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