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Method
Rel. frost
Last spring frost (0°C) 10 Jun Frost 1 of 4 years · 20 years of data
Frost-free season 93 days 10 Jun – 11 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)
22 Apr – 6 May
12 Jun
5-7 wk
10 Jun
17 Jul
0 wk
11 Jun
7 Jul
0 wk
Broccoli
Brassica oleracea (Italica-gruppen)
29 Apr – 13 May
24 Jun
4-6 wk
10 Jun
22 Jul
0 wk
11 Jun
12 Jul
0 wk
Chili pepper
Capsicum annuum
Greenhouse
24 Mar – 21 Apr
8 Apr
8-12 wk
16 Jun
1 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
22 Apr – 6 May
7 Jun
5-7 wk
10 Jun
12 Jul
0 wk
10 Jun
2 Jul
0 wk
Garden cucumber
Cucumis sativus
Fleece
26 May – 2 Jun
2 Jun
3-4 wk
23 Jun
23 Jun
2 wk after
Florence Fennel
Foeniculum vulgare
Fleece
19 – 26 May
4 Jun
4-5 wk
23 Jun
2 Jul
2 wk after
5 Jul
4 wk after
Butter bean
Phaseolus lunatus
Season too short
21 – 28 Jun
3-4 wk
19 Jul
6 wk after
Onion
Allium cepa (Cepa-gruppen)
Greenhouse
18 Mar – 15 Apr
28 Mar
8-12 wk
10 Jun
0 wk
10 Jun
0 wk
Onion (sets)
Allium cepa (Cepa-gruppen)
11 Jun
0 wk
11 Jun
0 wk
Maize
Zea mays
Fleece
19 – 26 May
23 May
3-4 wk
16 Jun
1 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
15 – 22 May
1 Jul
3-4 wk
12 Jun
22 Jul
0 wk
23 Jun
12 Jul
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
10 Jun
2 Jul
0 wk
10 Jun
22 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
22 Apr – 6 May
7 Jun
5-7 wk
10 Jun
12 Jul
0 wk
10 Jun
2 Jul
0 wk
Potato
Solanum tuberosum
9 – 23 May
20 May
4-6 wk
20 Jun
1 wk after
20 Jun
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
22 Apr – 6 May
17 Jun
5-7 wk
10 Jun
22 Jul
0 wk
11 Jun
12 Jul
0 wk
Pumpkin
Cucurbita pepo
14 – 21 Jun
3-4 wk
12 Jul
5 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
15 – 22 May
26 May
3-4 wk
12 Jun
16 Jun
0 wk
23 Jun
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
29 Apr – 13 May
19 Jun
4-6 wk
10 Jun
17 Jul
0 wk
Lettuce
Lactuca sativa
13 – 20 May
6 Jul
3-4 wk
10 Jun
27 Jul
0 wk
11 Jun
17 Jul
0 wk
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
29 Apr – 13 May
19 Jun
4-6 wk
10 Jun
17 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
13 – 27 May
27 May
2-4 wk
10 Jun
10 Jun
0 wk
10 Jun
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
11 Jun
0 wk
11 Jun
0 wk
Spinach
Spinacia oleracea
13 – 20 May
21 Jul
3-4 wk
10 Jun
11 Aug
0 wk
7 Jun
1 Aug
0 wk
Sweet potato
Ipomoea batatas
5 – 19 Jul
4-6 wk
16 Aug
10 wk after
Garden tomato
Solanum lycopersicum
Fleece
21 Apr – 5 May
2 May
6-8 wk
16 Jun
1 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
26 May – 9 Jun
9 Jun
2-4 wk
23 Jun
23 Jun
2 wk after
23 Jul
6 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
29 Apr – 13 May
19 Jun
4-6 wk
10 Jun
17 Jul
0 wk
Garden pea
Pisum sativum
13 – 20 May
21 Jun
3-4 wk
10 Jun
12 Jul
0 wk
11 Jun
2 Jul
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
12 – 26 May
24 May
4-6 wk
23 Jun
2 wk after
Lemon balm
Melissa officinalis
1 – 15 Apr
17 May
8-10 wk
10 Jun
12 Jul
0 wk
5 Jul
4 wk after
Dill
Anethum graveolens
11 Jun
22 Jul
0 wk
Wild chives
Allium schoenoprasum
15 – 29 Apr
31 May
6-8 wk
10 Jun
12 Jul
0 wk
11 Jun
2 Jul
0 wk
Spearmint
Mentha spicata
18 Mar – 15 Apr
17 May
8-12 wk
10 Jun
12 Jul
0 wk
5 Jul
4 wk after
Coriander
Coriandrum sativum
10 Jun
11 Aug
0 wk
23 Jun
1 Aug
2 wk after
Garden sage
Salvia officinalis
3 – 17 Apr
2 May
8-10 wk
12 Jun
27 Jun
0 wk
Common thyme
Thymus vulgaris
1 – 15 Apr
7 May
8-10 wk
10 Jun
2 Jul
0 wk
Oregano
Origanum vulgare
15 – 29 Apr
21 May
6-8 wk
10 Jun
2 Jul
0 wk
5 Jul
4 wk after
Parsley
Petroselinum crispum
15 – 29 Apr
21 May
6-8 wk
10 Jun
2 Jul
0 wk
11 Jun
22 Jun
0 wk
Rosemary
Salvia rosmarinus
6 Mar – 3 Apr
26 Mar
10-14 wk
12 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
26 May – 2 Jun
31 May
3-4 wk
23 Jun
2 wk after
Cornflower
Centaurea cyanus
10 Jun
12 Jul
0 wk
11 Jun
2 Jul
0 wk
Statice
Limonium sinuatum
14 – 28 Apr
22 Apr
8-10 wk
23 Jun
2 wk after
Sweet William
Dianthus barbatus
15 – 29 Apr
6-8 wk
10 Jun
0 wk
20 Jun
1 wk after
Snow-on-the-mountain
Euphorbia marginata
28 Apr – 12 May
6 May
6-8 wk
23 Jun
2 wk after
16 Aug
10 wk after
Pinnate dahlia
Dahlia × pinnata
26 Apr – 10 May
7 May
6-8 wk
21 Jun
2 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
Fleece
28 Apr – 26 May
4 Jun
4-8 wk
23 Jun
2 Jul
2 wk after
23 Jun
2 wk after
Foxglove
Digitalis purpurea
1 – 15 Apr
8-10 wk
10 Jun
0 wk
23 Jun
2 wk after
Busy lizzie
Impatiens walleriana
19 Apr – 17 May
11 Jun
8-12 wk
12 Jul
6 Aug
5 wk after
Creeping zinnia
Sanvitalia procumbens
28 Apr – 12 May
16 May
6-8 wk
23 Jun
27 Jun
2 wk after
Hyacinth bean
Dolichos lablab
Season too short
12 – 26 May
4-6 wk
23 Jun
2 wk after
Chinese lantern
Physalis alkekengi
3 – 17 Apr
17 Apr
8-10 wk
12 Jun
12 Jun
0 wk
Love in a mist
Nigella damascena
10 Jun
27 Jun
0 wk
11 Jun
17 Jun
0 wk
Strawflower
Xerochrysum bracteatum
Fleece
21 Apr – 5 May
9 May
6-8 wk
16 Jun
20 Jun
1 wk after
30 Jul
7 wk after
Purple-top vervain
Verbena bonariensis
20 Mar – 17 Apr
17 Apr
8-12 wk
12 Jun
12 Jun
0 wk
Cardoon
Cynara cardunculus
Greenhouse
18 Mar – 15 Apr
18 Mar
8-12 wk
10 Jun
0 wk
Regal-foxtail
Ptilotus nobilis
Fleece
31 Mar – 28 Apr
16 Apr
8-12 wk
23 Jun
2 wk after
Globe amaranth
Gomphrena globosa
Fleece
28 Apr – 12 May
30 Apr
6-8 wk
23 Jun
2 wk after
Corn poppy
Papaver rhoeas
10 Jun
12 Jul
0 wk
11 Jun
2 Jul
0 wk
Snapdragon
Antirrhinum majus
18 Mar – 15 Apr
7 May
8-12 wk
10 Jun
2 Jul
0 wk
20 Jun
22 Jun
1 wk after
Flossflower
Ageratum houstonianum
3 – 17 May
8-10 wk
12 Jul
5 wk after
Sweet pea
Lathyrus odoratus
15 Apr – 6 May
28 May
5-8 wk
10 Jun
2 Jul
0 wk
Stock
Matthiola incana
15 – 29 Apr
31 May
6-8 wk
10 Jun
12 Jul
0 wk
23 Jun
2 Jul
2 wk after
Wormwood
Artemisia absinthium
15 – 29 Apr
1 May
6-8 wk
10 Jun
12 Jun
0 wk
23 Jun
2 wk after
Mexican sunflower
Tithonia rotundifolia
Greenhouse
5 – 19 May
16 May
4-6 wk
16 Jun
1 wk after
Garden pansy
Viola × wittrockiana
1 – 15 Apr
17 May
8-10 wk
10 Jun
12 Jul
0 wk
20 Jun
2 Jul
1 wk after
Petunia
Petunia
31 Mar – 28 Apr
22 Apr
8-12 wk
23 Jun
2 wk after
Sweet Scabious
Scabiosa atropurpurea
17 Apr – 1 May
1 May
6-8 wk
12 Jun
12 Jun
0 wk
23 Jul
6 wk after
Common zinnia
Zinnia elegans
12 – 26 May
24 May
4-6 wk
23 Jun
2 wk after
Common morning glory
Ipomoea purpurea
Fleece
19 May – 2 Jun
31 May
3-5 wk
23 Jun
2 wk after
Garden cosmos
Cosmos bipinnatus
12 – 26 May
21 May
4-6 wk
23 Jun
2 wk after
23 Jul
6 wk after
Scarlet milkweed
Asclepias curassavica
Fleece
19 Apr – 17 May
16 May
8-12 wk
12 Jul
5 wk after
Bee balm
Monarda didyma
18 Mar – 15 Apr
17 Apr
8-12 wk
10 Jun
12 Jun
0 wk
5 Jul
4 wk after
Yarrow
Achillea millefolium
15 – 29 Apr
6-8 wk
10 Jun
0 wk
23 Jun
2 wk after
Safflower
Carthamus tinctorius
10 Jun
12 Jun
0 wk
11 Jun
0 wk
Iceland poppy
Papaver nudicaule
Season too short
15 – 29 Apr
21 May
6-8 wk
10 Jun
2 Jul
0 wk
25 May
22 Jun
2 wk before
Bishop's flower
Ammi majus
29 Apr – 13 May
4 Jun
4-6 wk
10 Jun
2 Jul
0 wk
23 Jun
2 wk after
Drumsticks
Pycnosorus globosus
Greenhouse
24 Mar – 7 Apr
3 Apr
10-12 wk
16 Jun
1 wk after
Sunflower
Helianthus annuus
26 May – 2 Jun
3 Jun
3-4 wk
23 Jun
24 Jun
2 wk after
5 Jul
4 wk after
China aster
Callistephus chinensis
28 Apr – 12 May
23 May
6-8 wk
23 Jun
4 Jul
2 wk after
23 Jul
6 wk after
Annual phlox
Phlox drummondii
21 Apr – 5 May
16 May
6-8 wk
16 Jun
27 Jun
1 wk after
23 Jul
6 wk after
Hollyhock
Alcea rosea
15 – 29 Apr
6-8 wk
10 Jun
0 wk
23 Jun
2 wk after
Alpine delphinium
Delphinium elatum
18 Mar – 15 Apr
17 Apr
8-12 wk
10 Jun
12 Jun
0 wk
5 Jul
4 wk after
African marigold
Tagetes erecta
28 Apr – 12 May
16 May
6-8 wk
23 Jun
27 Jun
2 wk after
Black-eyed Susan
Rudbeckia hirta
17 Apr – 1 May
13 May
6-8 wk
12 Jun
24 Jun
0 wk
23 Jul
6 wk after
Wood sage
Salvia nemorosa
1 – 15 Apr
7 Apr
8-10 wk
10 Jun
0 wk
5 Jul
4 wk after
Black-eyed susan vine
Thunbergia alata
Fleece
14 Apr – 12 May
10 May
6-10 wk
23 Jun
2 wk after
California goldenpoppy
Eschscholzia californica
10 Jun
12 Jul
0 wk
11 Jun
2 Jul
0 wk
Painted tongue
Salpiglossis sinuata
14 – 28 Apr
20 Apr
8-10 wk
23 Jun
2 wk after
Water forget-me-not
Myosotis scorpioides
15 – 29 Apr
1 May
6-8 wk
10 Jun
12 Jun
0 wk
23 Jun
2 wk after