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Method
Rel. frost
Last spring frost (0°C) 5 Jun Frost 1 of 4 years · 20 years of data
Frost-free season 115 days 5 Jun – 28 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)
17 Apr – 1 May
11 Jun
5-7 wk
5 Jun
16 Jul
0 wk
6 Jun
6 Jul
0 wk
Broccoli
Brassica oleracea (Italica-gruppen)
24 Apr – 8 May
23 Jun
4-6 wk
5 Jun
21 Jul
0 wk
6 Jun
11 Jul
0 wk
Chili pepper
Capsicum annuum
Season too short
19 Mar – 16 Apr
20 Mar
8-12 wk
11 Jun
1 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
17 Apr – 1 May
6 Jun
5-7 wk
5 Jun
11 Jul
0 wk
5 Jun
1 Jul
0 wk
Garden cucumber
Cucumis sativus
Greenhouse
14 – 21 May
12 Jun
3-4 wk
11 Jun
3 Jul
1 wk after
Florence Fennel
Foeniculum vulgare
Fleece
14 – 21 May
3 Jun
4-5 wk
18 Jun
1 Jul
2 wk after
30 Jun
4 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)
Season too short
13 Mar – 10 Apr
24 Mar
8-12 wk
5 Jun
0 wk
5 Jun
0 wk
Onion (sets)
Allium cepa (Cepa-gruppen)
Greenhouse
27 May
8 Jun
1 wk before
27 May
29 May
1 wk before
Maize
Zea mays
Greenhouse
8 – 15 May
2 Jun
3-4 wk
5 Jun
23 Jun
0 wk
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
10 – 17 May
30 Jun
3-4 wk
7 Jun
21 Jul
0 wk
18 Jun
11 Jul
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
5 Jun
1 Jul
0 wk
5 Jun
21 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
17 Apr – 1 May
6 Jun
5-7 wk
5 Jun
11 Jul
0 wk
5 Jun
1 Jul
0 wk
Potato
Solanum tuberosum
Greenhouse
21 Apr – 5 May
19 May
4-6 wk
2 Jun
16 Jun
0 wk
2 Jun
6 Jun
0 wk
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
17 Apr – 1 May
16 Jun
5-7 wk
5 Jun
21 Jul
0 wk
6 Jun
11 Jul
0 wk
Pumpkin
Cucurbita pepo
Fleece
21 – 28 May
17 Jun
3-4 wk
18 Jun
8 Jul
2 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
Fleece
8 – 15 May
21 May
3-4 wk
5 Jun
11 Jun
0 wk
11 Jun
1 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
24 Apr – 8 May
18 Jun
4-6 wk
5 Jun
16 Jul
0 wk
Lettuce
Lactuca sativa
8 – 15 May
5 Jul
3-4 wk
5 Jun
26 Jul
0 wk
6 Jun
16 Jul
0 wk
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
24 Apr – 8 May
18 Jun
4-6 wk
5 Jun
16 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
Greenhouse
22 Apr – 6 May
28 May
2-4 wk
20 May
11 Jun
2 wk before
20 May
1 Jun
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
Greenhouse
27 May
8 Jun
1 wk before
27 May
29 May
1 wk before
Spinach
Spinacia oleracea
8 – 15 May
20 Jul
3-4 wk
5 Jun
10 Aug
0 wk
2 Jun
31 Jul
0 wk
Sweet potato
Ipomoea batatas
30 Jun – 14 Jul
4-6 wk
11 Aug
10 wk after
Garden tomato
Solanum lycopersicum
Greenhouse
10 – 24 Apr
12 May
6-8 wk
5 Jun
23 Jun
0 wk
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Fleece
14 – 28 May
19 Jun
2-4 wk
11 Jun
3 Jul
1 wk after
30 Jun
4 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
24 Apr – 8 May
18 Jun
4-6 wk
5 Jun
16 Jul
0 wk
Garden pea
Pisum sativum
8 – 15 May
20 Jun
3-4 wk
5 Jun
11 Jul
0 wk
6 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
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
16 May
8-10 wk
5 Jun
11 Jul
0 wk
30 Jun
1 Jul
4 wk after
Dill
Anethum graveolens
6 Jun
21 Jul
0 wk
Wild chives
Allium schoenoprasum
10 – 24 Apr
30 May
6-8 wk
5 Jun
11 Jul
0 wk
6 Jun
1 Jul
0 wk
Spearmint
Mentha spicata
13 Mar – 10 Apr
16 May
8-12 wk
5 Jun
11 Jul
0 wk
30 Jun
1 Jul
4 wk after
Coriander
Coriandrum sativum
5 Jun
10 Aug
0 wk
18 Jun
31 Jul
2 wk after
Garden sage
Salvia officinalis
29 Mar – 12 Apr
1 May
8-10 wk
7 Jun
26 Jun
0 wk
Common thyme
Thymus vulgaris
27 Mar – 10 Apr
6 May
8-10 wk
5 Jun
1 Jul
0 wk
Oregano
Origanum vulgare
10 – 24 Apr
20 May
6-8 wk
5 Jun
1 Jul
0 wk
30 Jun
4 wk after
Parsley
Petroselinum crispum
10 – 24 Apr
20 May
6-8 wk
5 Jun
1 Jul
0 wk
6 Jun
21 Jun
0 wk
Rosemary
Salvia rosmarinus
1 – 29 Mar
2 Apr
10-14 wk
7 Jun
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
Greenhouse
14 – 21 May
7 Jun
3-4 wk
11 Jun
28 Jun
1 wk after
Cornflower
Centaurea cyanus
5 Jun
11 Jul
0 wk
6 Jun
1 Jul
0 wk
Statice
Limonium sinuatum
Fleece
2 – 16 Apr
29 Apr
8-10 wk
11 Jun
24 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
13 May
6-8 wk
11 Jun
24 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
3 Jun
4-8 wk
11 Jun
1 Jul
1 wk after
11 Jun
21 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
14 Apr – 12 May
13 Jun
8-12 wk
7 Jul
8 Aug
5 wk after
Creeping zinnia
Sanvitalia procumbens
23 Apr – 7 May
14 May
6-8 wk
18 Jun
25 Jun
2 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
16 Apr
8-10 wk
7 Jun
11 Jun
0 wk
Love in a mist
Nigella damascena
5 Jun
26 Jun
0 wk
6 Jun
16 Jun
0 wk
Strawflower
Xerochrysum bracteatum
Fleece
16 – 30 Apr
3 May
6-8 wk
11 Jun
14 Jun
1 wk after
25 Jul
7 wk after
Purple-top vervain
Verbena bonariensis
15 Mar – 12 Apr
16 Apr
8-12 wk
7 Jun
11 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
11 Jul
0 wk
6 Jun
1 Jul
0 wk
Snapdragon
Antirrhinum majus
13 Mar – 10 Apr
6 May
8-12 wk
5 Jun
1 Jul
0 wk
15 Jun
21 Jun
1 wk after
Flossflower
Ageratum houstonianum
Fleece
9 – 23 Apr
9 May
8-10 wk
18 Jun
4 Jul
2 wk after
Sweet pea
Lathyrus odoratus
10 Apr – 1 May
27 May
5-8 wk
5 Jun
1 Jul
0 wk
Stock
Matthiola incana
10 – 24 Apr
30 May
6-8 wk
5 Jun
11 Jul
0 wk
18 Jun
1 Jul
2 wk after
Wormwood
Artemisia absinthium
10 – 24 Apr
30 Apr
6-8 wk
5 Jun
11 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
16 May
8-10 wk
5 Jun
11 Jul
0 wk
15 Jun
1 Jul
1 wk after
Petunia
Petunia
Fleece
19 Mar – 16 Apr
29 Apr
8-12 wk
11 Jun
24 Jun
1 wk after
Sweet Scabious
Scabiosa atropurpurea
12 – 26 Apr
30 Apr
6-8 wk
7 Jun
11 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
3 Jun
4-6 wk
11 Jun
1 Jul
1 wk after
30 Jun
4 wk after
Scarlet milkweed
Asclepias curassavica
Fleece
14 Apr – 12 May
18 May
8-12 wk
7 Jul
13 Jul
5 wk after
Bee balm
Monarda didyma
13 Mar – 10 Apr
16 Apr
8-12 wk
5 Jun
11 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
11 Jun
0 wk
6 Jun
0 wk
Iceland poppy
Papaver nudicaule
Season too short
10 – 24 Apr
20 May
6-8 wk
5 Jun
1 Jul
0 wk
20 May
21 Jun
2 wk before
Bishop's flower
Ammi majus
24 Apr – 8 May
3 Jun
4-6 wk
5 Jun
1 Jul
0 wk
18 Jun
21 Jun
2 wk after
Drumsticks
Pycnosorus globosus
Greenhouse
19 Mar – 2 Apr
2 Apr
10-12 wk
11 Jun
11 Jun
1 wk after
Sunflower
Helianthus annuus
21 – 28 May
10 Jun
3-4 wk
18 Jun
1 Jul
2 wk after
30 Jun
4 wk after
China aster
Callistephus chinensis
23 Apr – 7 May
30 May
6-8 wk
18 Jun
11 Jul
2 wk after
18 Jul
6 wk after
Annual phlox
Phlox drummondii
16 – 30 Apr
14 May
6-8 wk
11 Jun
25 Jun
1 wk after
18 Jul
6 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
16 Apr
8-12 wk
5 Jun
11 Jun
0 wk
30 Jun
4 wk after
African marigold
Tagetes erecta
23 Apr – 7 May
14 May
6-8 wk
18 Jun
25 Jun
2 wk after
Black-eyed Susan
Rudbeckia hirta
12 – 26 Apr
20 May
6-8 wk
7 Jun
1 Jul
0 wk
18 Jul
6 wk after
Wood sage
Salvia nemorosa
27 Mar – 10 Apr
6 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
11 Jul
0 wk
6 Jun
1 Jul
0 wk
Painted tongue
Salpiglossis sinuata
9 – 23 Apr
6 May
8-10 wk
18 Jun
1 Jul
2 wk after
Water forget-me-not
Myosotis scorpioides
10 – 24 Apr
30 Apr
6-8 wk
5 Jun
11 Jun
0 wk
18 Jun
2 wk after