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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 105 days 10 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)
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
Season too short
24 Mar – 21 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
Greenhouse
19 – 26 May
6 Jun
3-4 wk
16 Jun
27 Jun
1 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)
Season too short
18 Mar – 15 Apr
28 Mar
8-12 wk
10 Jun
0 wk
10 Jun
0 wk
Onion (sets)
Allium cepa (Cepa-gruppen)
Greenhouse
1 Jun
12 Jun
1 wk before
1 Jun
2 Jun
1 wk before
Maize
Zea mays
Greenhouse
13 – 20 May
27 May
3-4 wk
10 Jun
17 Jun
0 wk
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
Fleece
30 Apr – 14 May
14 May
4-6 wk
11 Jun
11 Jun
0 wk
11 Jun
0 wk
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
Fleece
26 May – 2 Jun
11 Jun
3-4 wk
23 Jun
2 Jul
2 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
Fleece
13 – 20 May
17 May
3-4 wk
10 Jun
0 wk
16 Jun
1 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)
Greenhouse
27 Apr – 11 May
29 May
2-4 wk
25 May
12 Jun
2 wk before
25 May
2 Jun
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
Greenhouse
1 Jun
12 Jun
1 wk before
1 Jun
2 Jun
1 wk before
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
Greenhouse
15 – 29 Apr
6 May
6-8 wk
10 Jun
17 Jun
0 wk
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Fleece
19 May – 2 Jun
13 Jun
2-4 wk
16 Jun
27 Jun
1 wk after
5 Jul
4 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
Greenhouse
5 – 19 May
30 May
4-6 wk
16 Jun
27 Jun
1 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
2 Apr
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
Greenhouse
19 – 26 May
6 Jun
3-4 wk
16 Jun
27 Jun
1 wk after
Cornflower
Centaurea cyanus
10 Jun
12 Jul
0 wk
11 Jun
2 Jul
0 wk
Statice
Limonium sinuatum
Fleece
7 – 21 Apr
29 Apr
8-10 wk
16 Jun
24 Jun
1 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
Fleece
21 Apr – 5 May
13 May
6-8 wk
16 Jun
24 Jun
1 wk after
30 Jul
7 wk after
Pinnate dahlia
Dahlia × pinnata
Fleece
17 Apr – 1 May
20 May
6-8 wk
12 Jun
1 Jul
0 wk
Pinnate dahlia (tubers)
Dahlia × pinnata
Greenhouse
21 Apr – 19 May
4 Jun
4-8 wk
16 Jun
2 Jul
1 wk after
16 Jun
22 Jun
1 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
7 Jun
8-12 wk
12 Jul
2 Aug
5 wk after
Creeping zinnia
Sanvitalia procumbens
Fleece
21 Apr – 5 May
23 May
6-8 wk
16 Jun
4 Jul
1 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
3 May
6-8 wk
16 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
Greenhouse
24 Mar – 21 Apr
22 Apr
8-12 wk
16 Jun
17 Jun
1 wk after
Globe amaranth
Gomphrena globosa
Greenhouse
21 Apr – 5 May
6 May
6-8 wk
16 Jun
17 Jun
1 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
Fleece
14 – 28 Apr
9 May
8-10 wk
23 Jun
4 Jul
2 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
15 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
Fleece
24 Mar – 21 Apr
29 Apr
8-12 wk
16 Jun
24 Jun
1 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
Fleece
5 – 19 May
30 May
4-6 wk
16 Jun
27 Jun
1 wk after
Common morning glory
Ipomoea purpurea
Greenhouse
12 – 26 May
6 Jun
3-5 wk
16 Jun
27 Jun
1 wk after
Garden cosmos
Cosmos bipinnatus
Fleece
5 – 19 May
3 Jun
4-6 wk
16 Jun
1 Jul
1 wk after
5 Jul
4 wk after
Scarlet milkweed
Asclepias curassavica
Greenhouse
31 Mar – 28 Apr
22 May
8-12 wk
23 Jun
17 Jul
2 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
2 Apr
10-12 wk
16 Jun
1 wk after
Sunflower
Helianthus annuus
26 May – 2 Jun
10 Jun
3-4 wk
23 Jun
1 Jul
2 wk after
5 Jul
4 wk after
China aster
Callistephus chinensis
28 Apr – 12 May
30 May
6-8 wk
23 Jun
11 Jul
2 wk after
23 Jul
6 wk after
Annual phlox
Phlox drummondii
21 Apr – 5 May
14 May
6-8 wk
16 Jun
25 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
Fleece
21 Apr – 5 May
23 May
6-8 wk
16 Jun
4 Jul
1 wk after
Black-eyed Susan
Rudbeckia hirta
17 Apr – 1 May
20 May
6-8 wk
12 Jun
1 Jul
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
Greenhouse
7 Apr – 5 May
16 May
6-10 wk
16 Jun
27 Jun
1 wk after
California goldenpoppy
Eschscholzia californica
10 Jun
12 Jul
0 wk
11 Jun
2 Jul
0 wk
Painted tongue
Salpiglossis sinuata
Fleece
7 – 21 Apr
7 May
8-10 wk
16 Jun
2 Jul
1 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