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Method
Rel. frost
Last spring frost (0°C) 22 Jun Frost 1 of 4 years · 20 years of data
Frost-free season 75 days 22 Jun – 5 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)
4 – 18 May
15 Jun
5-7 wk
22 Jun
20 Jul
0 wk
26 Jun
10 Jul
1 wk after
Broccoli
Brassica oleracea (Italica-gruppen)
11 – 25 May
27 Jun
4-6 wk
22 Jun
25 Jul
0 wk
26 Jun
15 Jul
1 wk after
Chili pepper
Capsicum annuum
Season too short
5 Apr – 3 May
8-12 wk
28 Jun
1 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
4 – 18 May
10 Jun
5-7 wk
22 Jun
15 Jul
0 wk
22 Jun
5 Jul
0 wk
Garden cucumber
Cucumis sativus
Greenhouse
31 May – 7 Jun
8 Jun
3-4 wk
28 Jun
29 Jun
1 wk after
Florence Fennel
Foeniculum vulgare
Fleece
31 May – 7 Jun
6 Jun
4-5 wk
5 Jul
2 wk after
27 Jul
5 wk after
Butter bean
Phaseolus lunatus
Season too short
3 – 10 Jul
3-4 wk
31 Jul
6 wk after
Onion
Allium cepa (Cepa-gruppen)
Season too short
30 Mar – 27 Apr
31 Mar
8-12 wk
22 Jun
0 wk
22 Jun
0 wk
Onion (sets)
Allium cepa (Cepa-gruppen)
Fleece
18 Jun
1 wk before
18 Jun
1 wk before
Maize
Zea mays
Greenhouse
25 May – 1 Jun
29 May
3-4 wk
22 Jun
0 wk
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
27 May – 3 Jun
3 Jul
3-4 wk
24 Jun
24 Jul
0 wk
13 Jul
14 Jul
3 wk after
Carrot
Daucus carota subsp. sativus var. sativus
22 Jun
5 Jul
0 wk
22 Jun
25 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
4 – 18 May
10 Jun
5-7 wk
22 Jun
15 Jul
0 wk
22 Jun
5 Jul
0 wk
Potato
Solanum tuberosum
Fleece
15 – 29 May
4-6 wk
26 Jun
1 wk after
26 Jun
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
4 – 18 May
20 Jun
5-7 wk
22 Jun
25 Jul
0 wk
26 Jun
15 Jul
1 wk after
Pumpkin
Cucurbita pepo
Fleece
7 – 14 Jun
13 Jun
3-4 wk
5 Jul
2 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
Greenhouse
25 May – 1 Jun
1 Jun
3-4 wk
22 Jun
22 Jun
0 wk
22 Jun
0 wk
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
11 – 25 May
22 Jun
4-6 wk
22 Jun
20 Jul
0 wk
Lettuce
Lactuca sativa
25 May – 1 Jun
9 Jul
3-4 wk
22 Jun
30 Jul
0 wk
26 Jun
20 Jul
1 wk after
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
11 – 25 May
22 Jun
4-6 wk
22 Jun
20 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
Fleece
17 – 31 May
28 May
2-4 wk
14 Jun
1 wk before
14 Jun
1 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
Fleece
18 Jun
1 wk before
18 Jun
1 wk before
Spinach
Spinacia oleracea
25 May – 1 Jun
24 Jul
3-4 wk
22 Jun
14 Aug
0 wk
18 Jun
4 Aug
1 wk before
Sweet potato
Ipomoea batatas
24 Jul – 7 Aug
4-6 wk
4 Sep
11 wk after
Garden tomato
Solanum lycopersicum
Greenhouse
27 Apr – 11 May
8 May
6-8 wk
22 Jun
0 wk
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Fleece
31 May – 14 Jun
15 Jun
2-4 wk
28 Jun
29 Jun
1 wk after
27 Jul
5 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
11 – 25 May
22 Jun
4-6 wk
22 Jun
20 Jul
0 wk
Garden pea
Pisum sativum
25 May – 1 Jun
24 Jun
3-4 wk
22 Jun
15 Jul
0 wk
26 Jun
5 Jul
1 wk after

Herbs

Plant Sow indoors Transplant Direct sow
Earliest Latest Growing time Earliest Latest Rel. frost Earliest Latest Rel. frost
Basil
Ocimum basilicum
Fleece
24 May – 7 Jun
4-6 wk
5 Jul
2 wk after
Lemon balm
Melissa officinalis
13 – 27 Apr
20 May
8-10 wk
22 Jun
15 Jul
0 wk
27 Jul
5 wk after
Dill
Anethum graveolens
26 Jun
24 Jul
1 wk after
Wild chives
Allium schoenoprasum
27 Apr – 11 May
3 Jun
6-8 wk
22 Jun
15 Jul
0 wk
26 Jun
5 Jul
1 wk after
Spearmint
Mentha spicata
30 Mar – 27 Apr
20 May
8-12 wk
22 Jun
15 Jul
0 wk
27 Jul
5 wk after
Coriander
Coriandrum sativum
22 Jun
13 Aug
0 wk
13 Jul
3 Aug
3 wk after
Garden sage
Salvia officinalis
15 – 29 Apr
5 May
8-10 wk
24 Jun
30 Jun
0 wk
Common thyme
Thymus vulgaris
13 – 27 Apr
10 May
8-10 wk
22 Jun
5 Jul
0 wk
Oregano
Origanum vulgare
27 Apr – 11 May
24 May
6-8 wk
22 Jun
5 Jul
0 wk
27 Jul
5 wk after
Parsley
Petroselinum crispum
27 Apr – 11 May
24 May
6-8 wk
22 Jun
5 Jul
0 wk
26 Jun
1 wk after
Rosemary
Salvia rosmarinus
Fleece
16 Mar – 13 Apr
6 Apr
10-14 wk
22 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
7 – 14 Jun
3-4 wk
5 Jul
2 wk after
Cornflower
Centaurea cyanus
22 Jun
15 Jul
0 wk
26 Jun
5 Jul
1 wk after
Statice
Limonium sinuatum
26 Apr – 10 May
8-10 wk
5 Jul
2 wk after
Sweet William
Dianthus barbatus
27 Apr – 11 May
6-8 wk
22 Jun
0 wk
8 Jul
2 wk after
Snow-on-the-mountain
Euphorbia marginata
10 – 24 May
6-8 wk
5 Jul
2 wk after
4 Sep
11 wk after
Pinnate dahlia
Dahlia × pinnata
8 – 22 May
6-8 wk
3 Jul
2 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
Greenhouse
7 May – 4 Jun
7 Jun
4-8 wk
2 Jul
5 Jul
1 wk after
2 Jul
1 wk after
Foxglove
Digitalis purpurea
13 – 27 Apr
8-10 wk
22 Jun
0 wk
13 Jul
3 wk after
Busy lizzie
Impatiens walleriana
Fleece
12 Apr – 10 May
18 Jun
8-12 wk
5 Jul
13 Aug
2 wk after
Creeping zinnia
Sanvitalia procumbens
10 – 24 May
11 May
6-8 wk
5 Jul
2 wk after
Hyacinth bean
Dolichos lablab
Season too short
24 May – 7 Jun
4-6 wk
5 Jul
2 wk after
Chinese lantern
Physalis alkekengi
15 – 29 Apr
19 Apr
8-10 wk
24 Jun
0 wk
Love in a mist
Nigella damascena
22 Jun
30 Jun
0 wk
26 Jun
1 wk after
Strawflower
Xerochrysum bracteatum
Fleece
3 – 17 May
5 May
6-8 wk
28 Jun
1 wk after
20 Aug
8 wk after
Purple-top vervain
Verbena bonariensis
1 – 29 Apr
19 Apr
8-12 wk
24 Jun
0 wk
Cardoon
Cynara cardunculus
Greenhouse
30 Mar – 27 Apr
8-12 wk
22 Jun
0 wk
Regal-foxtail
Ptilotus nobilis
Greenhouse
5 Apr – 3 May
23 Apr
8-12 wk
28 Jun
1 wk after
Globe amaranth
Gomphrena globosa
Greenhouse
3 – 17 May
7 May
6-8 wk
28 Jun
1 wk after
Corn poppy
Papaver rhoeas
22 Jun
15 Jul
0 wk
26 Jun
5 Jul
1 wk after
Snapdragon
Antirrhinum majus
30 Mar – 27 Apr
10 May
8-12 wk
22 Jun
5 Jul
0 wk
8 Jul
2 wk after
Flossflower
Ageratum houstonianum
Fleece
26 Apr – 10 May
11 May
8-10 wk
5 Jul
6 Jul
2 wk after
Sweet pea
Lathyrus odoratus
27 Apr – 18 May
31 May
5-8 wk
22 Jun
5 Jul
0 wk
Stock
Matthiola incana
27 Apr – 11 May
3 Jun
6-8 wk
22 Jun
15 Jul
0 wk
13 Jul
3 wk after
Wormwood
Artemisia absinthium
27 Apr – 11 May
4 May
6-8 wk
22 Jun
0 wk
13 Jul
3 wk after
Mexican sunflower
Tithonia rotundifolia
Greenhouse
17 – 31 May
4-6 wk
28 Jun
1 wk after
Garden pansy
Viola × wittrockiana
13 – 27 Apr
20 May
8-10 wk
22 Jun
15 Jul
0 wk
8 Jul
2 wk after
Petunia
Petunia
12 Apr – 10 May
17 Apr
8-12 wk
5 Jul
2 wk after
Sweet Scabious
Scabiosa atropurpurea
29 Apr – 13 May
3 May
6-8 wk
24 Jun
0 wk
10 Aug
7 wk after
Common zinnia
Zinnia elegans
24 May – 7 Jun
4-6 wk
5 Jul
2 wk after
Common morning glory
Ipomoea purpurea
Fleece
31 May – 14 Jun
3-5 wk
5 Jul
2 wk after
Garden cosmos
Cosmos bipinnatus
24 May – 7 Jun
4-6 wk
5 Jul
2 wk after
10 Aug
7 wk after
Scarlet milkweed
Asclepias curassavica
Greenhouse
12 Apr – 10 May
23 May
8-12 wk
5 Jul
18 Jul
2 wk after
Bee balm
Monarda didyma
30 Mar – 27 Apr
20 Apr
8-12 wk
22 Jun
0 wk
27 Jul
5 wk after
Yarrow
Achillea millefolium
27 Apr – 11 May
6-8 wk
22 Jun
0 wk
13 Jul
3 wk after
Safflower
Carthamus tinctorius
22 Jun
0 wk
26 Jun
1 wk after
Iceland poppy
Papaver nudicaule
Season too short
27 Apr – 11 May
24 May
6-8 wk
22 Jun
5 Jul
0 wk
4 Jun
25 Jun
3 wk before
Bishop's flower
Ammi majus
11 – 25 May
7 Jun
4-6 wk
22 Jun
5 Jul
0 wk
13 Jul
3 wk after
Drumsticks
Pycnosorus globosus
Greenhouse
5 – 19 Apr
10-12 wk
28 Jun
1 wk after
Sunflower
Helianthus annuus
7 – 14 Jun
3-4 wk
5 Jul
2 wk after
27 Jul
5 wk after
China aster
Callistephus chinensis
10 – 24 May
22 May
6-8 wk
5 Jul
2 wk after
10 Aug
7 wk after
Annual phlox
Phlox drummondii
3 – 17 May
11 May
6-8 wk
28 Jun
1 wk after
10 Aug
7 wk after
Hollyhock
Alcea rosea
27 Apr – 11 May
6-8 wk
22 Jun
0 wk
13 Jul
3 wk after
Alpine delphinium
Delphinium elatum
30 Mar – 27 Apr
20 Apr
8-12 wk
22 Jun
0 wk
27 Jul
5 wk after
African marigold
Tagetes erecta
10 – 24 May
11 May
6-8 wk
5 Jul
2 wk after
Black-eyed Susan
Rudbeckia hirta
29 Apr – 13 May
12 May
6-8 wk
24 Jun
0 wk
10 Aug
7 wk after
Wood sage
Salvia nemorosa
13 – 27 Apr
8-10 wk
22 Jun
0 wk
27 Jul
5 wk after
Black-eyed susan vine
Thunbergia alata
Fleece
26 Apr – 24 May
8 May
6-10 wk
5 Jul
2 wk after
California goldenpoppy
Eschscholzia californica
22 Jun
15 Jul
0 wk
26 Jun
5 Jul
1 wk after
Painted tongue
Salpiglossis sinuata
Fleece
19 Apr – 3 May
9 May
8-10 wk
28 Jun
4 Jul
1 wk after
Water forget-me-not
Myosotis scorpioides
27 Apr – 11 May
4 May
6-8 wk
22 Jun
0 wk
13 Jul
3 wk after