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