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Method
Rel. frost
Last spring frost (0°C) 13 Jun Frost 1 of 4 years · 20 years of data
Frost-free season 102 days 13 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)
25 Apr – 9 May
16 Jun
5-7 wk
13 Jun
21 Jul
0 wk
17 Jun
11 Jul
1 wk after
Broccoli
Brassica oleracea (Italica-gruppen)
2 – 16 May
28 Jun
4-6 wk
13 Jun
26 Jul
0 wk
17 Jun
16 Jul
1 wk after
Chili pepper
Capsicum annuum
Season too short
27 Mar – 24 Apr
8-12 wk
19 Jun
1 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
25 Apr – 9 May
11 Jun
5-7 wk
13 Jun
16 Jul
0 wk
13 Jun
6 Jul
0 wk
Garden cucumber
Cucumis sativus
Greenhouse
22 – 29 May
8 Jun
3-4 wk
19 Jun
29 Jun
1 wk after
Florence Fennel
Foeniculum vulgare
Fleece
22 – 29 May
8 Jun
4-5 wk
26 Jun
6 Jul
2 wk after
18 Jul
5 wk after
Butter bean
Phaseolus lunatus
Season too short
24 Jun – 1 Jul
3-4 wk
22 Jul
6 wk after
Onion
Allium cepa (Cepa-gruppen)
Greenhouse
21 Mar – 18 Apr
1 Apr
8-12 wk
13 Jun
0 wk
13 Jun
0 wk
Onion (sets)
Allium cepa (Cepa-gruppen)
17 Jun
1 wk after
17 Jun
1 wk after
Maize
Zea mays
Greenhouse
16 – 23 May
29 May
3-4 wk
13 Jun
19 Jun
0 wk
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
18 – 25 May
5 Jul
3-4 wk
15 Jun
26 Jul
0 wk
4 Jul
16 Jul
3 wk after
Carrot
Daucus carota subsp. sativus var. sativus
13 Jun
6 Jul
0 wk
13 Jun
26 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
25 Apr – 9 May
11 Jun
5-7 wk
13 Jun
16 Jul
0 wk
13 Jun
6 Jul
0 wk
Potato
Solanum tuberosum
18 May – 1 Jun
23 May
4-6 wk
29 Jun
2 wk after
29 Jun
2 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
25 Apr – 9 May
21 Jun
5-7 wk
13 Jun
26 Jul
0 wk
17 Jun
16 Jul
1 wk after
Pumpkin
Cucurbita pepo
Fleece
29 May – 5 Jun
13 Jun
3-4 wk
26 Jun
4 Jul
2 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
18 – 25 May
24 May
3-4 wk
15 Jun
0 wk
4 Jul
3 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
2 – 16 May
23 Jun
4-6 wk
13 Jun
21 Jul
0 wk
Lettuce
Lactuca sativa
16 – 23 May
10 Jul
3-4 wk
13 Jun
31 Jul
0 wk
17 Jun
21 Jul
1 wk after
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
2 – 16 May
23 Jun
4-6 wk
13 Jun
21 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
16 – 30 May
30 May
2-4 wk
13 Jun
13 Jun
0 wk
13 Jun
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
17 Jun
1 wk after
17 Jun
1 wk after
Spinach
Spinacia oleracea
16 – 23 May
25 Jul
3-4 wk
13 Jun
15 Aug
0 wk
9 Jun
5 Aug
1 wk before
Sweet potato
Ipomoea batatas
15 – 29 Jul
4-6 wk
26 Aug
11 wk after
Garden tomato
Solanum lycopersicum
Greenhouse
18 Apr – 2 May
8 May
6-8 wk
13 Jun
19 Jun
0 wk
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Fleece
22 May – 5 Jun
15 Jun
2-4 wk
19 Jun
29 Jun
1 wk after
18 Jul
5 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
2 – 16 May
23 Jun
4-6 wk
13 Jun
21 Jul
0 wk
Garden pea
Pisum sativum
16 – 23 May
25 Jun
3-4 wk
13 Jun
16 Jul
0 wk
17 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
15 – 29 May
22 May
4-6 wk
26 Jun
2 wk after
Lemon balm
Melissa officinalis
4 – 18 Apr
21 May
8-10 wk
13 Jun
16 Jul
0 wk
18 Jul
5 wk after
Dill
Anethum graveolens
17 Jun
26 Jul
1 wk after
Wild chives
Allium schoenoprasum
18 Apr – 2 May
4 Jun
6-8 wk
13 Jun
16 Jul
0 wk
17 Jun
6 Jul
1 wk after
Spearmint
Mentha spicata
21 Mar – 18 Apr
21 May
8-12 wk
13 Jun
16 Jul
0 wk
18 Jul
5 wk after
Coriander
Coriandrum sativum
13 Jun
15 Aug
0 wk
4 Jul
5 Aug
3 wk after
Garden sage
Salvia officinalis
6 – 20 Apr
6 May
8-10 wk
15 Jun
1 Jul
0 wk
Common thyme
Thymus vulgaris
4 – 18 Apr
11 May
8-10 wk
13 Jun
6 Jul
0 wk
Oregano
Origanum vulgare
18 Apr – 2 May
25 May
6-8 wk
13 Jun
6 Jul
0 wk
18 Jul
5 wk after
Parsley
Petroselinum crispum
18 Apr – 2 May
25 May
6-8 wk
13 Jun
6 Jul
0 wk
17 Jun
26 Jun
1 wk after
Rosemary
Salvia rosmarinus
9 Mar – 6 Apr
1 Apr
10-14 wk
15 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
29 May – 5 Jun
29 May
3-4 wk
26 Jun
2 wk after
Cornflower
Centaurea cyanus
13 Jun
16 Jul
0 wk
17 Jun
6 Jul
1 wk after
Statice
Limonium sinuatum
17 Apr – 1 May
21 Apr
8-10 wk
26 Jun
2 wk after
Sweet William
Dianthus barbatus
18 Apr – 2 May
6-8 wk
13 Jun
0 wk
29 Jun
2 wk after
Snow-on-the-mountain
Euphorbia marginata
1 – 15 May
5 May
6-8 wk
26 Jun
2 wk after
26 Aug
11 wk after
Pinnate dahlia
Dahlia × pinnata
29 Apr – 13 May
11 May
6-8 wk
24 Jun
2 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
Fleece
9 May – 6 Jun
3 Jun
4-8 wk
4 Jul
3 wk after
4 Jul
3 wk after
Foxglove
Digitalis purpurea
4 – 18 Apr
8-10 wk
13 Jun
0 wk
4 Jul
3 wk after
Busy lizzie
Impatiens walleriana
22 Apr – 20 May
9 Jun
8-12 wk
15 Jul
4 Aug
5 wk after
Creeping zinnia
Sanvitalia procumbens
1 – 15 May
15 May
6-8 wk
26 Jun
26 Jun
2 wk after
Hyacinth bean
Dolichos lablab
Season too short
15 – 29 May
4-6 wk
26 Jun
2 wk after
Chinese lantern
Physalis alkekengi
6 – 20 Apr
21 Apr
8-10 wk
15 Jun
16 Jun
0 wk
Love in a mist
Nigella damascena
13 Jun
1 Jul
0 wk
17 Jun
21 Jun
1 wk after
Strawflower
Xerochrysum bracteatum
Fleece
24 Apr – 8 May
10 May
6-8 wk
19 Jun
21 Jun
1 wk after
11 Aug
8 wk after
Purple-top vervain
Verbena bonariensis
23 Mar – 20 Apr
21 Apr
8-12 wk
15 Jun
16 Jun
0 wk
Cardoon
Cynara cardunculus
Fleece
27 Mar – 24 Apr
8-12 wk
19 Jun
1 wk after
Regal-foxtail
Ptilotus nobilis
Greenhouse
27 Mar – 24 Apr
27 Apr
8-12 wk
19 Jun
22 Jun
1 wk after
Globe amaranth
Gomphrena globosa
Greenhouse
24 Apr – 8 May
11 May
6-8 wk
19 Jun
22 Jun
1 wk after
Corn poppy
Papaver rhoeas
13 Jun
16 Jul
0 wk
17 Jun
6 Jul
1 wk after
Snapdragon
Antirrhinum majus
21 Mar – 18 Apr
11 May
8-12 wk
13 Jun
6 Jul
0 wk
29 Jun
2 wk after
Flossflower
Ageratum houstonianum
Fleece
17 Apr – 1 May
16 May
8-10 wk
26 Jun
11 Jul
2 wk after
Sweet pea
Lathyrus odoratus
18 Apr – 9 May
1 Jun
5-8 wk
13 Jun
6 Jul
0 wk
Stock
Matthiola incana
18 Apr – 2 May
4 Jun
6-8 wk
13 Jun
16 Jul
0 wk
4 Jul
6 Jul
3 wk after
Wormwood
Artemisia absinthium
18 Apr – 2 May
5 May
6-8 wk
13 Jun
16 Jun
0 wk
4 Jul
3 wk after
Mexican sunflower
Tithonia rotundifolia
Greenhouse
8 – 22 May
20 May
4-6 wk
19 Jun
1 wk after
Garden pansy
Viola × wittrockiana
4 – 18 Apr
21 May
8-10 wk
13 Jun
16 Jul
0 wk
29 Jun
6 Jul
2 wk after
Petunia
Petunia
3 Apr – 1 May
21 Apr
8-12 wk
26 Jun
2 wk after
Sweet Scabious
Scabiosa atropurpurea
20 Apr – 4 May
5 May
6-8 wk
15 Jun
16 Jun
0 wk
1 Aug
7 wk after
Common zinnia
Zinnia elegans
15 – 29 May
22 May
4-6 wk
26 Jun
2 wk after
Common morning glory
Ipomoea purpurea
Fleece
22 May – 5 Jun
29 May
3-5 wk
26 Jun
2 wk after
Garden cosmos
Cosmos bipinnatus
15 – 29 May
25 May
4-6 wk
26 Jun
2 wk after
1 Aug
7 wk after
Scarlet milkweed
Asclepias curassavica
Greenhouse
3 Apr – 1 May
27 May
8-12 wk
26 Jun
22 Jul
2 wk after
Bee balm
Monarda didyma
21 Mar – 18 Apr
21 Apr
8-12 wk
13 Jun
16 Jun
0 wk
18 Jul
5 wk after
Yarrow
Achillea millefolium
18 Apr – 2 May
6-8 wk
13 Jun
0 wk
4 Jul
3 wk after
Safflower
Carthamus tinctorius
13 Jun
16 Jun
0 wk
17 Jun
1 wk after
Iceland poppy
Papaver nudicaule
Season too short
18 Apr – 2 May
25 May
6-8 wk
13 Jun
6 Jul
0 wk
26 May
26 Jun
3 wk before
Bishop's flower
Ammi majus
2 – 16 May
8 Jun
4-6 wk
13 Jun
6 Jul
0 wk
4 Jul
3 wk after
Drumsticks
Pycnosorus globosus
Greenhouse
27 Mar – 10 Apr
2 Apr
10-12 wk
19 Jun
1 wk after
Sunflower
Helianthus annuus
29 May – 5 Jun
9 Jun
3-4 wk
26 Jun
30 Jun
2 wk after
18 Jul
5 wk after
China aster
Callistephus chinensis
1 – 15 May
29 May
6-8 wk
26 Jun
10 Jul
2 wk after
1 Aug
7 wk after
Annual phlox
Phlox drummondii
24 Apr – 8 May
15 May
6-8 wk
19 Jun
26 Jun
1 wk after
1 Aug
7 wk after
Hollyhock
Alcea rosea
18 Apr – 2 May
6-8 wk
13 Jun
0 wk
4 Jul
3 wk after
Alpine delphinium
Delphinium elatum
21 Mar – 18 Apr
21 Apr
8-12 wk
13 Jun
16 Jun
0 wk
18 Jul
5 wk after
African marigold
Tagetes erecta
1 – 15 May
15 May
6-8 wk
26 Jun
26 Jun
2 wk after
Black-eyed Susan
Rudbeckia hirta
20 Apr – 4 May
19 May
6-8 wk
15 Jun
30 Jun
0 wk
1 Aug
7 wk after
Wood sage
Salvia nemorosa
4 – 18 Apr
11 Apr
8-10 wk
13 Jun
0 wk
18 Jul
5 wk after
Black-eyed susan vine
Thunbergia alata
Fleece
17 Apr – 15 May
8 May
6-10 wk
26 Jun
2 wk after
California goldenpoppy
Eschscholzia californica
13 Jun
16 Jul
0 wk
17 Jun
6 Jul
1 wk after
Painted tongue
Salpiglossis sinuata
17 Apr – 1 May
28 Apr
8-10 wk
26 Jun
2 wk after
Water forget-me-not
Myosotis scorpioides
18 Apr – 2 May
5 May
6-8 wk
13 Jun
16 Jun
0 wk
4 Jul
3 wk after