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Method
Rel. frost
Last spring frost (0°C) 9 Jun Frost 1 of 4 years · 20 years of data
Frost-free season 96 days 9 Jun – 13 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)
21 Apr – 5 May
11 Jun
5-7 wk
9 Jun
16 Jul
0 wk
10 Jun
6 Jul
0 wk
Broccoli
Brassica oleracea (Italica-gruppen)
28 Apr – 12 May
23 Jun
4-6 wk
9 Jun
21 Jul
0 wk
10 Jun
11 Jul
0 wk
Chili pepper
Capsicum annuum
Season too short
23 Mar – 20 Apr
8-12 wk
15 Jun
1 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
21 Apr – 5 May
6 Jun
5-7 wk
9 Jun
11 Jul
0 wk
9 Jun
1 Jul
0 wk
Garden cucumber
Cucumis sativus
Greenhouse
18 – 25 May
6 Jun
3-4 wk
15 Jun
27 Jun
1 wk after
Florence Fennel
Foeniculum vulgare
Fleece
18 – 25 May
3 Jun
4-5 wk
22 Jun
1 Jul
2 wk after
4 Jul
4 wk after
Butter bean
Phaseolus lunatus
Season too short
20 – 27 Jun
3-4 wk
18 Jul
6 wk after
Onion
Allium cepa (Cepa-gruppen)
Greenhouse
17 Mar – 14 Apr
27 Mar
8-12 wk
9 Jun
0 wk
9 Jun
0 wk
Onion (sets)
Allium cepa (Cepa-gruppen)
10 Jun
0 wk
10 Jun
0 wk
Maize
Zea mays
Greenhouse
12 – 19 May
27 May
3-4 wk
9 Jun
17 Jun
0 wk
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
14 – 21 May
30 Jun
3-4 wk
11 Jun
21 Jul
0 wk
22 Jun
11 Jul
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
9 Jun
1 Jul
0 wk
9 Jun
21 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
21 Apr – 5 May
6 Jun
5-7 wk
9 Jun
11 Jul
0 wk
9 Jun
1 Jul
0 wk
Potato
Solanum tuberosum
Fleece
29 Apr – 13 May
17 May
4-6 wk
10 Jun
14 Jun
0 wk
10 Jun
0 wk
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
21 Apr – 5 May
16 Jun
5-7 wk
9 Jun
21 Jul
0 wk
10 Jun
11 Jul
0 wk
Pumpkin
Cucurbita pepo
Fleece
25 May – 1 Jun
11 Jun
3-4 wk
22 Jun
2 Jul
2 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
14 – 21 May
14 May
3-4 wk
11 Jun
0 wk
22 Jun
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
28 Apr – 12 May
18 Jun
4-6 wk
9 Jun
16 Jul
0 wk
Lettuce
Lactuca sativa
12 – 19 May
5 Jul
3-4 wk
9 Jun
26 Jul
0 wk
10 Jun
16 Jul
0 wk
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
28 Apr – 12 May
18 Jun
4-6 wk
9 Jun
16 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
12 – 26 May
14 May
2-4 wk
9 Jun
0 wk
9 Jun
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
10 Jun
0 wk
10 Jun
0 wk
Spinach
Spinacia oleracea
12 – 19 May
20 Jul
3-4 wk
9 Jun
10 Aug
0 wk
6 Jun
31 Jul
0 wk
Sweet potato
Ipomoea batatas
4 – 18 Jul
4-6 wk
15 Aug
10 wk after
Garden tomato
Solanum lycopersicum
Greenhouse
14 – 28 Apr
6 May
6-8 wk
9 Jun
17 Jun
0 wk
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Fleece
18 May – 1 Jun
13 Jun
2-4 wk
15 Jun
27 Jun
1 wk after
4 Jul
4 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
28 Apr – 12 May
18 Jun
4-6 wk
9 Jun
16 Jul
0 wk
Garden pea
Pisum sativum
12 – 19 May
20 Jun
3-4 wk
9 Jun
11 Jul
0 wk
10 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
Fleece
11 – 25 May
20 May
4-6 wk
22 Jun
2 wk after
Lemon balm
Melissa officinalis
31 Mar – 14 Apr
16 May
8-10 wk
9 Jun
11 Jul
0 wk
4 Jul
4 wk after
Dill
Anethum graveolens
10 Jun
21 Jul
0 wk
Wild chives
Allium schoenoprasum
14 – 28 Apr
30 May
6-8 wk
9 Jun
11 Jul
0 wk
10 Jun
1 Jul
0 wk
Spearmint
Mentha spicata
17 Mar – 14 Apr
16 May
8-12 wk
9 Jun
11 Jul
0 wk
4 Jul
4 wk after
Coriander
Coriandrum sativum
9 Jun
10 Aug
0 wk
22 Jun
31 Jul
2 wk after
Garden sage
Salvia officinalis
2 – 16 Apr
1 May
8-10 wk
11 Jun
26 Jun
0 wk
Common thyme
Thymus vulgaris
31 Mar – 14 Apr
6 May
8-10 wk
9 Jun
1 Jul
0 wk
Oregano
Origanum vulgare
14 – 28 Apr
20 May
6-8 wk
9 Jun
1 Jul
0 wk
4 Jul
4 wk after
Parsley
Petroselinum crispum
14 – 28 Apr
20 May
6-8 wk
9 Jun
1 Jul
0 wk
10 Jun
21 Jun
0 wk
Rosemary
Salvia rosmarinus
5 Mar – 2 Apr
26 Mar
10-14 wk
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
Fleece
25 May – 1 Jun
27 May
3-4 wk
22 Jun
2 wk after
Cornflower
Centaurea cyanus
9 Jun
11 Jul
0 wk
10 Jun
1 Jul
0 wk
Statice
Limonium sinuatum
Fleece
6 – 20 Apr
22 Apr
8-10 wk
15 Jun
17 Jun
1 wk after
Sweet William
Dianthus barbatus
14 – 28 Apr
6-8 wk
9 Jun
0 wk
19 Jun
1 wk after
Snow-on-the-mountain
Euphorbia marginata
Fleece
20 Apr – 4 May
6 May
6-8 wk
15 Jun
17 Jun
1 wk after
29 Jul
7 wk after
Pinnate dahlia
Dahlia × pinnata
25 Apr – 9 May
6 May
6-8 wk
20 Jun
2 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
Fleece
27 Apr – 25 May
27 May
4-8 wk
22 Jun
24 Jun
2 wk after
22 Jun
2 wk after
Foxglove
Digitalis purpurea
31 Mar – 14 Apr
8-10 wk
9 Jun
0 wk
22 Jun
2 wk after
Busy lizzie
Impatiens walleriana
18 Apr – 16 May
7 Jun
8-12 wk
11 Jul
2 Aug
5 wk after
Creeping zinnia
Sanvitalia procumbens
27 Apr – 11 May
11 May
6-8 wk
22 Jun
22 Jun
2 wk after
Hyacinth bean
Dolichos lablab
Season too short
11 – 25 May
4-6 wk
22 Jun
2 wk after
Chinese lantern
Physalis alkekengi
2 – 16 Apr
16 Apr
8-10 wk
11 Jun
11 Jun
0 wk
Love in a mist
Nigella damascena
9 Jun
26 Jun
0 wk
10 Jun
16 Jun
0 wk
Strawflower
Xerochrysum bracteatum
Fleece
20 Apr – 4 May
26 Apr
6-8 wk
15 Jun
1 wk after
29 Jul
7 wk after
Purple-top vervain
Verbena bonariensis
19 Mar – 16 Apr
16 Apr
8-12 wk
11 Jun
11 Jun
0 wk
Cardoon
Cynara cardunculus
Season too short
17 Mar – 14 Apr
17 Mar
8-12 wk
9 Jun
0 wk
Regal-foxtail
Ptilotus nobilis
Greenhouse
23 Mar – 20 Apr
22 Apr
8-12 wk
15 Jun
17 Jun
1 wk after
Globe amaranth
Gomphrena globosa
Greenhouse
20 Apr – 4 May
6 May
6-8 wk
15 Jun
17 Jun
1 wk after
Corn poppy
Papaver rhoeas
9 Jun
11 Jul
0 wk
10 Jun
1 Jul
0 wk
Snapdragon
Antirrhinum majus
17 Mar – 14 Apr
6 May
8-12 wk
9 Jun
1 Jul
0 wk
19 Jun
21 Jun
1 wk after
Flossflower
Ageratum houstonianum
Fleece
13 – 27 Apr
2 May
8-10 wk
22 Jun
27 Jun
2 wk after
Sweet pea
Lathyrus odoratus
14 Apr – 5 May
27 May
5-8 wk
9 Jun
1 Jul
0 wk
Stock
Matthiola incana
14 – 28 Apr
30 May
6-8 wk
9 Jun
11 Jul
0 wk
22 Jun
1 Jul
2 wk after
Wormwood
Artemisia absinthium
14 – 28 Apr
30 Apr
6-8 wk
9 Jun
11 Jun
0 wk
22 Jun
2 wk after
Mexican sunflower
Tithonia rotundifolia
Greenhouse
4 – 18 May
15 May
4-6 wk
15 Jun
1 wk after
Garden pansy
Viola × wittrockiana
31 Mar – 14 Apr
16 May
8-10 wk
9 Jun
11 Jul
0 wk
19 Jun
1 Jul
1 wk after
Petunia
Petunia
Fleece
23 Mar – 20 Apr
22 Apr
8-12 wk
15 Jun
17 Jun
1 wk after
Sweet Scabious
Scabiosa atropurpurea
16 – 30 Apr
30 Apr
6-8 wk
11 Jun
11 Jun
0 wk
22 Jul
6 wk after
Common zinnia
Zinnia elegans
11 – 25 May
20 May
4-6 wk
22 Jun
2 wk after
Common morning glory
Ipomoea purpurea
Fleece
18 May – 1 Jun
27 May
3-5 wk
22 Jun
2 wk after
Garden cosmos
Cosmos bipinnatus
11 – 25 May
20 May
4-6 wk
22 Jun
2 wk after
22 Jul
6 wk after
Scarlet milkweed
Asclepias curassavica
Fleece
18 Apr – 16 May
12 May
8-12 wk
11 Jul
5 wk after
Bee balm
Monarda didyma
17 Mar – 14 Apr
16 Apr
8-12 wk
9 Jun
11 Jun
0 wk
4 Jul
4 wk after
Yarrow
Achillea millefolium
14 – 28 Apr
6-8 wk
9 Jun
0 wk
22 Jun
2 wk after
Safflower
Carthamus tinctorius
9 Jun
11 Jun
0 wk
10 Jun
0 wk
Iceland poppy
Papaver nudicaule
Season too short
14 – 28 Apr
20 May
6-8 wk
9 Jun
1 Jul
0 wk
24 May
21 Jun
2 wk before
Bishop's flower
Ammi majus
28 Apr – 12 May
3 Jun
4-6 wk
9 Jun
1 Jul
0 wk
22 Jun
2 wk after
Drumsticks
Pycnosorus globosus
Greenhouse
23 Mar – 6 Apr
26 Mar
10-12 wk
15 Jun
1 wk after
Sunflower
Helianthus annuus
25 May – 1 Jun
3 Jun
3-4 wk
22 Jun
24 Jun
2 wk after
4 Jul
4 wk after
China aster
Callistephus chinensis
27 Apr – 11 May
23 May
6-8 wk
22 Jun
4 Jul
2 wk after
22 Jul
6 wk after
Annual phlox
Phlox drummondii
20 Apr – 4 May
11 May
6-8 wk
15 Jun
22 Jun
1 wk after
22 Jul
6 wk after
Hollyhock
Alcea rosea
14 – 28 Apr
6-8 wk
9 Jun
0 wk
22 Jun
2 wk after
Alpine delphinium
Delphinium elatum
17 Mar – 14 Apr
16 Apr
8-12 wk
9 Jun
11 Jun
0 wk
4 Jul
4 wk after
African marigold
Tagetes erecta
27 Apr – 11 May
11 May
6-8 wk
22 Jun
22 Jun
2 wk after
Black-eyed Susan
Rudbeckia hirta
16 – 30 Apr
13 May
6-8 wk
11 Jun
24 Jun
0 wk
22 Jul
6 wk after
Wood sage
Salvia nemorosa
31 Mar – 14 Apr
6 Apr
8-10 wk
9 Jun
0 wk
4 Jul
4 wk after
Black-eyed susan vine
Thunbergia alata
Fleece
13 Apr – 11 May
6 May
6-10 wk
22 Jun
2 wk after
California goldenpoppy
Eschscholzia californica
9 Jun
11 Jul
0 wk
10 Jun
1 Jul
0 wk
Painted tongue
Salpiglossis sinuata
13 – 27 Apr
20 Apr
8-10 wk
22 Jun
2 wk after
Water forget-me-not
Myosotis scorpioides
14 – 28 Apr
30 Apr
6-8 wk
9 Jun
11 Jun
0 wk
22 Jun
2 wk after