk
30 May
9 Aug
0 wk
27 May
30 Jul
0 wk
Sweet potato
Ipomoea batatas
24 Jun – 8 Jul
4-6 wk
5 Aug
10 wk after
Garden tomato
Solanum lycopersicum
Greenhouse
4 – 18 Apr
14 May
6-8 wk
30 May
25 Jun
0 wk
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Fleece
8 – 22 May
21 Jun
2-4 wk
5 Jun
5 Jul
1 wk after
24 Jun
25 Jun
4 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
18 Apr – 2 May
17 Jun
4-6 wk
30 May
15 Jul
0 wk
Garden pea
Pisum sativum
2 – 9 May
19 Jun
3-4 wk
30 May
10 Jul
0 wk
31 May
30 Jun
0 wk

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
28 May
4-6 wk
12 Jun
25 Jun
2 wk after
Lemon balm
Melissa officinalis
21 Mar – 4 Apr
15 May
8-10 wk
30 May
10 Jul
0 wk
24 Jun
30 Jun
4 wk after
Dill
Anethum graveolens
31 May
20 Jul
0 wk
Wild chives
Allium schoenoprasum
4 – 18 Apr
29 May
6-8 wk
30 May
10 Jul
0 wk
31 May
30 Jun
0 wk
Spearmint
Mentha spicata
7 Mar – 4 Apr
15 May
8-12 wk
30 May
10 Jul
0 wk
24 Jun
30 Jun
4 wk after
Coriander
Coriandrum sativum
30 May
9 Aug
0 wk
12 Jun
30 Jul
2 wk after
Garden sage
Salvia officinalis
23 Mar – 6 Apr
30 Apr
8-10 wk
1 Jun
25 Jun
0 wk
Common thyme
Thymus vulgaris
21 Mar – 4 Apr
5 May
8-10 wk
30 May
30 Jun
0 wk
Oregano
Origanum vulgare
4 – 18 Apr
19 May
6-8 wk
30 May
30 Jun
0 wk
24 Jun
4 wk after
Parsley
Petroselinum crispum
4 – 18 Apr
19 May
6-8 wk
30 May
30 Jun
0 wk
31 May
20 Jun
0 wk
Rosemary
Salvia rosmarinus
23 Feb – 23 Mar
1 Apr
10-14 wk
1 Jun
10 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
4 Jun
3-4 wk
12 Jun
25 Jun
2 wk after
Cornflower
Centaurea cyanus
30 May
10 Jul
0 wk
31 May
30 Jun
0 wk
Statice
Limonium sinuatum
Fleece
27 Mar – 10 Apr
30 Apr
8-10 wk
5 Jun
25 Jun
1 wk after
Sweet William
Dianthus barbatus
4 – 18 Apr
6-8 wk
30 May
0 wk
9 Jun
1 wk after
Snow-on-the-mountain
Euphorbia marginata
Fleece
10 – 24 Apr
14 May
6-8 wk
5 Jun
25 Jun
1 wk after
19 Jul
7 wk after
Pinnate dahlia
Dahlia × pinnata
15 – 29 Apr
7 May
6-8 wk
10 Jun
18 Jun
2 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
Greenhouse
10 Apr – 8 May
2 Jun
4-8 wk
5 Jun
30 Jun
1 wk after
5 Jun
20 Jun
1 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
15 Jun
8-12 wk
1 Jul
10 Aug
5 wk after
Creeping zinnia
Sanvitalia procumbens
17 Apr – 1 May
15 May
6-8 wk
12 Jun
26 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
15 Apr
8-10 wk
1 Jun
10 Jun
0 wk
Love in a mist
Nigella damascena
30 May
25 Jun
0 wk
31 May
15 Jun
0 wk
Strawflower
Xerochrysum bracteatum
Fleece
10 – 24 Apr
4 May
6-8 wk
5 Jun
15 Jun
1 wk after
19 Jul
7 wk after
Purple-top vervain
Verbena bonariensis
9 Mar – 6 Apr
15 Apr
8-12 wk
1 Jun
10 Jun
0 wk
Cardoon
Cynara cardunculus
Greenhouse
7 Mar – 4 Apr
16 Mar
8-12 wk
30 May
0 wk
Regal-foxtail
Ptilotus nobilis
Greenhouse
13 Mar – 10 Apr
23 Apr
8-12 wk
5 Jun
18 Jun
1 wk after
Globe amaranth
Gomphrena globosa
Greenhouse
10 – 24 Apr
7 May
6-8 wk
5 Jun
18 Jun
1 wk after
Corn poppy
Papaver rhoeas
30 May
10 Jul
0 wk
31 May
30 Jun
0 wk
Snapdragon
Antirrhinum majus
7 Mar – 4 Apr
5 May
8-12 wk
30 May
30 Jun
0 wk
9 Jun
20 Jun
1 wk after
Flossflower
Ageratum houstonianum
Fleece
3 – 17 Apr
10 May
8-10 wk
12 Jun
5 Jul
2 wk after
Sweet pea
Lathyrus odoratus
4 – 25 Apr
26 May
5-8 wk
30 May
30 Jun
0 wk
Stock
Matthiola incana
4 – 18 Apr
29 May
6-8 wk
30 May
10 Jul
0 wk
12 Jun
30 Jun
2 wk after
Wormwood
Artemisia absinthium
4 – 18 Apr
29 Apr
6-8 wk
30 May
10 Jun
0 wk
12 Jun
2 wk after
Mexican sunflower
Tithonia rotundifolia
Greenhouse
24 Apr – 8 May
16 May
4-6 wk
5 Jun
13 Jun
1 wk after
Garden pansy
Viola × wittrockiana
21 Mar – 4 Apr
15 May
8-10 wk
30 May
10 Jul
0 wk
9 Jun
30 Jun
1 wk after
Petunia
Petunia
Fleece
13 Mar – 10 Apr
30 Apr
8-12 wk
5 Jun
25 Jun
1 wk after
Sweet Scabious
Scabiosa atropurpurea
6 – 20 Apr
29 Apr
6-8 wk
1 Jun
10 Jun
0 wk
12 Jul
6 wk after
Common zinnia
Zinnia elegans
1 – 15 May
28 May
4-6 wk
12 Jun
25 Jun
2 wk after
Common morning glory
Ipomoea purpurea
Fleece
8 – 22 May
4 Jun
3-5 wk
12 Jun
25 Jun
2 wk after
Garden cosmos
Cosmos bipinnatus
1 – 15 May
21 May
4-6 wk
12 Jun
18 Jun
2 wk after
12 Jul
6 wk after
Scarlet milkweed
Asclepias curassavica
Fleece
8 Apr – 6 May
20 May
8-12 wk
1 Jul
15 Jul
5 wk after
Bee balm
Monarda didyma
7 Mar – 4 Apr
15 Apr
8-12 wk
30 May
10 Jun
0 wk
24 Jun
4 wk after
Yarrow
Achillea millefolium
4 – 18 Apr
6-8 wk
30 May
0 wk
12 Jun
2 wk after
Safflower
Carthamus tinctorius
30 May
10 Jun
0 wk
31 May
31 May
0 wk
Iceland poppy
Papaver nudicaule
Season too short
4 – 18 Apr
19 May
6-8 wk
30 May
30 Jun
0 wk
14 May
20 Jun
2 wk before
Bishop's flower
Ammi majus
18 Apr – 2 May
2 Jun
4-6 wk
30 May
30 Jun
0 wk
12 Jun
20 Jun
2 wk after
Drumsticks
Pycnosorus globosus
Greenhouse
13 – 27 Mar
1 Apr
10-12 wk
5 Jun
10 Jun
1 wk after
Sunflower
Helianthus annuus
15 – 22 May
9 Jun
3-4 wk
12 Jun
30 Jun
2 wk after
24 Jun
4 wk after
China aster
Callistephus chinensis
17 Apr – 1 May
29 May
6-8 wk
12 Jun
10 Jul
2 wk after
12 Jul
6 wk after
Annual phlox
Phlox drummondii
10 – 24 Apr
15 May
6-8 wk
5 Jun
26 Jun
1 wk after
12 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
15 Apr
8-12 wk
30 May
10 Jun
0 wk
24 Jun
4 wk after
African marigold
Tagetes erecta
17 Apr – 1 May
15 May
6-8 wk
12 Jun
26 Jun
2 wk after
Black-eyed Susan
Rudbeckia hirta
6 – 20 Apr
19 May
6-8 wk
1 Jun
30 Jun
0 wk
12 Jul
6 wk after
Wood sage
Salvia nemorosa
21 Mar – 4 Apr
5 Apr
8-10 wk
30 May
31 May
0 wk
24 Jun
4 wk after
Black-eyed susan vine
Thunbergia alata
Fleece
3 Apr – 1 May
14 May
6-10 wk
12 Jun
25 Jun
2 wk after
California goldenpoppy
Eschscholzia californica
30 May
10 Jul
0 wk
31 May
30 Jun
0 wk
Painted tongue
Salpiglossis sinuata
3 – 17 Apr
5 May
8-10 wk
12 Jun
30 Jun
2 wk after
Water forget-me-not
Myosotis scorpioides
4 – 18 Apr
29 Apr
6-8 wk
30 May
10 Jun
0 wk
12 Jun
2 wk after