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Method
Rel. frost
Last spring frost (0°C) 3 Jun Normal year · 20 years of data
Frost-free season 100 days 3 Jun – 11 Sep
Probability that frost is over

50% = 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)
15 – 29 Apr
14 Jun
5-7 wk
3 Jun
19 Jul
0 wk
7 Jun
9 Jul
1 wk after
Broccoli
Brassica oleracea (Italica-gruppen)
22 Apr – 6 May
26 Jun
4-6 wk
3 Jun
24 Jul
0 wk
7 Jun
14 Jul
1 wk after
Chili pepper
Capsicum annuum
Greenhouse
26 Mar – 23 Apr
31 Mar
8-12 wk
18 Jun
2 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
15 – 29 Apr
9 Jun
5-7 wk
3 Jun
14 Jul
0 wk
3 Jun
4 Jul
0 wk
Garden cucumber
Cucumis sativus
Fleece
2 – 9 Jun
3-4 wk
30 Jun
4 wk after
Florence Fennel
Foeniculum vulgare
Fleece
26 May – 2 Jun
2 Jun
4-5 wk
30 Jun
30 Jun
4 wk after
8 Jul
5 wk after
Butter bean
Phaseolus lunatus
Season too short
23 – 30 Jun
3-4 wk
21 Jul
7 wk after
Onion
Allium cepa (Cepa-gruppen)
11 Mar – 8 Apr
25 Mar
8-12 wk
3 Jun
0 wk
24 Jun
3 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
7 Jun
9 Jun
1 wk after
7 Jun
1 wk after
Maize
Zea mays
Fleece
21 – 28 May
3-4 wk
18 Jun
2 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
14 – 21 May
29 Jun
3-4 wk
11 Jun
20 Jul
1 wk after
24 Jun
10 Jul
3 wk after
Carrot
Daucus carota subsp. sativus var. sativus
3 Jun
4 Jul
0 wk
3 Jun
24 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
15 – 29 Apr
9 Jun
5-7 wk
3 Jun
14 Jul
0 wk
3 Jun
4 Jul
0 wk
Potato
Solanum tuberosum
8 – 22 May
21 May
4-6 wk
19 Jun
2 wk after
19 Jun
2 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
15 – 29 Apr
19 Jun
5-7 wk
3 Jun
24 Jul
0 wk
7 Jun
14 Jul
1 wk after
Pumpkin
Cucurbita pepo
18 – 25 Jun
3-4 wk
16 Jul
6 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
14 – 21 May
6 Jun
3-4 wk
11 Jun
27 Jun
1 wk after
24 Jun
3 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
22 Apr – 6 May
21 Jun
4-6 wk
3 Jun
19 Jul
0 wk
Lettuce
Lactuca sativa
6 – 13 May
8 Jul
3-4 wk
3 Jun
29 Jul
0 wk
7 Jun
19 Jul
1 wk after
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
22 Apr – 6 May
21 Jun
4-6 wk
3 Jun
19 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
6 – 20 May
29 May
2-4 wk
3 Jun
12 Jun
0 wk
3 Jun
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
7 Jun
9 Jun
1 wk after
7 Jun
1 wk after
Spinach
Spinacia oleracea
6 – 13 May
23 Jul
3-4 wk
3 Jun
13 Aug
0 wk
30 May
3 Aug
1 wk before
Sweet potato
Ipomoea batatas
5 – 19 Jul
4-6 wk
16 Aug
11 wk after
Garden tomato
Solanum lycopersicum
Fleece
23 Apr – 7 May
24 Apr
6-8 wk
18 Jun
2 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
2 – 16 Jun
2-4 wk
30 Jun
4 wk after
22 Jul
7 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
22 Apr – 6 May
21 Jun
4-6 wk
3 Jun
19 Jul
0 wk
Garden pea
Pisum sativum
6 – 13 May
23 Jun
3-4 wk
3 Jun
14 Jul
0 wk
7 Jun
4 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
19 May – 2 Jun
29 May
4-6 wk
30 Jun
4 wk after
Lemon balm
Melissa officinalis
25 Mar – 8 Apr
19 May
8-10 wk
3 Jun
14 Jul
0 wk
8 Jul
5 wk after
Dill
Anethum graveolens
7 Jun
20 Jul
1 wk after
Wild chives
Allium schoenoprasum
8 – 22 Apr
2 Jun
6-8 wk
3 Jun
14 Jul
0 wk
7 Jun
4 Jul
1 wk after
Spearmint
Mentha spicata
11 Mar – 8 Apr
19 May
8-12 wk
3 Jun
14 Jul
0 wk
8 Jul
5 wk after
Coriander
Coriandrum sativum
3 Jun
9 Aug
0 wk
24 Jun
30 Jul
3 wk after
Garden sage
Salvia officinalis
2 – 16 Apr
4 May
8-10 wk
11 Jun
29 Jun
1 wk after
Common thyme
Thymus vulgaris
25 Mar – 8 Apr
9 May
8-10 wk
3 Jun
4 Jul
0 wk
Oregano
Origanum vulgare
8 – 22 Apr
23 May
6-8 wk
3 Jun
4 Jul
0 wk
8 Jul
5 wk after
Parsley
Petroselinum crispum
8 – 22 Apr
23 May
6-8 wk
3 Jun
4 Jul
0 wk
7 Jun
24 Jun
1 wk after
Rosemary
Salvia rosmarinus
5 Mar – 2 Apr
27 Mar
10-14 wk
11 Jun
1 wk after

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
2 – 9 Jun
5 Jun
3-4 wk
30 Jun
4 wk after
Cornflower
Centaurea cyanus
3 Jun
14 Jul
0 wk
7 Jun
4 Jul
1 wk after
Statice
Limonium sinuatum
21 Apr – 5 May
23 Apr
8-10 wk
30 Jun
4 wk after
Sweet William
Dianthus barbatus
8 – 22 Apr
6-8 wk
3 Jun
0 wk
19 Jun
2 wk after
Snow-on-the-mountain
Euphorbia marginata
5 – 19 May
7 May
6-8 wk
30 Jun
4 wk after
16 Aug
11 wk after
Pinnate dahlia
Dahlia × pinnata
27 Apr – 11 May
11 May
6-8 wk
22 Jun
22 Jun
3 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
13 May – 10 Jun
25 May
4-8 wk
8 Jul
5 wk after
8 Jul
5 wk after
Foxglove
Digitalis purpurea
25 Mar – 8 Apr
8-10 wk
3 Jun
0 wk
24 Jun
3 wk after
Busy lizzie
Impatiens walleriana
23 Apr – 21 May
16 Jun
8-12 wk
16 Jul
11 Aug
6 wk after
Creeping zinnia
Sanvitalia procumbens
5 – 19 May
17 May
6-8 wk
30 Jun
4 wk after
Hyacinth bean
Dolichos lablab
Season too short
19 May – 2 Jun
4-6 wk
30 Jun
4 wk after
Chinese lantern
Physalis alkekengi
2 – 16 Apr
15 Apr
8-10 wk
11 Jun
1 wk after
Love in a mist
Nigella damascena
3 Jun
29 Jun
0 wk
7 Jun
19 Jun
1 wk after
Strawflower
Xerochrysum bracteatum
5 – 19 May
6-8 wk
30 Jun
4 wk after
16 Aug
11 wk after
Purple-top vervain
Verbena bonariensis
19 Mar – 16 Apr
15 Apr
8-12 wk
11 Jun
1 wk after
Cardoon
Cynara cardunculus
Fleece
26 Mar – 23 Apr
8-12 wk
18 Jun
2 wk after
Regal-foxtail
Ptilotus nobilis
Fleece
7 Apr – 5 May
21 Apr
8-12 wk
30 Jun
4 wk after
Globe amaranth
Gomphrena globosa
Fleece
5 – 19 May
5 May
6-8 wk
30 Jun
4 wk after
Corn poppy
Papaver rhoeas
3 Jun
14 Jul
0 wk
7 Jun
4 Jul
1 wk after
Snapdragon
Antirrhinum majus
11 Mar – 8 Apr
9 May
8-12 wk
3 Jun
4 Jul
0 wk
19 Jun
24 Jun
2 wk after
Flossflower
Ageratum houstonianum
7 – 21 May
8-10 wk
16 Jul
6 wk after
Sweet pea
Lathyrus odoratus
8 – 29 Apr
30 May
5-8 wk
3 Jun
4 Jul
0 wk
Stock
Matthiola incana
8 – 22 Apr
2 Jun
6-8 wk
3 Jun
14 Jul
0 wk
24 Jun
4 Jul
3 wk after
Wormwood
Artemisia absinthium
8 – 22 Apr
3 May
6-8 wk
3 Jun
14 Jun
0 wk
24 Jun
3 wk after
Mexican sunflower
Tithonia rotundifolia
Fleece
19 May – 2 Jun
4-6 wk
30 Jun
4 wk after
Garden pansy
Viola × wittrockiana
25 Mar – 8 Apr
19 May
8-10 wk
3 Jun
14 Jul
0 wk
19 Jun
4 Jul
2 wk after
Petunia
Petunia
7 Apr – 5 May
23 Apr
8-12 wk
30 Jun
4 wk after
Sweet Scabious
Scabiosa atropurpurea
16 – 30 Apr
29 Apr
6-8 wk
11 Jun
1 wk after
22 Jul
7 wk after
Common zinnia
Zinnia elegans
19 May – 2 Jun
29 May
4-6 wk
30 Jun
4 wk after
Common morning glory
Ipomoea purpurea
Fleece
26 May – 9 Jun
5 Jun
3-5 wk
30 Jun
4 wk after
Garden cosmos
Cosmos bipinnatus
19 May – 2 Jun
25 May
4-6 wk
30 Jun
4 wk after
22 Jul
7 wk after
Scarlet milkweed
Asclepias curassavica
Fleece
23 Apr – 21 May
21 May
8-12 wk
16 Jul
16 Jul
6 wk after
Bee balm
Monarda didyma
11 Mar – 8 Apr
19 Apr
8-12 wk
3 Jun
14 Jun
0 wk
8 Jul
5 wk after
Yarrow
Achillea millefolium
8 – 22 Apr
6-8 wk
3 Jun
0 wk
24 Jun
3 wk after
Safflower
Carthamus tinctorius
3 Jun
14 Jun
0 wk
7 Jun
1 wk after
Iceland poppy
Papaver nudicaule
Season too short
8 – 22 Apr
23 May
6-8 wk
3 Jun
4 Jul
0 wk
16 May
24 Jun
3 wk before
Bishop's flower
Ammi majus
22 Apr – 6 May
6 Jun
4-6 wk
3 Jun
4 Jul
0 wk
24 Jun
24 Jun
3 wk after
Drumsticks
Pycnosorus globosus
Greenhouse
26 Mar – 9 Apr
5 Apr
10-12 wk
18 Jun
2 wk after
Sunflower
Helianthus annuus
2 – 9 Jun
4 Jun
3-4 wk
30 Jun
4 wk after
8 Jul
5 wk after
China aster
Callistephus chinensis
5 – 19 May
24 May
6-8 wk
30 Jun
5 Jul
4 wk after
22 Jul
7 wk after
Annual phlox
Phlox drummondii
23 Apr – 7 May
17 May
6-8 wk
18 Jun
28 Jun
2 wk after
22 Jul
7 wk after
Hollyhock
Alcea rosea
8 – 22 Apr
6-8 wk
3 Jun
0 wk
24 Jun
3 wk after
Alpine delphinium
Delphinium elatum
11 Mar – 8 Apr
19 Apr
8-12 wk
3 Jun
14 Jun
0 wk
8 Jul
5 wk after
African marigold
Tagetes erecta
5 – 19 May
17 May
6-8 wk
30 Jun
4 wk after
Black-eyed Susan
Rudbeckia hirta
16 – 30 Apr
14 May
6-8 wk
11 Jun
25 Jun
1 wk after
22 Jul
7 wk after
Wood sage
Salvia nemorosa
25 Mar – 8 Apr
9 Apr
8-10 wk
3 Jun
4 Jun
0 wk
8 Jul
5 wk after
Black-eyed susan vine
Thunbergia alata
Fleece
21 Apr – 19 May
15 May
6-10 wk
30 Jun
4 wk after
California goldenpoppy
Eschscholzia californica
3 Jun
14 Jul
0 wk
7 Jun
4 Jul
1 wk after
Painted tongue
Salpiglossis sinuata
21 Apr – 5 May
8-10 wk
30 Jun
4 wk after
Water forget-me-not
Myosotis scorpioides
8 – 22 Apr
3 May
6-8 wk
3 Jun
14 Jun
0 wk
24 Jun
3 wk after