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Method
Rel. frost
Last spring frost (0°C) 7 Jun Frost 1 of 10 years · 20 years of data
Frost-free season 119 days 7 Jun – 4 Oct
Probability that frost is over

90% = 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)
19 Apr – 3 May
11 Jun
5-7 wk
7 Jun
16 Jul
0 wk
8 Jun
6 Jul
0 wk
Broccoli
Brassica oleracea (Italica-gruppen)
26 Apr – 10 May
23 Jun
4-6 wk
7 Jun
21 Jul
0 wk
8 Jun
11 Jul
0 wk
Chili pepper
Capsicum annuum
Season too short
21 Mar – 18 Apr
8-12 wk
13 Jun
1 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
19 Apr – 3 May
6 Jun
5-7 wk
7 Jun
11 Jul
0 wk
7 Jun
1 Jul
0 wk
Garden cucumber
Cucumis sativus
Season too short
16 – 23 May
3-4 wk
13 Jun
1 wk after
Florence Fennel
Foeniculum vulgare
Fleece
16 – 23 May
3 Jun
4-5 wk
20 Jun
1 Jul
2 wk after
2 Jul
4 wk after
Butter bean
Phaseolus lunatus
Season too short
18 – 25 Jun
3-4 wk
16 Jul
6 wk after
Onion
Allium cepa (Cepa-gruppen)
Season too short
15 Mar – 12 Apr
27 Mar
8-12 wk
7 Jun
0 wk
7 Jun
0 wk
Onion (sets)
Allium cepa (Cepa-gruppen)
Season too short
29 May
11 Jun
1 wk before
29 May
1 Jun
1 wk before
Maize
Zea mays
Season too short
10 – 17 May
3-4 wk
7 Jun
0 wk
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
12 – 19 May
30 Jun
3-4 wk
9 Jun
21 Jul
0 wk
20 Jun
11 Jul
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
7 Jun
1 Jul
0 wk
7 Jun
21 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
19 Apr – 3 May
6 Jun
5-7 wk
7 Jun
11 Jul
0 wk
7 Jun
1 Jul
0 wk
Potato
Solanum tuberosum
Season too short
23 Apr – 7 May
21 May
4-6 wk
4 Jun
18 Jun
0 wk
4 Jun
8 Jun
0 wk
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
19 Apr – 3 May
16 Jun
5-7 wk
7 Jun
21 Jul
0 wk
8 Jun
11 Jul
0 wk
Pumpkin
Cucurbita pepo
Greenhouse
16 – 23 May
11 Jun
3-4 wk
13 Jun
2 Jul
1 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
12 – 19 May
14 May
3-4 wk
9 Jun
0 wk
20 Jun
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
26 Apr – 10 May
18 Jun
4-6 wk
7 Jun
16 Jul
0 wk
Lettuce
Lactuca sativa
10 – 17 May
5 Jul
3-4 wk
7 Jun
26 Jul
0 wk
8 Jun
16 Jul
0 wk
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
26 Apr – 10 May
18 Jun
4-6 wk
7 Jun
16 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
Greenhouse
24 Apr – 8 May
28 May
2-4 wk
22 May
11 Jun
2 wk before
22 May
1 Jun
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
Season too short
29 May
11 Jun
1 wk before
29 May
1 Jun
1 wk before
Spinach
Spinacia oleracea
10 – 17 May
20 Jul
3-4 wk
7 Jun
10 Aug
0 wk
4 Jun
31 Jul
0 wk
Sweet potato
Ipomoea batatas
2 – 16 Jul
4-6 wk
13 Aug
10 wk after
Garden tomato
Solanum lycopersicum
Season too short
12 – 26 Apr
6-8 wk
7 Jun
0 wk
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Greenhouse
10 – 24 May
13 Jun
2-4 wk
7 Jun
27 Jun
0 wk
20 Jun
2 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
26 Apr – 10 May
18 Jun
4-6 wk
7 Jun
16 Jul
0 wk
Garden pea
Pisum sativum
10 – 17 May
20 Jun
3-4 wk
7 Jun
11 Jul
0 wk
8 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
Greenhouse
2 – 16 May
20 May
4-6 wk
13 Jun
17 Jun
1 wk after
Lemon balm
Melissa officinalis
29 Mar – 12 Apr
16 May
8-10 wk
7 Jun
11 Jul
0 wk
2 Jul
4 wk after
Dill
Anethum graveolens
8 Jun
21 Jul
0 wk
Wild chives
Allium schoenoprasum
12 – 26 Apr
30 May
6-8 wk
7 Jun
11 Jul
0 wk
8 Jun
1 Jul
0 wk
Spearmint
Mentha spicata
15 Mar – 12 Apr
16 May
8-12 wk
7 Jun
11 Jul
0 wk
2 Jul
4 wk after
Coriander
Coriandrum sativum
7 Jun
10 Aug
0 wk
20 Jun
31 Jul
2 wk after
Garden sage
Salvia officinalis
31 Mar – 14 Apr
1 May
8-10 wk
9 Jun
26 Jun
0 wk
Common thyme
Thymus vulgaris
29 Mar – 12 Apr
6 May
8-10 wk
7 Jun
1 Jul
0 wk
Oregano
Origanum vulgare
12 – 26 Apr
20 May
6-8 wk
7 Jun
1 Jul
0 wk
2 Jul
4 wk after
Parsley
Petroselinum crispum
12 – 26 Apr
20 May
6-8 wk
7 Jun
1 Jul
0 wk
8 Jun
21 Jun
0 wk
Rosemary
Salvia rosmarinus
3 – 31 Mar
2 Apr
10-14 wk
9 Jun
11 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
16 – 23 May
27 May
3-4 wk
13 Jun
17 Jun
1 wk after
Cornflower
Centaurea cyanus
7 Jun
11 Jul
0 wk
8 Jun
1 Jul
0 wk
Statice
Limonium sinuatum
Fleece
4 – 18 Apr
14 Apr
8-10 wk
13 Jun
1 wk after
Sweet William
Dianthus barbatus
12 – 26 Apr
6-8 wk
7 Jun
0 wk
17 Jun
1 wk after
Snow-on-the-mountain
Euphorbia marginata
Fleece
18 Apr – 2 May
28 Apr
6-8 wk
13 Jun
1 wk after
27 Jul
7 wk after
Pinnate dahlia
Dahlia × pinnata
Fleece
14 – 28 Apr
3 May
6-8 wk
9 Jun
14 Jun
0 wk
Pinnate dahlia (tubers)
Dahlia × pinnata
Season too short
18 Apr – 16 May
31 May
4-8 wk
13 Jun
28 Jun
1 wk after
13 Jun
18 Jun
1 wk after
Foxglove
Digitalis purpurea
29 Mar – 12 Apr
8-10 wk
7 Jun
0 wk
20 Jun
2 wk after
Busy lizzie
Impatiens walleriana
Fleece
28 Mar – 25 Apr
7 Jun
8-12 wk
20 Jun
2 Aug
2 wk after
Creeping zinnia
Sanvitalia procumbens
Fleece
18 Apr – 2 May
8 May
6-8 wk
13 Jun
19 Jun
1 wk after
Hyacinth bean
Dolichos lablab
Season too short
9 – 23 May
4-6 wk
20 Jun
2 wk after
Chinese lantern
Physalis alkekengi
31 Mar – 14 Apr
16 Apr
8-10 wk
9 Jun
11 Jun
0 wk
Love in a mist
Nigella damascena
7 Jun
26 Jun
0 wk
8 Jun
16 Jun
0 wk
Strawflower
Xerochrysum bracteatum
Greenhouse
12 – 26 Apr
3 May
6-8 wk
7 Jun
14 Jun
0 wk
9 Jul
5 wk after
Purple-top vervain
Verbena bonariensis
17 Mar – 14 Apr
16 Apr
8-12 wk
9 Jun
11 Jun
0 wk
Cardoon
Cynara cardunculus
Greenhouse
15 Mar – 12 Apr
17 Mar
8-12 wk
7 Jun
0 wk
Regal-foxtail
Ptilotus nobilis
Season too short
21 Mar – 18 Apr
12 Apr
8-12 wk
13 Jun
1 wk after
Globe amaranth
Gomphrena globosa
Season too short
18 Apr – 2 May
26 Apr
6-8 wk
13 Jun
1 wk after
Corn poppy
Papaver rhoeas
7 Jun
11 Jul
0 wk
8 Jun
1 Jul
0 wk
Snapdragon
Antirrhinum majus
15 Mar – 12 Apr
6 May
8-12 wk
7 Jun
1 Jul
0 wk
17 Jun
21 Jun
1 wk after
Flossflower
Ageratum houstonianum
Fleece
11 – 25 Apr
24 Apr
8-10 wk
20 Jun
2 wk after
Sweet pea
Lathyrus odoratus
12 Apr – 3 May
27 May
5-8 wk
7 Jun
1 Jul
0 wk
Stock
Matthiola incana
12 – 26 Apr
30 May
6-8 wk
7 Jun
11 Jul
0 wk
20 Jun
1 Jul
2 wk after
Wormwood
Artemisia absinthium
12 – 26 Apr
30 Apr
6-8 wk
7 Jun
11 Jun
0 wk
20 Jun
2 wk after
Mexican sunflower
Tithonia rotundifolia
Season too short
2 – 16 May
5 May
4-6 wk
13 Jun
1 wk after
Garden pansy
Viola × wittrockiana
29 Mar – 12 Apr
16 May
8-10 wk
7 Jun
11 Jul
0 wk
17 Jun
1 Jul
1 wk after
Petunia
Petunia
Fleece
21 Mar – 18 Apr
14 Apr
8-12 wk
13 Jun
1 wk after
Sweet Scabious
Scabiosa atropurpurea
14 – 28 Apr
30 Apr
6-8 wk
9 Jun
11 Jun
0 wk
20 Jul
6 wk after
Common zinnia
Zinnia elegans
Fleece
2 – 16 May
20 May
4-6 wk
13 Jun
17 Jun
1 wk after
Common morning glory
Ipomoea purpurea
Greenhouse
9 – 23 May
27 May
3-5 wk
13 Jun
17 Jun
1 wk after
Garden cosmos
Cosmos bipinnatus
Fleece
2 – 16 May
17 May
4-6 wk
13 Jun
14 Jun
1 wk after
2 Jul
4 wk after
Scarlet milkweed
Asclepias curassavica
Greenhouse
28 Mar – 25 Apr
12 May
8-12 wk
20 Jun
7 Jul
2 wk after
Bee balm
Monarda didyma
15 Mar – 12 Apr
16 Apr
8-12 wk
7 Jun
11 Jun
0 wk
2 Jul
4 wk after
Yarrow
Achillea millefolium
12 – 26 Apr
6-8 wk
7 Jun
0 wk
20 Jun
2 wk after
Safflower
Carthamus tinctorius
7 Jun
11 Jun
0 wk
8 Jun
0 wk
Iceland poppy
Papaver nudicaule
Season too short
12 – 26 Apr
20 May
6-8 wk
7 Jun
1 Jul
0 wk
22 May
21 Jun
2 wk before
Bishop's flower
Ammi majus
26 Apr – 10 May
3 Jun
4-6 wk
7 Jun
1 Jul
0 wk
20 Jun
21 Jun
2 wk after
Drumsticks
Pycnosorus globosus
Season too short
21 Mar – 4 Apr
10-12 wk
13 Jun
1 wk after
Sunflower
Helianthus annuus
23 – 30 May
10 Jun
3-4 wk
20 Jun
1 Jul
2 wk after
2 Jul
4 wk after
China aster
Callistephus chinensis
25 Apr – 9 May
30 May
6-8 wk
20 Jun
11 Jul
2 wk after
20 Jul
6 wk after
Annual phlox
Phlox drummondii
Fleece
12 – 26 Apr
8 May
6-8 wk
7 Jun
19 Jun
0 wk
2 Jul
4 wk after
Hollyhock
Alcea rosea
12 – 26 Apr
6-8 wk
7 Jun
0 wk
20 Jun
2 wk after
Alpine delphinium
Delphinium elatum
15 Mar – 12 Apr
16 Apr
8-12 wk
7 Jun
11 Jun
0 wk
2 Jul
4 wk after
African marigold
Tagetes erecta
Fleece
18 Apr – 2 May
8 May
6-8 wk
13 Jun
19 Jun
1 wk after
Black-eyed Susan
Rudbeckia hirta
14 – 28 Apr
20 May
6-8 wk
9 Jun
1 Jul
0 wk
20 Jul
6 wk after
Wood sage
Salvia nemorosa
29 Mar – 12 Apr
6 Apr
8-10 wk
7 Jun
0 wk
2 Jul
4 wk after
Black-eyed susan vine
Thunbergia alata
Greenhouse
4 Apr – 2 May
6 May
6-10 wk
13 Jun
17 Jun
1 wk after
California goldenpoppy
Eschscholzia californica
7 Jun
11 Jul
0 wk
8 Jun
1 Jul
0 wk
Painted tongue
Salpiglossis sinuata
11 – 25 Apr
6 May
8-10 wk
20 Jun
1 Jul
2 wk after
Water forget-me-not
Myosotis scorpioides
12 – 26 Apr
30 Apr
6-8 wk
7 Jun
11 Jun
0 wk
20 Jun
2 wk after