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Method
Rel. frost
Last spring frost (0°C) 11 Jun Frost 1 of 10 years · 20 years of data
Frost-free season 119 days 11 Jun – 8 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)
23 Apr – 7 May
11 Jun
5-7 wk
11 Jun
16 Jul
0 wk
12 Jun
6 Jul
0 wk
Broccoli
Brassica oleracea (Italica-gruppen)
30 Apr – 14 May
23 Jun
4-6 wk
11 Jun
21 Jul
0 wk
12 Jun
11 Jul
0 wk
Chili pepper
Capsicum annuum
Season too short
25 Mar – 22 Apr
8-12 wk
17 Jun
1 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
23 Apr – 7 May
6 Jun
5-7 wk
11 Jun
11 Jul
0 wk
11 Jun
1 Jul
0 wk
Garden cucumber
Cucumis sativus
Season too short
20 – 27 May
3-4 wk
17 Jun
1 wk after
Florence Fennel
Foeniculum vulgare
Fleece
20 – 27 May
3 Jun
4-5 wk
24 Jun
1 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
27 Mar
8-12 wk
11 Jun
0 wk
11 Jun
0 wk
Onion (sets)
Allium cepa (Cepa-gruppen)
Season too short
2 Jun
11 Jun
1 wk before
2 Jun
1 wk before
Maize
Zea mays
Season too short
14 – 21 May
3-4 wk
11 Jun
0 wk
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
16 – 23 May
30 Jun
3-4 wk
13 Jun
21 Jul
0 wk
24 Jun
11 Jul
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
11 Jun
1 Jul
0 wk
11 Jun
21 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
23 Apr – 7 May
6 Jun
5-7 wk
11 Jun
11 Jul
0 wk
11 Jun
1 Jul
0 wk
Potato
Solanum tuberosum
Season too short
27 Apr – 11 May
26 May
4-6 wk
8 Jun
23 Jun
0 wk
8 Jun
13 Jun
0 wk
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
23 Apr – 7 May
16 Jun
5-7 wk
11 Jun
21 Jul
0 wk
12 Jun
11 Jul
0 wk
Pumpkin
Cucurbita pepo
Greenhouse
20 – 27 May
11 Jun
3-4 wk
17 Jun
2 Jul
1 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
16 – 23 May
19 May
3-4 wk
13 Jun
0 wk
24 Jun
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
30 Apr – 14 May
18 Jun
4-6 wk
11 Jun
16 Jul
0 wk
Lettuce
Lactuca sativa
14 – 21 May
5 Jul
3-4 wk
11 Jun
26 Jul
0 wk
12 Jun
16 Jul
0 wk
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
30 Apr – 14 May
18 Jun
4-6 wk
11 Jun
16 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
Greenhouse
28 Apr – 12 May
28 May
2-4 wk
26 May
11 Jun
2 wk before
26 May
1 Jun
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
Season too short
2 Jun
11 Jun
1 wk before
2 Jun
1 wk before
Spinach
Spinacia oleracea
14 – 21 May
20 Jul
3-4 wk
11 Jun
10 Aug
0 wk
8 Jun
31 Jul
0 wk
Sweet potato
Ipomoea batatas
6 – 20 Jul
4-6 wk
17 Aug
10 wk after
Garden tomato
Solanum lycopersicum
Season too short
16 – 30 Apr
6-8 wk
11 Jun
0 wk
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Greenhouse
14 – 28 May
13 Jun
2-4 wk
11 Jun
27 Jun
0 wk
24 Jun
2 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
30 Apr – 14 May
18 Jun
4-6 wk
11 Jun
16 Jul
0 wk
Garden pea
Pisum sativum
14 – 21 May
20 Jun
3-4 wk
11 Jun
11 Jul
0 wk
12 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
Season too short
6 – 20 May
20 May
4-6 wk
17 Jun
17 Jun
1 wk after
Lemon balm
Melissa officinalis
2 – 16 Apr
16 May
8-10 wk
11 Jun
11 Jul
0 wk
6 Jul
4 wk after
Dill
Anethum graveolens
12 Jun
21 Jul
0 wk
Wild chives
Allium schoenoprasum
16 – 30 Apr
30 May
6-8 wk
11 Jun
11 Jul
0 wk
12 Jun
1 Jul
0 wk
Spearmint
Mentha spicata
19 Mar – 16 Apr
16 May
8-12 wk
11 Jun
11 Jul
0 wk
6 Jul
4 wk after
Coriander
Coriandrum sativum
11 Jun
10 Aug
0 wk
24 Jun
31 Jul
2 wk after
Garden sage
Salvia officinalis
4 – 18 Apr
1 May
8-10 wk
13 Jun
26 Jun
0 wk
Common thyme
Thymus vulgaris
2 – 16 Apr
6 May
8-10 wk
11 Jun
1 Jul
0 wk
Oregano
Origanum vulgare
16 – 30 Apr
20 May
6-8 wk
11 Jun
1 Jul
0 wk
6 Jul
4 wk after
Parsley
Petroselinum crispum
16 – 30 Apr
20 May
6-8 wk
11 Jun
1 Jul
0 wk
12 Jun
21 Jun
0 wk
Rosemary
Salvia rosmarinus
7 Mar – 4 Apr
2 Apr
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
Season too short
20 – 27 May
27 May
3-4 wk
17 Jun
17 Jun
1 wk after
Cornflower
Centaurea cyanus
11 Jun
11 Jul
0 wk
12 Jun
1 Jul
0 wk
Statice
Limonium sinuatum
Greenhouse
2 – 16 Apr
2 May
8-10 wk
11 Jun
27 Jun
0 wk
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
Greenhouse
16 – 30 Apr
16 May
6-8 wk
11 Jun
27 Jun
0 wk
13 Jul
5 wk after
Pinnate dahlia
Dahlia × pinnata
Fleece
18 Apr – 2 May
9 May
6-8 wk
13 Jun
20 Jun
0 wk
Pinnate dahlia (tubers)
Dahlia × pinnata
Season too short
22 Apr – 20 May
3 Jun
4-8 wk
17 Jun
1 Jul
1 wk after
17 Jun
21 Jun
1 wk after
Foxglove
Digitalis purpurea
2 – 16 Apr
8-10 wk
11 Jun
0 wk
24 Jun
2 wk after
Busy lizzie
Impatiens walleriana
Fleece
1 – 29 Apr
7 Jun
8-12 wk
24 Jun
2 Aug
2 wk after
Creeping zinnia
Sanvitalia procumbens
Fleece
22 Apr – 6 May
10 May
6-8 wk
17 Jun
21 Jun
1 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
16 Apr
8-10 wk
13 Jun
0 wk
Love in a mist
Nigella damascena
11 Jun
26 Jun
0 wk
12 Jun
16 Jun
0 wk
Strawflower
Xerochrysum bracteatum
Greenhouse
16 – 30 Apr
6 May
6-8 wk
11 Jun
17 Jun
0 wk
13 Jul
5 wk after
Purple-top vervain
Verbena bonariensis
21 Mar – 18 Apr
16 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
Season too short
25 Mar – 22 Apr
12 Apr
8-12 wk
17 Jun
1 wk after
Globe amaranth
Gomphrena globosa
Season too short
22 Apr – 6 May
26 Apr
6-8 wk
17 Jun
1 wk after
Corn poppy
Papaver rhoeas
11 Jun
11 Jul
0 wk
12 Jun
1 Jul
0 wk
Snapdragon
Antirrhinum majus
19 Mar – 16 Apr
6 May
8-12 wk
11 Jun
1 Jul
0 wk
21 Jun
21 Jun
1 wk after
Flossflower
Ageratum houstonianum
Greenhouse
8 – 22 Apr
12 May
8-10 wk
17 Jun
7 Jul
1 wk after
Sweet pea
Lathyrus odoratus
16 Apr – 7 May
27 May
5-8 wk
11 Jun
1 Jul
0 wk
Stock
Matthiola incana
16 – 30 Apr
30 May
6-8 wk
11 Jun
11 Jul
0 wk
24 Jun
1 Jul
2 wk after
Wormwood
Artemisia absinthium
16 – 30 Apr
30 Apr
6-8 wk
11 Jun
11 Jun
0 wk
24 Jun
2 wk after
Mexican sunflower
Tithonia rotundifolia
Season too short
6 – 20 May
4-6 wk
17 Jun
1 wk after
Garden pansy
Viola × wittrockiana
2 – 16 Apr
16 May
8-10 wk
11 Jun
11 Jul
0 wk
21 Jun
1 Jul
1 wk after
Petunia
Petunia
Greenhouse
19 Mar – 16 Apr
2 May
8-12 wk
11 Jun
27 Jun
0 wk
Sweet Scabious
Scabiosa atropurpurea
18 Apr – 2 May
30 Apr
6-8 wk
13 Jun
0 wk
24 Jul
6 wk after
Common zinnia
Zinnia elegans
Greenhouse
30 Apr – 14 May
2 Jun
4-6 wk
11 Jun
30 Jun
0 wk
Common morning glory
Ipomoea purpurea
Season too short
13 – 27 May
27 May
3-5 wk
17 Jun
17 Jun
1 wk after
Garden cosmos
Cosmos bipinnatus
Fleece
6 – 20 May
23 May
4-6 wk
17 Jun
20 Jun
1 wk after
6 Jul
4 wk after
Scarlet milkweed
Asclepias curassavica
Greenhouse
1 – 29 Apr
12 May
8-12 wk
24 Jun
7 Jul
2 wk after
Bee balm
Monarda didyma
19 Mar – 16 Apr
16 Apr
8-12 wk
11 Jun
11 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
11 Jun
0 wk
12 Jun
0 wk
Iceland poppy
Papaver nudicaule
Season too short
16 – 30 Apr
20 May
6-8 wk
11 Jun
1 Jul
0 wk
26 May
21 Jun
2 wk before
Bishop's flower
Ammi majus
30 Apr – 14 May
3 Jun
4-6 wk
11 Jun
1 Jul
0 wk
24 Jun
2 wk after
Drumsticks
Pycnosorus globosus
Season too short
25 Mar – 8 Apr
10-12 wk
17 Jun
1 wk after
Sunflower
Helianthus annuus
27 May – 3 Jun
10 Jun
3-4 wk
24 Jun
1 Jul
2 wk after
6 Jul
4 wk after
China aster
Callistephus chinensis
29 Apr – 13 May
30 May
6-8 wk
24 Jun
11 Jul
2 wk after
24 Jul
6 wk after
Annual phlox
Phlox drummondii
Fleece
16 – 30 Apr
10 May
6-8 wk
11 Jun
21 Jun
0 wk
6 Jul
4 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
16 Apr
8-12 wk
11 Jun
11 Jun
0 wk
6 Jul
4 wk after
African marigold
Tagetes erecta
Fleece
22 Apr – 6 May
10 May
6-8 wk
17 Jun
21 Jun
1 wk after
Black-eyed Susan
Rudbeckia hirta
18 Apr – 2 May
20 May
6-8 wk
13 Jun
1 Jul
0 wk
24 Jul
6 wk after
Wood sage
Salvia nemorosa
2 – 16 Apr
6 Apr
8-10 wk
11 Jun
0 wk
6 Jul
4 wk after
Black-eyed susan vine
Thunbergia alata
Season too short
8 Apr – 6 May
6 May
6-10 wk
17 Jun
17 Jun
1 wk after
California goldenpoppy
Eschscholzia californica
11 Jun
11 Jul
0 wk
12 Jun
1 Jul
0 wk
Painted tongue
Salpiglossis sinuata
15 – 29 Apr
6 May
8-10 wk
24 Jun
1 Jul
2 wk after
Water forget-me-not
Myosotis scorpioides
16 – 30 Apr
30 Apr
6-8 wk
11 Jun
11 Jun
0 wk
24 Jun
2 wk after