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Method
Rel. frost
Last spring frost (0°C) 6 Jun Frost 1 of 4 years · 20 years of data
Frost-free season 94 days 6 Jun – 8 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)
18 Apr – 2 May
11 Jun
5-7 wk
6 Jun
16 Jul
0 wk
7 Jun
6 Jul
0 wk
Broccoli
Brassica oleracea (Italica-gruppen)
25 Apr – 9 May
23 Jun
4-6 wk
6 Jun
21 Jul
0 wk
7 Jun
11 Jul
0 wk
Chili pepper
Capsicum annuum
Season too short
20 Mar – 17 Apr
30 Mar
8-12 wk
12 Jun
1 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
18 Apr – 2 May
6 Jun
5-7 wk
6 Jun
11 Jul
0 wk
6 Jun
1 Jul
0 wk
Garden cucumber
Cucumis sativus
Fleece
22 – 29 May
24 May
3-4 wk
19 Jun
2 wk after
Florence Fennel
Foeniculum vulgare
Fleece
15 – 22 May
1 Jun
4-5 wk
19 Jun
29 Jun
2 wk after
1 Jul
4 wk after
Butter bean
Phaseolus lunatus
Season too short
17 – 24 Jun
3-4 wk
15 Jul
6 wk after
Onion
Allium cepa (Cepa-gruppen)
Greenhouse
14 Mar – 11 Apr
27 Mar
8-12 wk
6 Jun
0 wk
6 Jun
0 wk
Onion (sets)
Allium cepa (Cepa-gruppen)
7 Jun
0 wk
7 Jun
0 wk
Maize
Zea mays
Fleece
15 – 22 May
3-4 wk
12 Jun
1 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
11 – 18 May
28 Jun
3-4 wk
8 Jun
19 Jul
0 wk
19 Jun
9 Jul
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
6 Jun
1 Jul
0 wk
6 Jun
21 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
18 Apr – 2 May
6 Jun
5-7 wk
6 Jun
11 Jul
0 wk
6 Jun
1 Jul
0 wk
Potato
Solanum tuberosum
5 – 19 May
14 May
4-6 wk
16 Jun
1 wk after
16 Jun
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
18 Apr – 2 May
16 Jun
5-7 wk
6 Jun
21 Jul
0 wk
7 Jun
11 Jul
0 wk
Pumpkin
Cucurbita pepo
10 – 17 Jun
3-4 wk
8 Jul
5 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
11 – 18 May
18 May
3-4 wk
8 Jun
8 Jun
0 wk
19 Jun
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
25 Apr – 9 May
18 Jun
4-6 wk
6 Jun
16 Jul
0 wk
Lettuce
Lactuca sativa
9 – 16 May
5 Jul
3-4 wk
6 Jun
26 Jul
0 wk
7 Jun
16 Jul
0 wk
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
25 Apr – 9 May
18 Jun
4-6 wk
6 Jun
16 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
9 – 23 May
15 May
2-4 wk
6 Jun
0 wk
6 Jun
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
7 Jun
0 wk
7 Jun
0 wk
Spinach
Spinacia oleracea
9 – 16 May
20 Jul
3-4 wk
6 Jun
10 Aug
0 wk
3 Jun
31 Jul
0 wk
Sweet potato
Ipomoea batatas
1 – 15 Jul
4-6 wk
12 Aug
10 wk after
Garden tomato
Solanum lycopersicum
Fleece
17 Apr – 1 May
23 Apr
6-8 wk
12 Jun
1 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
22 May – 5 Jun
31 May
2-4 wk
19 Jun
2 wk after
19 Jul
6 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
25 Apr – 9 May
18 Jun
4-6 wk
6 Jun
16 Jul
0 wk
Garden pea
Pisum sativum
9 – 16 May
20 Jun
3-4 wk
6 Jun
11 Jul
0 wk
7 Jun
1 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
8 – 22 May
23 May
4-6 wk
19 Jun
20 Jun
2 wk after
Lemon balm
Melissa officinalis
28 Mar – 11 Apr
16 May
8-10 wk
6 Jun
11 Jul
0 wk
1 Jul
1 Jul
4 wk after
Dill
Anethum graveolens
7 Jun
19 Jul
0 wk
Wild chives
Allium schoenoprasum
11 – 25 Apr
30 May
6-8 wk
6 Jun
11 Jul
0 wk
7 Jun
1 Jul
0 wk
Spearmint
Mentha spicata
14 Mar – 11 Apr
16 May
8-12 wk
6 Jun
11 Jul
0 wk
1 Jul
1 Jul
4 wk after
Coriander
Coriandrum sativum
6 Jun
8 Aug
0 wk
19 Jun
29 Jul
2 wk after
Garden sage
Salvia officinalis
30 Mar – 13 Apr
1 May
8-10 wk
8 Jun
26 Jun
0 wk
Common thyme
Thymus vulgaris
28 Mar – 11 Apr
6 May
8-10 wk
6 Jun
1 Jul
0 wk
Oregano
Origanum vulgare
11 – 25 Apr
20 May
6-8 wk
6 Jun
1 Jul
0 wk
1 Jul
4 wk after
Parsley
Petroselinum crispum
11 – 25 Apr
20 May
6-8 wk
6 Jun
1 Jul
0 wk
7 Jun
21 Jun
0 wk
Rosemary
Salvia rosmarinus
2 – 30 Mar
27 Mar
10-14 wk
8 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
22 – 29 May
30 May
3-4 wk
19 Jun
20 Jun
2 wk after
Cornflower
Centaurea cyanus
6 Jun
11 Jul
0 wk
7 Jun
1 Jul
0 wk
Statice
Limonium sinuatum
10 – 24 Apr
19 Apr
8-10 wk
19 Jun
2 wk after
Sweet William
Dianthus barbatus
11 – 25 Apr
6-8 wk
6 Jun
0 wk
16 Jun
1 wk after
Snow-on-the-mountain
Euphorbia marginata
24 Apr – 8 May
3 May
6-8 wk
19 Jun
2 wk after
12 Aug
10 wk after
Pinnate dahlia
Dahlia × pinnata
22 Apr – 6 May
6 May
6-8 wk
17 Jun
17 Jun
2 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
Fleece
24 Apr – 22 May
3 Jun
4-8 wk
19 Jun
1 Jul
2 wk after
19 Jun
21 Jun
2 wk after
Foxglove
Digitalis purpurea
28 Mar – 11 Apr
8-10 wk
6 Jun
0 wk
19 Jun
2 wk after
Busy lizzie
Impatiens walleriana
15 Apr – 13 May
10 Jun
8-12 wk
8 Jul
5 Aug
5 wk after
Creeping zinnia
Sanvitalia procumbens
24 Apr – 8 May
13 May
6-8 wk
19 Jun
24 Jun
2 wk after
Hyacinth bean
Dolichos lablab
Season too short
8 – 22 May
4-6 wk
19 Jun
2 wk after
Chinese lantern
Physalis alkekengi
30 Mar – 13 Apr
14 Apr
8-10 wk
8 Jun
9 Jun
0 wk
Love in a mist
Nigella damascena
6 Jun
26 Jun
0 wk
7 Jun
16 Jun
0 wk
Strawflower
Xerochrysum bracteatum
Fleece
17 Apr – 1 May
2 May
6-8 wk
12 Jun
13 Jun
1 wk after
26 Jul
7 wk after
Purple-top vervain
Verbena bonariensis
16 Mar – 13 Apr
14 Apr
8-12 wk
8 Jun
9 Jun
0 wk
Cardoon
Cynara cardunculus
Greenhouse
14 Mar – 11 Apr
17 Mar
8-12 wk
6 Jun
0 wk
Regal-foxtail
Ptilotus nobilis
Fleece
27 Mar – 24 Apr
15 Apr
8-12 wk
19 Jun
2 wk after
Globe amaranth
Gomphrena globosa
Fleece
24 Apr – 8 May
29 Apr
6-8 wk
19 Jun
2 wk after
Corn poppy
Papaver rhoeas
6 Jun
11 Jul
0 wk
7 Jun
1 Jul
0 wk
Snapdragon
Antirrhinum majus
14 Mar – 11 Apr
6 May
8-12 wk
6 Jun
1 Jul
0 wk
16 Jun
21 Jun
1 wk after
Flossflower
Ageratum houstonianum
29 Apr – 13 May
29 Apr
8-10 wk
8 Jul
5 wk after
Sweet pea
Lathyrus odoratus
11 Apr – 2 May
27 May
5-8 wk
6 Jun
1 Jul
0 wk
Stock
Matthiola incana
11 – 25 Apr
30 May
6-8 wk
6 Jun
11 Jul
0 wk
19 Jun
1 Jul
2 wk after
Wormwood
Artemisia absinthium
11 – 25 Apr
30 Apr
6-8 wk
6 Jun
11 Jun
0 wk
19 Jun
2 wk after
Mexican sunflower
Tithonia rotundifolia
Greenhouse
1 – 15 May
15 May
4-6 wk
12 Jun
12 Jun
1 wk after
Garden pansy
Viola × wittrockiana
28 Mar – 11 Apr
16 May
8-10 wk
6 Jun
11 Jul
0 wk
16 Jun
1 Jul
1 wk after
Petunia
Petunia
27 Mar – 24 Apr
19 Apr
8-12 wk
19 Jun
2 wk after
Sweet Scabious
Scabiosa atropurpurea
13 – 27 Apr
28 Apr
6-8 wk
8 Jun
9 Jun
0 wk
19 Jul
6 wk after
Common zinnia
Zinnia elegans
8 – 22 May
23 May
4-6 wk
19 Jun
20 Jun
2 wk after
Common morning glory
Ipomoea purpurea
Fleece
15 – 29 May
30 May
3-5 wk
19 Jun
20 Jun
2 wk after
Garden cosmos
Cosmos bipinnatus
8 – 22 May
20 May
4-6 wk
19 Jun
2 wk after
19 Jul
6 wk after
Scarlet milkweed
Asclepias curassavica
Fleece
15 Apr – 13 May
15 May
8-12 wk
8 Jul
10 Jul
5 wk after
Bee balm
Monarda didyma
14 Mar – 11 Apr
16 Apr
8-12 wk
6 Jun
11 Jun
0 wk
1 Jul
4 wk after
Yarrow
Achillea millefolium
11 – 25 Apr
6-8 wk
6 Jun
0 wk
19 Jun
2 wk after
Safflower
Carthamus tinctorius
6 Jun
11 Jun
0 wk
7 Jun
0 wk
Iceland poppy
Papaver nudicaule
Season too short
11 – 25 Apr
20 May
6-8 wk
6 Jun
1 Jul
0 wk
21 May
21 Jun
2 wk before
Bishop's flower
Ammi majus
25 Apr – 9 May
3 Jun
4-6 wk
6 Jun
1 Jul
0 wk
19 Jun
21 Jun
2 wk after
Drumsticks
Pycnosorus globosus
Greenhouse
20 Mar – 3 Apr
2 Apr
10-12 wk
12 Jun
1 wk after
Sunflower
Helianthus annuus
22 – 29 May
4 Jun
3-4 wk
19 Jun
25 Jun
2 wk after
1 Jul
4 wk after
China aster
Callistephus chinensis
24 Apr – 8 May
24 May
6-8 wk
19 Jun
5 Jul
2 wk after
19 Jul
6 wk after
Annual phlox
Phlox drummondii
17 Apr – 1 May
13 May
6-8 wk
12 Jun
24 Jun
1 wk after
19 Jul
6 wk after
Hollyhock
Alcea rosea
11 – 25 Apr
6-8 wk
6 Jun
0 wk
19 Jun
2 wk after
Alpine delphinium
Delphinium elatum
14 Mar – 11 Apr
16 Apr
8-12 wk
6 Jun
11 Jun
0 wk
1 Jul
4 wk after
African marigold
Tagetes erecta
24 Apr – 8 May
13 May
6-8 wk
19 Jun
24 Jun
2 wk after
Black-eyed Susan
Rudbeckia hirta
13 – 27 Apr
14 May
6-8 wk
8 Jun
25 Jun
0 wk
19 Jul
6 wk after
Wood sage
Salvia nemorosa
28 Mar – 11 Apr
6 Apr
8-10 wk
6 Jun
0 wk
1 Jul
4 wk after
Black-eyed susan vine
Thunbergia alata
Fleece
10 Apr – 8 May
9 May
6-10 wk
19 Jun
20 Jun
2 wk after
California goldenpoppy
Eschscholzia californica
6 Jun
11 Jul
0 wk
7 Jun
1 Jul
0 wk
Painted tongue
Salpiglossis sinuata
Fleece
3 – 17 Apr
4 May
8-10 wk
12 Jun
29 Jun
1 wk after
Water forget-me-not
Myosotis scorpioides
11 – 25 Apr
30 Apr
6-8 wk
6 Jun
11 Jun
0 wk
19 Jun
2 wk after