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Method
Rel. frost
Last spring frost (0°C) 5 Jun Frost 1 of 10 years · 20 years of data
Frost-free season 136 days 5 Jun – 19 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)
17 Apr – 1 May
8 Jun
5-7 wk
5 Jun
13 Jul
0 wk
6 Jun
3 Jul
0 wk
Broccoli
Brassica oleracea (Italica-gruppen)
24 Apr – 8 May
20 Jun
4-6 wk
5 Jun
18 Jul
0 wk
6 Jun
8 Jul
0 wk
Chili pepper
Capsicum annuum
Season too short
19 Mar – 16 Apr
8-12 wk
11 Jun
1 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
17 Apr – 1 May
3 Jun
5-7 wk
5 Jun
8 Jul
0 wk
5 Jun
28 Jun
0 wk
Garden cucumber
Cucumis sativus
Season too short
14 – 21 May
3-4 wk
11 Jun
1 wk after
Florence Fennel
Foeniculum vulgare
2 – 9 Jun
4-5 wk
7 Jul
5 wk after
18 Jul
6 wk after
Butter bean
Phaseolus lunatus
Season too short
16 – 23 Jun
3-4 wk
14 Jul
6 wk after
Onion
Allium cepa (Cepa-gruppen)
13 Mar – 10 Apr
24 Mar
8-12 wk
5 Jun
0 wk
18 Jun
2 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
6 Jun
8 Jun
0 wk
6 Jun
0 wk
Maize
Zea mays
Season too short
8 – 15 May
3-4 wk
5 Jun
0 wk
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
10 – 17 May
27 Jun
3-4 wk
7 Jun
18 Jul
0 wk
18 Jun
8 Jul
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
5 Jun
28 Jun
0 wk
5 Jun
18 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
17 Apr – 1 May
3 Jun
5-7 wk
5 Jun
8 Jul
0 wk
5 Jun
28 Jun
0 wk
Potato
Solanum tuberosum
Fleece
25 Apr – 9 May
31 May
4-6 wk
6 Jun
28 Jun
0 wk
6 Jun
18 Jun
0 wk
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
17 Apr – 1 May
13 Jun
5-7 wk
5 Jun
18 Jul
0 wk
6 Jun
8 Jul
0 wk
Pumpkin
Cucurbita pepo
Greenhouse
14 – 21 May
22 Jun
3-4 wk
11 Jun
13 Jul
1 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
Fleece
8 – 15 May
9 Jun
3-4 wk
5 Jun
30 Jun
0 wk
11 Jun
20 Jun
1 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
24 Apr – 8 May
15 Jun
4-6 wk
5 Jun
13 Jul
0 wk
Lettuce
Lactuca sativa
8 – 15 May
2 Jul
3-4 wk
5 Jun
23 Jul
0 wk
6 Jun
13 Jul
0 wk
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
24 Apr – 8 May
15 Jun
4-6 wk
5 Jun
13 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
8 – 22 May
25 May
2-4 wk
5 Jun
8 Jun
0 wk
5 Jun
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
6 Jun
8 Jun
0 wk
6 Jun
0 wk
Spinach
Spinacia oleracea
8 – 15 May
17 Jul
3-4 wk
5 Jun
7 Aug
0 wk
2 Jun
28 Jul
0 wk
Sweet potato
Ipomoea batatas
30 Jun – 14 Jul
4-6 wk
11 Aug
10 wk after
Garden tomato
Solanum lycopersicum
Season too short
10 – 24 Apr
6-8 wk
5 Jun
0 wk
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Greenhouse
8 – 22 May
24 Jun
2-4 wk
5 Jun
8 Jul
0 wk
18 Jun
28 Jun
2 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
24 Apr – 8 May
15 Jun
4-6 wk
5 Jun
13 Jul
0 wk
Garden pea
Pisum sativum
8 – 15 May
17 Jun
3-4 wk
5 Jun
8 Jul
0 wk
6 Jun
28 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
30 Apr – 14 May
31 May
4-6 wk
11 Jun
28 Jun
1 wk after
Lemon balm
Melissa officinalis
27 Mar – 10 Apr
13 May
8-10 wk
5 Jun
8 Jul
0 wk
30 Jun
4 wk after
Dill
Anethum graveolens
6 Jun
18 Jul
0 wk
Wild chives
Allium schoenoprasum
10 – 24 Apr
27 May
6-8 wk
5 Jun
8 Jul
0 wk
6 Jun
28 Jun
0 wk
Spearmint
Mentha spicata
13 Mar – 10 Apr
13 May
8-12 wk
5 Jun
8 Jul
0 wk
30 Jun
4 wk after
Coriander
Coriandrum sativum
5 Jun
7 Aug
0 wk
18 Jun
28 Jul
2 wk after
Garden sage
Salvia officinalis
29 Mar – 12 Apr
28 Apr
8-10 wk
7 Jun
23 Jun
0 wk
Common thyme
Thymus vulgaris
27 Mar – 10 Apr
3 May
8-10 wk
5 Jun
28 Jun
0 wk
Oregano
Origanum vulgare
10 – 24 Apr
17 May
6-8 wk
5 Jun
28 Jun
0 wk
30 Jun
4 wk after
Parsley
Petroselinum crispum
10 – 24 Apr
17 May
6-8 wk
5 Jun
28 Jun
0 wk
6 Jun
18 Jun
0 wk
Rosemary
Salvia rosmarinus
1 – 29 Mar
30 Mar
10-14 wk
7 Jun
8 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
14 – 21 May
7 Jun
3-4 wk
11 Jun
28 Jun
1 wk after
Cornflower
Centaurea cyanus
5 Jun
8 Jul
0 wk
6 Jun
28 Jun
0 wk
Statice
Limonium sinuatum
Fleece
2 – 16 Apr
1 May
8-10 wk
11 Jun
26 Jun
1 wk after
Sweet William
Dianthus barbatus
10 – 24 Apr
6-8 wk
5 Jun
0 wk
15 Jun
1 wk after
Snow-on-the-mountain
Euphorbia marginata
Fleece
16 – 30 Apr
15 May
6-8 wk
11 Jun
26 Jun
1 wk after
25 Jul
7 wk after
Pinnate dahlia
Dahlia × pinnata
21 Apr – 5 May
7 May
6-8 wk
16 Jun
18 Jun
2 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
Greenhouse
16 Apr – 14 May
31 May
4-8 wk
11 Jun
28 Jun
1 wk after
11 Jun
18 Jun
1 wk after
Foxglove
Digitalis purpurea
27 Mar – 10 Apr
8-10 wk
5 Jun
0 wk
18 Jun
2 wk after
Busy lizzie
Impatiens walleriana
Fleece
26 Mar – 23 Apr
18 Jun
8-12 wk
18 Jun
13 Aug
2 wk after
Creeping zinnia
Sanvitalia procumbens
Fleece
16 – 30 Apr
25 May
6-8 wk
11 Jun
6 Jul
1 wk after
Hyacinth bean
Dolichos lablab
Season too short
7 – 21 May
4-6 wk
18 Jun
2 wk after
Chinese lantern
Physalis alkekengi
29 Mar – 12 Apr
13 Apr
8-10 wk
7 Jun
8 Jun
0 wk
Love in a mist
Nigella damascena
5 Jun
23 Jun
0 wk
6 Jun
13 Jun
0 wk
Strawflower
Xerochrysum bracteatum
Fleece
16 – 30 Apr
5 May
6-8 wk
11 Jun
16 Jun
1 wk after
25 Jul
7 wk after
Purple-top vervain
Verbena bonariensis
15 Mar – 12 Apr
13 Apr
8-12 wk
7 Jun
8 Jun
0 wk
Cardoon
Cynara cardunculus
Fleece
19 Mar – 16 Apr
8-12 wk
11 Jun
1 wk after
Regal-foxtail
Ptilotus nobilis
Greenhouse
19 Mar – 16 Apr
23 Apr
8-12 wk
11 Jun
18 Jun
1 wk after
Globe amaranth
Gomphrena globosa
Greenhouse
16 – 30 Apr
7 May
6-8 wk
11 Jun
18 Jun
1 wk after
Corn poppy
Papaver rhoeas
5 Jun
8 Jul
0 wk
6 Jun
28 Jun
0 wk
Snapdragon
Antirrhinum majus
13 Mar – 10 Apr
3 May
8-12 wk
5 Jun
28 Jun
0 wk
15 Jun
18 Jun
1 wk after
Flossflower
Ageratum houstonianum
Fleece
9 – 23 Apr
11 May
8-10 wk
18 Jun
6 Jul
2 wk after
Sweet pea
Lathyrus odoratus
10 Apr – 1 May
24 May
5-8 wk
5 Jun
28 Jun
0 wk
Stock
Matthiola incana
10 – 24 Apr
27 May
6-8 wk
5 Jun
8 Jul
0 wk
18 Jun
28 Jun
2 wk after
Wormwood
Artemisia absinthium
10 – 24 Apr
27 Apr
6-8 wk
5 Jun
8 Jun
0 wk
18 Jun
2 wk after
Mexican sunflower
Tithonia rotundifolia
Greenhouse
30 Apr – 14 May
16 May
4-6 wk
11 Jun
13 Jun
1 wk after
Garden pansy
Viola × wittrockiana
27 Mar – 10 Apr
13 May
8-10 wk
5 Jun
8 Jul
0 wk
15 Jun
28 Jun
1 wk after
Petunia
Petunia
Fleece
19 Mar – 16 Apr
1 May
8-12 wk
11 Jun
26 Jun
1 wk after
Sweet Scabious
Scabiosa atropurpurea
12 – 26 Apr
27 Apr
6-8 wk
7 Jun
8 Jun
0 wk
18 Jul
6 wk after
Common zinnia
Zinnia elegans
Fleece
30 Apr – 14 May
31 May
4-6 wk
11 Jun
28 Jun
1 wk after
Common morning glory
Ipomoea purpurea
Greenhouse
7 – 21 May
7 Jun
3-5 wk
11 Jun
28 Jun
1 wk after
Garden cosmos
Cosmos bipinnatus
Fleece
30 Apr – 14 May
31 May
4-6 wk
11 Jun
28 Jun
1 wk after
30 Jun
4 wk after
Scarlet milkweed
Asclepias curassavica
Greenhouse
26 Mar – 23 Apr
23 May
8-12 wk
18 Jun
18 Jul
2 wk after
Bee balm
Monarda didyma
13 Mar – 10 Apr
13 Apr
8-12 wk
5 Jun
8 Jun
0 wk
30 Jun
4 wk after
Yarrow
Achillea millefolium
10 – 24 Apr
6-8 wk
5 Jun
0 wk
18 Jun
2 wk after
Safflower
Carthamus tinctorius
5 Jun
8 Jun
0 wk
6 Jun
0 wk
Iceland poppy
Papaver nudicaule
Season too short
10 – 24 Apr
17 May
6-8 wk
5 Jun
28 Jun
0 wk
20 May
18 Jun
2 wk before
Bishop's flower
Ammi majus
24 Apr – 8 May
31 May
4-6 wk
5 Jun
28 Jun
0 wk
18 Jun
18 Jun
2 wk after
Drumsticks
Pycnosorus globosus
Greenhouse
19 Mar – 2 Apr
30 Mar
10-12 wk
11 Jun
1 wk after
Sunflower
Helianthus annuus
21 – 28 May
7 Jun
3-4 wk
18 Jun
28 Jun
2 wk after
30 Jun
4 wk after
China aster
Callistephus chinensis
23 Apr – 7 May
27 May
6-8 wk
18 Jun
8 Jul
2 wk after
18 Jul
6 wk after
Annual phlox
Phlox drummondii
Fleece
10 – 24 Apr
25 May
6-8 wk
5 Jun
6 Jul
0 wk
30 Jun
4 wk after
Hollyhock
Alcea rosea
10 – 24 Apr
6-8 wk
5 Jun
0 wk
18 Jun
2 wk after
Alpine delphinium
Delphinium elatum
13 Mar – 10 Apr
13 Apr
8-12 wk
5 Jun
8 Jun
0 wk
30 Jun
4 wk after
African marigold
Tagetes erecta
Fleece
16 – 30 Apr
25 May
6-8 wk
11 Jun
6 Jul
1 wk after
Black-eyed Susan
Rudbeckia hirta
12 – 26 Apr
17 May
6-8 wk
7 Jun
28 Jun
0 wk
18 Jul
6 wk after
Wood sage
Salvia nemorosa
27 Mar – 10 Apr
3 Apr
8-10 wk
5 Jun
0 wk
30 Jun
4 wk after
Black-eyed susan vine
Thunbergia alata
Greenhouse
2 – 30 Apr
17 May
6-10 wk
11 Jun
28 Jun
1 wk after
California goldenpoppy
Eschscholzia californica
5 Jun
8 Jul
0 wk
6 Jun
28 Jun
0 wk
Painted tongue
Salpiglossis sinuata
9 – 23 Apr
3 May
8-10 wk
18 Jun
28 Jun
2 wk after
Water forget-me-not
Myosotis scorpioides
10 – 24 Apr
27 Apr
6-8 wk
5 Jun
8 Jun
0 wk
18 Jun
2 wk after