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Method
Rel. frost
Last spring frost (0°C) 11 Jun Frost 1 of 4 years · 20 years of data
Frost-free season 104 days 11 Jun – 23 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)
23 Apr – 7 May
16 Jun
5-7 wk
11 Jun
21 Jul
0 wk
15 Jun
11 Jul
1 wk after
Broccoli
Brassica oleracea (Italica-gruppen)
30 Apr – 14 May
28 Jun
4-6 wk
11 Jun
26 Jul
0 wk
15 Jun
16 Jul
1 wk after
Chili pepper
Capsicum annuum
Greenhouse
25 Mar – 22 Apr
6 Apr
8-12 wk
17 Jun
1 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
23 Apr – 7 May
11 Jun
5-7 wk
11 Jun
16 Jul
0 wk
11 Jun
6 Jul
0 wk
Garden cucumber
Cucumis sativus
Fleece
27 May – 3 Jun
31 May
3-4 wk
24 Jun
2 wk after
Florence Fennel
Foeniculum vulgare
8 – 15 Jun
4-5 wk
13 Jul
5 wk after
30 Jul
7 wk after
Butter bean
Phaseolus lunatus
Season too short
22 – 29 Jun
3-4 wk
20 Jul
6 wk after
Onion
Allium cepa (Cepa-gruppen)
Greenhouse
19 Mar – 16 Apr
1 Apr
8-12 wk
11 Jun
0 wk
11 Jun
0 wk
Onion (sets)
Allium cepa (Cepa-gruppen)
15 Jun
1 wk after
15 Jun
1 wk after
Maize
Zea mays
Fleece
20 – 27 May
21 May
3-4 wk
17 Jun
1 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
16 – 23 May
5 Jul
3-4 wk
13 Jun
26 Jul
0 wk
2 Jul
16 Jul
3 wk after
Carrot
Daucus carota subsp. sativus var. sativus
11 Jun
6 Jul
0 wk
11 Jun
26 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
23 Apr – 7 May
11 Jun
5-7 wk
11 Jun
16 Jul
0 wk
11 Jun
6 Jul
0 wk
Potato
Solanum tuberosum
16 – 30 May
19 May
4-6 wk
27 Jun
2 wk after
27 Jun
2 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
23 Apr – 7 May
21 Jun
5-7 wk
11 Jun
26 Jul
0 wk
15 Jun
16 Jul
1 wk after
Pumpkin
Cucurbita pepo
15 – 22 Jun
3-4 wk
13 Jul
5 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
16 – 23 May
26 May
3-4 wk
13 Jun
16 Jun
0 wk
2 Jul
3 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
30 Apr – 14 May
23 Jun
4-6 wk
11 Jun
21 Jul
0 wk
Lettuce
Lactuca sativa
14 – 21 May
10 Jul
3-4 wk
11 Jun
31 Jul
0 wk
15 Jun
21 Jul
1 wk after
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
30 Apr – 14 May
23 Jun
4-6 wk
11 Jun
21 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
14 – 28 May
28 May
2-4 wk
11 Jun
11 Jun
0 wk
11 Jun
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
15 Jun
1 wk after
15 Jun
1 wk after
Spinach
Spinacia oleracea
14 – 21 May
25 Jul
3-4 wk
11 Jun
15 Aug
0 wk
7 Jun
5 Aug
1 wk before
Sweet potato
Ipomoea batatas
13 – 27 Jul
4-6 wk
24 Aug
11 wk after
Garden tomato
Solanum lycopersicum
Fleece
22 Apr – 6 May
30 Apr
6-8 wk
17 Jun
1 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
27 May – 10 Jun
7 Jun
2-4 wk
24 Jun
2 wk after
30 Jul
7 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
30 Apr – 14 May
23 Jun
4-6 wk
11 Jun
21 Jul
0 wk
Garden pea
Pisum sativum
14 – 21 May
25 Jun
3-4 wk
11 Jun
16 Jul
0 wk
15 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
13 – 27 May
27 May
4-6 wk
24 Jun
24 Jun
2 wk after
Lemon balm
Melissa officinalis
2 – 16 Apr
21 May
8-10 wk
11 Jun
16 Jul
0 wk
16 Jul
5 wk after
Dill
Anethum graveolens
15 Jun
26 Jul
1 wk after
Wild chives
Allium schoenoprasum
16 – 30 Apr
4 Jun
6-8 wk
11 Jun
16 Jul
0 wk
15 Jun
6 Jul
1 wk after
Spearmint
Mentha spicata
19 Mar – 16 Apr
21 May
8-12 wk
11 Jun
16 Jul
0 wk
16 Jul
5 wk after
Coriander
Coriandrum sativum
11 Jun
15 Aug
0 wk
2 Jul
5 Aug
3 wk after
Garden sage
Salvia officinalis
4 – 18 Apr
6 May
8-10 wk
13 Jun
1 Jul
0 wk
Common thyme
Thymus vulgaris
2 – 16 Apr
11 May
8-10 wk
11 Jun
6 Jul
0 wk
Oregano
Origanum vulgare
16 – 30 Apr
25 May
6-8 wk
11 Jun
6 Jul
0 wk
16 Jul
5 wk after
Parsley
Petroselinum crispum
16 – 30 Apr
25 May
6-8 wk
11 Jun
6 Jul
0 wk
15 Jun
26 Jun
1 wk after
Rosemary
Salvia rosmarinus
7 Mar – 4 Apr
1 Apr
10-14 wk
13 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
27 May – 3 Jun
3 Jun
3-4 wk
24 Jun
24 Jun
2 wk after
Cornflower
Centaurea cyanus
11 Jun
16 Jul
0 wk
15 Jun
6 Jul
1 wk after
Statice
Limonium sinuatum
15 – 29 Apr
23 Apr
8-10 wk
24 Jun
2 wk after
Sweet William
Dianthus barbatus
16 – 30 Apr
6-8 wk
11 Jun
0 wk
27 Jun
2 wk after
Snow-on-the-mountain
Euphorbia marginata
29 Apr – 13 May
7 May
6-8 wk
24 Jun
2 wk after
24 Aug
11 wk after
Pinnate dahlia
Dahlia × pinnata
27 Apr – 11 May
17 May
6-8 wk
22 Jun
28 Jun
2 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
21 May – 18 Jun
31 May
4-8 wk
16 Jul
5 wk after
16 Jul
5 wk after
Foxglove
Digitalis purpurea
2 – 16 Apr
8-10 wk
11 Jun
0 wk
2 Jul
3 wk after
Busy lizzie
Impatiens walleriana
20 Apr – 18 May
14 Jun
8-12 wk
13 Jul
9 Aug
5 wk after
Creeping zinnia
Sanvitalia procumbens
29 Apr – 13 May
17 May
6-8 wk
24 Jun
28 Jun
2 wk after
Hyacinth bean
Dolichos lablab
Season too short
13 – 27 May
4-6 wk
24 Jun
2 wk after
Chinese lantern
Physalis alkekengi
4 – 18 Apr
21 Apr
8-10 wk
13 Jun
16 Jun
0 wk
Love in a mist
Nigella damascena
11 Jun
1 Jul
0 wk
15 Jun
21 Jun
1 wk after
Strawflower
Xerochrysum bracteatum
29 Apr – 13 May
6-8 wk
24 Jun
2 wk after
24 Aug
11 wk after
Purple-top vervain
Verbena bonariensis
21 Mar – 18 Apr
21 Apr
8-12 wk
13 Jun
16 Jun
0 wk
Cardoon
Cynara cardunculus
Fleece
25 Mar – 22 Apr
8-12 wk
17 Jun
1 wk after
Regal-foxtail
Ptilotus nobilis
Fleece
1 – 29 Apr
19 Apr
8-12 wk
24 Jun
2 wk after
Globe amaranth
Gomphrena globosa
Fleece
29 Apr – 13 May
3 May
6-8 wk
24 Jun
2 wk after
Corn poppy
Papaver rhoeas
11 Jun
16 Jul
0 wk
15 Jun
6 Jul
1 wk after
Snapdragon
Antirrhinum majus
19 Mar – 16 Apr
11 May
8-12 wk
11 Jun
6 Jul
0 wk
27 Jun
2 wk after
Flossflower
Ageratum houstonianum
4 – 18 May
8-10 wk
13 Jul
5 wk after
Sweet pea
Lathyrus odoratus
16 Apr – 7 May
1 Jun
5-8 wk
11 Jun
6 Jul
0 wk
Stock
Matthiola incana
16 – 30 Apr
4 Jun
6-8 wk
11 Jun
16 Jul
0 wk
2 Jul
6 Jul
3 wk after
Wormwood
Artemisia absinthium
16 – 30 Apr
5 May
6-8 wk
11 Jun
16 Jun
0 wk
2 Jul
3 wk after
Mexican sunflower
Tithonia rotundifolia
Fleece
13 – 27 May
4-6 wk
24 Jun
2 wk after
Garden pansy
Viola × wittrockiana
2 – 16 Apr
21 May
8-10 wk
11 Jun
16 Jul
0 wk
27 Jun
6 Jul
2 wk after
Petunia
Petunia
1 – 29 Apr
23 Apr
8-12 wk
24 Jun
2 wk after
Sweet Scabious
Scabiosa atropurpurea
18 Apr – 2 May
5 May
6-8 wk
13 Jun
16 Jun
0 wk
30 Jul
7 wk after
Common zinnia
Zinnia elegans
13 – 27 May
27 May
4-6 wk
24 Jun
24 Jun
2 wk after
Common morning glory
Ipomoea purpurea
Fleece
20 May – 3 Jun
3 Jun
3-5 wk
24 Jun
24 Jun
2 wk after
Garden cosmos
Cosmos bipinnatus
13 – 27 May
31 May
4-6 wk
24 Jun
28 Jun
2 wk after
30 Jul
7 wk after
Scarlet milkweed
Asclepias curassavica
Fleece
20 Apr – 18 May
19 May
8-12 wk
13 Jul
14 Jul
5 wk after
Bee balm
Monarda didyma
19 Mar – 16 Apr
21 Apr
8-12 wk
11 Jun
16 Jun
0 wk
16 Jul
5 wk after
Yarrow
Achillea millefolium
16 – 30 Apr
6-8 wk
11 Jun
0 wk
2 Jul
3 wk after
Safflower
Carthamus tinctorius
11 Jun
16 Jun
0 wk
15 Jun
1 wk after
Iceland poppy
Papaver nudicaule
Season too short
16 – 30 Apr
25 May
6-8 wk
11 Jun
6 Jul
0 wk
24 May
26 Jun
3 wk before
Bishop's flower
Ammi majus
30 Apr – 14 May
8 Jun
4-6 wk
11 Jun
6 Jul
0 wk
2 Jul
3 wk after
Drumsticks
Pycnosorus globosus
Fleece
1 – 15 Apr
10-12 wk
24 Jun
2 wk after
Sunflower
Helianthus annuus
27 May – 3 Jun
9 Jun
3-4 wk
24 Jun
30 Jun
2 wk after
16 Jul
5 wk after
China aster
Callistephus chinensis
29 Apr – 13 May
29 May
6-8 wk
24 Jun
10 Jul
2 wk after
30 Jul
7 wk after
Annual phlox
Phlox drummondii
22 Apr – 6 May
17 May
6-8 wk
17 Jun
28 Jun
1 wk after
30 Jul
7 wk after
Hollyhock
Alcea rosea
16 – 30 Apr
6-8 wk
11 Jun
0 wk
2 Jul
3 wk after
Alpine delphinium
Delphinium elatum
19 Mar – 16 Apr
21 Apr
8-12 wk
11 Jun
16 Jun
0 wk
16 Jul
5 wk after
African marigold
Tagetes erecta
29 Apr – 13 May
17 May
6-8 wk
24 Jun
28 Jun
2 wk after
Black-eyed Susan
Rudbeckia hirta
18 Apr – 2 May
19 May
6-8 wk
13 Jun
30 Jun
0 wk
30 Jul
7 wk after
Wood sage
Salvia nemorosa
2 – 16 Apr
11 Apr
8-10 wk
11 Jun
0 wk
16 Jul
5 wk after
Black-eyed susan vine
Thunbergia alata
Fleece
15 Apr – 13 May
13 May
6-10 wk
24 Jun
24 Jun
2 wk after
California goldenpoppy
Eschscholzia californica
11 Jun
16 Jul
0 wk
15 Jun
6 Jul
1 wk after
Painted tongue
Salpiglossis sinuata
15 – 29 Apr
28 Apr
8-10 wk
24 Jun
2 wk after
Water forget-me-not
Myosotis scorpioides
16 – 30 Apr
5 May
6-8 wk
11 Jun
16 Jun
0 wk
2 Jul
3 wk after