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Method
Rel. frost
Last spring frost (0°C) 6 Jun Frost 1 of 10 years · 20 years of data
Frost-free season 130 days 6 Jun – 14 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)
18 Apr – 2 May
9 Jun
5-7 wk
6 Jun
14 Jul
0 wk
7 Jun
4 Jul
0 wk
Broccoli
Brassica oleracea (Italica-gruppen)
25 Apr – 9 May
21 Jun
4-6 wk
6 Jun
19 Jul
0 wk
7 Jun
9 Jul
0 wk
Chili pepper
Capsicum annuum
Season too short
20 Mar – 17 Apr
8-12 wk
12 Jun
1 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
18 Apr – 2 May
4 Jun
5-7 wk
6 Jun
9 Jul
0 wk
6 Jun
29 Jun
0 wk
Garden cucumber
Cucumis sativus
Greenhouse
15 – 22 May
3-4 wk
12 Jun
1 wk after
Florence Fennel
Foeniculum vulgare
3 – 10 Jun
4-5 wk
8 Jul
5 wk after
19 Jul
6 wk after
Butter bean
Phaseolus lunatus
Season too short
17 – 24 Jun
3-4 wk
15 Jul
6 wk after
Onion
Allium cepa (Cepa-gruppen)
Greenhouse
14 Mar – 11 Apr
25 Mar
8-12 wk
6 Jun
0 wk
6 Jun
0 wk
Onion (sets)
Allium cepa (Cepa-gruppen)
Greenhouse
28 May
9 Jun
1 wk before
28 May
30 May
1 wk before
Maize
Zea mays
Season too short
9 – 16 May
3-4 wk
6 Jun
0 wk
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
11 – 18 May
28 Jun
3-4 wk
8 Jun
19 Jul
0 wk
19 Jun
9 Jul
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
6 Jun
29 Jun
0 wk
6 Jun
19 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
18 Apr – 2 May
4 Jun
5-7 wk
6 Jun
9 Jul
0 wk
6 Jun
29 Jun
0 wk
Potato
Solanum tuberosum
Fleece
26 Apr – 10 May
20 May
4-6 wk
7 Jun
17 Jun
0 wk
7 Jun
7 Jun
0 wk
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
18 Apr – 2 May
14 Jun
5-7 wk
6 Jun
19 Jul
0 wk
7 Jun
9 Jul
0 wk
Pumpkin
Cucurbita pepo
Greenhouse
15 – 22 May
13 Jun
3-4 wk
12 Jun
4 Jul
1 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
11 – 18 May
12 May
3-4 wk
8 Jun
0 wk
19 Jun
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
25 Apr – 9 May
16 Jun
4-6 wk
6 Jun
14 Jul
0 wk
Lettuce
Lactuca sativa
9 – 16 May
3 Jul
3-4 wk
6 Jun
24 Jul
0 wk
7 Jun
14 Jul
0 wk
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
25 Apr – 9 May
16 Jun
4-6 wk
6 Jun
14 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
Greenhouse
23 Apr – 7 May
26 May
2-4 wk
21 May
9 Jun
2 wk before
21 May
30 May
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
Greenhouse
28 May
9 Jun
1 wk before
28 May
30 May
1 wk before
Spinach
Spinacia oleracea
9 – 16 May
18 Jul
3-4 wk
6 Jun
8 Aug
0 wk
3 Jun
29 Jul
0 wk
Sweet potato
Ipomoea batatas
1 – 15 Jul
4-6 wk
12 Aug
10 wk after
Garden tomato
Solanum lycopersicum
Season too short
11 – 25 Apr
6-8 wk
6 Jun
0 wk
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Fleece
15 – 29 May
17 May
2-4 wk
12 Jun
1 wk after
1 Jul
4 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
25 Apr – 9 May
16 Jun
4-6 wk
6 Jun
14 Jul
0 wk
Garden pea
Pisum sativum
9 – 16 May
18 Jun
3-4 wk
6 Jun
9 Jul
0 wk
7 Jun
29 Jun
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
1 – 15 May
22 May
4-6 wk
12 Jun
19 Jun
1 wk after
Lemon balm
Melissa officinalis
28 Mar – 11 Apr
14 May
8-10 wk
6 Jun
9 Jul
0 wk
1 Jul
4 wk after
Dill
Anethum graveolens
7 Jun
19 Jul
0 wk
Wild chives
Allium schoenoprasum
11 – 25 Apr
28 May
6-8 wk
6 Jun
9 Jul
0 wk
7 Jun
29 Jun
0 wk
Spearmint
Mentha spicata
14 Mar – 11 Apr
14 May
8-12 wk
6 Jun
9 Jul
0 wk
1 Jul
4 wk after
Coriander
Coriandrum sativum
6 Jun
8 Aug
0 wk
19 Jun
29 Jul
2 wk after
Garden sage
Salvia officinalis
30 Mar – 13 Apr
29 Apr
8-10 wk
8 Jun
24 Jun
0 wk
Common thyme
Thymus vulgaris
28 Mar – 11 Apr
4 May
8-10 wk
6 Jun
29 Jun
0 wk
Oregano
Origanum vulgare
11 – 25 Apr
18 May
6-8 wk
6 Jun
29 Jun
0 wk
1 Jul
4 wk after
Parsley
Petroselinum crispum
11 – 25 Apr
18 May
6-8 wk
6 Jun
29 Jun
0 wk
7 Jun
19 Jun
0 wk
Rosemary
Salvia rosmarinus
2 – 30 Mar
31 Mar
10-14 wk
8 Jun
9 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
15 – 22 May
29 May
3-4 wk
12 Jun
19 Jun
1 wk after
Cornflower
Centaurea cyanus
6 Jun
9 Jul
0 wk
7 Jun
29 Jun
0 wk
Statice
Limonium sinuatum
Fleece
3 – 17 Apr
22 Apr
8-10 wk
12 Jun
17 Jun
1 wk after
Sweet William
Dianthus barbatus
11 – 25 Apr
6-8 wk
6 Jun
0 wk
16 Jun
1 wk after
Snow-on-the-mountain
Euphorbia marginata
Fleece
17 Apr – 1 May
6 May
6-8 wk
12 Jun
17 Jun
1 wk after
26 Jul
7 wk after
Pinnate dahlia
Dahlia × pinnata
Fleece
13 – 27 Apr
15 May
6-8 wk
8 Jun
26 Jun
0 wk
Pinnate dahlia (tubers)
Dahlia × pinnata
Greenhouse
17 Apr – 15 May
1 Jun
4-8 wk
12 Jun
29 Jun
1 wk after
12 Jun
19 Jun
1 wk after
Foxglove
Digitalis purpurea
28 Mar – 11 Apr
8-10 wk
6 Jun
0 wk
19 Jun
2 wk after
Busy lizzie
Impatiens walleriana
15 Apr – 13 May
11 May
8-12 wk
8 Jul
5 wk after
Creeping zinnia
Sanvitalia procumbens
Fleece
17 Apr – 1 May
16 May
6-8 wk
12 Jun
27 Jun
1 wk after
Hyacinth bean
Dolichos lablab
Season too short
8 – 22 May
4-6 wk
19 Jun
2 wk after
Chinese lantern
Physalis alkekengi
30 Mar – 13 Apr
14 Apr
8-10 wk
8 Jun
9 Jun
0 wk
Love in a mist
Nigella damascena
6 Jun
24 Jun
0 wk
7 Jun
14 Jun
0 wk
Strawflower
Xerochrysum bracteatum
Fleece
17 Apr – 1 May
26 Apr
6-8 wk
12 Jun
1 wk after
26 Jul
7 wk after
Purple-top vervain
Verbena bonariensis
16 Mar – 13 Apr
14 Apr
8-12 wk
8 Jun
9 Jun
0 wk
Cardoon
Cynara cardunculus
Fleece
20 Mar – 17 Apr
8-12 wk
12 Jun
1 wk after
Regal-foxtail
Ptilotus nobilis
Greenhouse
20 Mar – 17 Apr
14 Apr
8-12 wk
12 Jun
1 wk after
Globe amaranth
Gomphrena globosa
Greenhouse
17 Apr – 1 May
28 Apr
6-8 wk
12 Jun
1 wk after
Corn poppy
Papaver rhoeas
6 Jun
9 Jul
0 wk
7 Jun
29 Jun
0 wk
Snapdragon
Antirrhinum majus
14 Mar – 11 Apr
4 May
8-12 wk
6 Jun
29 Jun
0 wk
16 Jun
19 Jun
1 wk after
Flossflower
Ageratum houstonianum
Fleece
10 – 24 Apr
2 May
8-10 wk
19 Jun
27 Jun
2 wk after
Sweet pea
Lathyrus odoratus
11 Apr – 2 May
25 May
5-8 wk
6 Jun
29 Jun
0 wk
Stock
Matthiola incana
11 – 25 Apr
28 May
6-8 wk
6 Jun
9 Jul
0 wk
19 Jun
29 Jun
2 wk after
Wormwood
Artemisia absinthium
11 – 25 Apr
28 Apr
6-8 wk
6 Jun
9 Jun
0 wk
19 Jun
2 wk after
Mexican sunflower
Tithonia rotundifolia
Greenhouse
1 – 15 May
7 May
4-6 wk
12 Jun
1 wk after
Garden pansy
Viola × wittrockiana
28 Mar – 11 Apr
14 May
8-10 wk
6 Jun
9 Jul
0 wk
16 Jun
29 Jun
1 wk after
Petunia
Petunia
Fleece
20 Mar – 17 Apr
22 Apr
8-12 wk
12 Jun
17 Jun
1 wk after
Sweet Scabious
Scabiosa atropurpurea
13 – 27 Apr
28 Apr
6-8 wk
8 Jun
9 Jun
0 wk
19 Jul
6 wk after
Common zinnia
Zinnia elegans
Fleece
1 – 15 May
22 May
4-6 wk
12 Jun
19 Jun
1 wk after
Common morning glory
Ipomoea purpurea
Greenhouse
8 – 22 May
29 May
3-5 wk
12 Jun
19 Jun
1 wk after
Garden cosmos
Cosmos bipinnatus
Fleece
1 – 15 May
29 May
4-6 wk
12 Jun
26 Jun
1 wk after
1 Jul
4 wk after
Scarlet milkweed
Asclepias curassavica
Greenhouse
27 Mar – 24 Apr
14 May
8-12 wk
19 Jun
9 Jul
2 wk after
Bee balm
Monarda didyma
14 Mar – 11 Apr
14 Apr
8-12 wk
6 Jun
9 Jun
0 wk
1 Jul
4 wk after
Yarrow
Achillea millefolium
11 – 25 Apr
6-8 wk
6 Jun
0 wk
19 Jun
2 wk after
Safflower
Carthamus tinctorius
6 Jun
9 Jun
0 wk
7 Jun
0 wk
Iceland poppy
Papaver nudicaule
Season too short
11 – 25 Apr
18 May
6-8 wk
6 Jun
29 Jun
0 wk
21 May
19 Jun
2 wk before
Bishop's flower
Ammi majus
25 Apr – 9 May
1 Jun
4-6 wk
6 Jun
29 Jun
0 wk
19 Jun
19 Jun
2 wk after
Drumsticks
Pycnosorus globosus
Greenhouse
20 Mar – 3 Apr
28 Mar
10-12 wk
12 Jun
1 wk after
Sunflower
Helianthus annuus
22 – 29 May
8 Jun
3-4 wk
19 Jun
29 Jun
2 wk after
1 Jul
4 wk after
China aster
Callistephus chinensis
24 Apr – 8 May
28 May
6-8 wk
19 Jun
9 Jul
2 wk after
19 Jul
6 wk after
Annual phlox
Phlox drummondii
17 Apr – 1 May
6-8 wk
12 Jun
1 wk after
19 Jul
6 wk after
Hollyhock
Alcea rosea
11 – 25 Apr
6-8 wk
6 Jun
0 wk
19 Jun
2 wk after
Alpine delphinium
Delphinium elatum
14 Mar – 11 Apr
14 Apr
8-12 wk
6 Jun
9 Jun
0 wk
1 Jul
4 wk after
African marigold
Tagetes erecta
Fleece
17 Apr – 1 May
16 May
6-8 wk
12 Jun
27 Jun
1 wk after
Black-eyed Susan
Rudbeckia hirta
13 – 27 Apr
18 May
6-8 wk
8 Jun
29 Jun
0 wk
19 Jul
6 wk after
Wood sage
Salvia nemorosa
28 Mar – 11 Apr
4 Apr
8-10 wk
6 Jun
0 wk
1 Jul
4 wk after
Black-eyed susan vine
Thunbergia alata
Greenhouse
3 Apr – 1 May
8 May
6-10 wk
12 Jun
19 Jun
1 wk after
California goldenpoppy
Eschscholzia californica
6 Jun
9 Jul
0 wk
7 Jun
29 Jun
0 wk
Painted tongue
Salpiglossis sinuata
10 – 24 Apr
4 May
8-10 wk
19 Jun
29 Jun
2 wk after
Water forget-me-not
Myosotis scorpioides
11 – 25 Apr
28 Apr
6-8 wk
6 Jun
9 Jun
0 wk
19 Jun
2 wk after