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Method
Rel. frost
Last spring frost (0°C) 2 Jun Frost 1 of 10 years · 20 years of data
Frost-free season 139 days 2 Jun – 19 Oct
Probability that frost is over

90% = 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)
14 – 28 Apr
19 Jun
5-7 wk
2 Jun
24 Jul
0 wk
27 May
14 Jul
1 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
21 Apr – 5 May
1 Jul
4-6 wk
2 Jun
29 Jul
0 wk
27 May
19 Jul
1 wk before
Chili pepper
Capsicum annuum
Season too short
16 Mar – 13 Apr
8-12 wk
8 Jun
1 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
14 – 28 Apr
14 Jun
5-7 wk
2 Jun
19 Jul
0 wk
20 May
9 Jul
2 wk before
Garden cucumber
Cucumis sativus
Fleece
18 – 25 May
3-4 wk
15 Jun
2 wk after
Florence Fennel
Foeniculum vulgare
30 May – 6 Jun
11 Jun
4-5 wk
4 Jul
9 Jul
5 wk after
13 Jul
6 wk after
Butter bean
Phaseolus lunatus
Season too short
13 – 20 Jun
3-4 wk
11 Jul
6 wk after
Onion
Allium cepa (Cepa-gruppen)
10 Mar – 7 Apr
4 Apr
8-12 wk
2 Jun
0 wk
15 Jun
2 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
27 May
19 Jun
1 wk before
27 May
9 Jun
1 wk before
Maize
Zea mays
Greenhouse
5 – 12 May
23 May
3-4 wk
2 Jun
13 Jun
0 wk
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
7 – 14 May
8 Jul
3-4 wk
4 Jun
29 Jul
0 wk
15 Jun
19 Jul
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
2 Jun
9 Jul
0 wk
20 May
29 Jun
2 wk before
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
14 – 28 Apr
14 Jun
5-7 wk
2 Jun
19 Jul
0 wk
20 May
9 Jul
2 wk before
Potato
Solanum tuberosum
26 Apr – 10 May
11 Jun
4-6 wk
7 Jun
9 Jul
1 wk after
7 Jun
29 Jun
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
14 – 28 Apr
24 Jun
5-7 wk
2 Jun
29 Jul
0 wk
27 May
19 Jul
1 wk before
Pumpkin
Cucurbita pepo
Fleece
18 – 25 May
7 Jun
3-4 wk
15 Jun
28 Jun
2 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
7 – 14 May
8 Jul
3-4 wk
4 Jun
29 Jul
0 wk
15 Jun
19 Jul
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
21 Apr – 5 May
26 Jun
4-6 wk
2 Jun
24 Jul
0 wk
Lettuce
Lactuca sativa
5 – 12 May
13 Jul
3-4 wk
2 Jun
3 Aug
0 wk
27 May
24 Jul
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
21 Apr – 5 May
26 Jun
4-6 wk
2 Jun
24 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
22 Apr – 6 May
5 Jun
2-4 wk
20 May
19 Jun
2 wk before
20 May
9 Jun
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
27 May
19 Jun
1 wk before
27 May
9 Jun
1 wk before
Spinach
Spinacia oleracea
5 – 12 May
28 Jul
3-4 wk
2 Jun
18 Aug
0 wk
13 May
8 Aug
3 wk before
Sweet potato
Ipomoea batatas
4 – 18 Jul
4-6 wk
15 Aug
11 wk after
Garden tomato
Solanum lycopersicum
Greenhouse
7 – 21 Apr
2 May
6-8 wk
2 Jun
13 Jun
0 wk
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
18 May – 1 Jun
2-4 wk
15 Jun
2 wk after
13 Jul
6 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
21 Apr – 5 May
26 Jun
4-6 wk
2 Jun
24 Jul
0 wk
Garden pea
Pisum sativum
5 – 12 May
28 Jun
3-4 wk
2 Jun
19 Jul
0 wk
27 May
9 Jul
1 wk before

Herbs

Plant Sow indoors Transplant Direct sow
Earliest Latest Growing time Earliest Latest Rel. frost Earliest Latest Rel. frost
Basil
Ocimum basilicum
Fleece
4 – 18 May
16 May
4-6 wk
15 Jun
2 wk after
Lemon balm
Melissa officinalis
24 Mar – 7 Apr
24 May
8-10 wk
2 Jun
19 Jul
0 wk
28 Jun
9 Jul
4 wk after
Dill
Anethum graveolens
27 May
29 Jul
1 wk before
Wild chives
Allium schoenoprasum
7 – 21 Apr
7 Jun
6-8 wk
2 Jun
19 Jul
0 wk
27 May
9 Jul
1 wk before
Spearmint
Mentha spicata
10 Mar – 7 Apr
24 May
8-12 wk
2 Jun
19 Jul
0 wk
28 Jun
9 Jul
4 wk after
Coriander
Coriandrum sativum
2 Jun
18 Aug
0 wk
15 Jun
8 Aug
2 wk after
Garden sage
Salvia officinalis
26 Mar – 9 Apr
9 May
8-10 wk
4 Jun
4 Jul
0 wk
Common thyme
Thymus vulgaris
24 Mar – 7 Apr
14 May
8-10 wk
2 Jun
9 Jul
0 wk
Oregano
Origanum vulgare
7 – 21 Apr
28 May
6-8 wk
2 Jun
9 Jul
0 wk
28 Jun
29 Jun
4 wk after
Parsley
Petroselinum crispum
7 – 21 Apr
28 May
6-8 wk
2 Jun
9 Jul
0 wk
27 May
29 Jun
1 wk before
Rosemary
Salvia rosmarinus
26 Feb – 26 Mar
10 Apr
10-14 wk
4 Jun
19 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
18 – 25 May
23 May
3-4 wk
15 Jun
2 wk after
Cornflower
Centaurea cyanus
2 Jun
19 Jul
0 wk
27 May
9 Jul
1 wk before
Statice
Limonium sinuatum
6 – 20 Apr
23 Apr
8-10 wk
15 Jun
18 Jun
2 wk after
Sweet William
Dianthus barbatus
7 – 21 Apr
6-8 wk
2 Jun
0 wk
7 Jun
1 wk after
Snow-on-the-mountain
Euphorbia marginata
20 Apr – 4 May
7 May
6-8 wk
15 Jun
18 Jun
2 wk after
15 Aug
11 wk after
Pinnate dahlia
Dahlia × pinnata
18 Apr – 2 May
15 May
6-8 wk
13 Jun
26 Jun
2 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
3 – 31 May
29 May
4-8 wk
28 Jun
4 wk after
28 Jun
4 wk after
Foxglove
Digitalis purpurea
24 Mar – 7 Apr
8-10 wk
2 Jun
0 wk
15 Jun
2 wk after
Busy lizzie
Impatiens walleriana
11 Apr – 9 May
3 Jun
8-12 wk
4 Jul
29 Jul
5 wk after
Creeping zinnia
Sanvitalia procumbens
20 Apr – 4 May
17 May
6-8 wk
15 Jun
28 Jun
2 wk after
Hyacinth bean
Dolichos lablab
Season too short
4 – 18 May
4-6 wk
15 Jun
2 wk after
Chinese lantern
Physalis alkekengi
26 Mar – 9 Apr
24 Apr
8-10 wk
4 Jun
19 Jun
0 wk
Love in a mist
Nigella damascena
2 Jun
4 Jul
0 wk
27 May
24 Jun
1 wk before
Strawflower
Xerochrysum bracteatum
20 Apr – 4 May
27 Apr
6-8 wk
15 Jun
2 wk after
15 Aug
11 wk after
Purple-top vervain
Verbena bonariensis
12 Mar – 9 Apr
24 Apr
8-12 wk
4 Jun
19 Jun
0 wk
Cardoon
Cynara cardunculus
23 Mar – 20 Apr
25 Mar
8-12 wk
15 Jun
2 wk after
Regal-foxtail
Ptilotus nobilis
Fleece
23 Mar – 20 Apr
8 Apr
8-12 wk
15 Jun
2 wk after
Globe amaranth
Gomphrena globosa
Fleece
20 Apr – 4 May
22 Apr
6-8 wk
15 Jun
2 wk after
Corn poppy
Papaver rhoeas
2 Jun
19 Jul
0 wk
27 May
9 Jul
1 wk before
Snapdragon
Antirrhinum majus
10 Mar – 7 Apr
14 May
8-12 wk
2 Jun
9 Jul
0 wk
7 Jun
29 Jun
1 wk after
Flossflower
Ageratum houstonianum
25 Apr – 9 May
3 May
8-10 wk
4 Jul
5 wk after
Sweet pea
Lathyrus odoratus
7 – 28 Apr
4 Jun
5-8 wk
2 Jun
9 Jul
0 wk
Stock
Matthiola incana
7 – 21 Apr
7 Jun
6-8 wk
2 Jun
19 Jul
0 wk
15 Jun
9 Jul
2 wk after
Wormwood
Artemisia absinthium
7 – 21 Apr
8 May
6-8 wk
2 Jun
19 Jun
0 wk
15 Jun
2 wk after
Mexican sunflower
Tithonia rotundifolia
Fleece
4 – 18 May
4-6 wk
15 Jun
2 wk after
Garden pansy
Viola × wittrockiana
24 Mar – 7 Apr
24 May
8-10 wk
2 Jun
19 Jul
0 wk
7 Jun
9 Jul
1 wk after
Petunia
Petunia
23 Mar – 20 Apr
23 Apr
8-12 wk
15 Jun
18 Jun
2 wk after
Sweet Scabious
Scabiosa atropurpurea
9 – 23 Apr
8 May
6-8 wk
4 Jun
19 Jun
0 wk
13 Jul
6 wk after
Common zinnia
Zinnia elegans
4 – 18 May
16 May
4-6 wk
15 Jun
2 wk after
Common morning glory
Ipomoea purpurea
Fleece
11 – 25 May
23 May
3-5 wk
15 Jun
2 wk after
Garden cosmos
Cosmos bipinnatus
4 – 18 May
29 May
4-6 wk
15 Jun
26 Jun
2 wk after
13 Jul
6 wk after
Scarlet milkweed
Asclepias curassavica
Fleece
11 Apr – 9 May
8 May
8-12 wk
4 Jul
5 wk after
Bee balm
Monarda didyma
10 Mar – 7 Apr
24 Apr
8-12 wk
2 Jun
19 Jun
0 wk
28 Jun
4 wk after
Yarrow
Achillea millefolium
7 – 21 Apr
8 Apr
6-8 wk
2 Jun
0 wk
15 Jun
2 wk after
Safflower
Carthamus tinctorius
2 Jun
19 Jun
0 wk
27 May
9 Jun
1 wk before
Iceland poppy
Papaver nudicaule
Season too short
7 – 21 Apr
28 May
6-8 wk
2 Jun
9 Jul
0 wk
17 Apr
29 Jun
7 wk before
Bishop's flower
Ammi majus
21 Apr – 5 May
11 Jun
4-6 wk
2 Jun
9 Jul
0 wk
15 Jun
29 Jun
2 wk after
Drumsticks
Pycnosorus globosus
Fleece
23 Mar – 6 Apr
28 Mar
10-12 wk
15 Jun
2 wk after
Sunflower
Helianthus annuus
18 – 25 May
18 Jun
3-4 wk
15 Jun
9 Jul
2 wk after
28 Jun
29 Jun
4 wk after
China aster
Callistephus chinensis
20 Apr – 4 May
7 Jun
6-8 wk
15 Jun
19 Jul
2 wk after
13 Jul
6 wk after
Annual phlox
Phlox drummondii
13 – 27 Apr
17 May
6-8 wk
8 Jun
28 Jun
1 wk after
13 Jul
6 wk after
Hollyhock
Alcea rosea
7 – 21 Apr
6-8 wk
2 Jun
0 wk
15 Jun
2 wk after
Alpine delphinium
Delphinium elatum
10 Mar – 7 Apr
24 Apr
8-12 wk
2 Jun
19 Jun
0 wk
28 Jun
4 wk after
African marigold
Tagetes erecta
20 Apr – 4 May
17 May
6-8 wk
15 Jun
28 Jun
2 wk after
Black-eyed Susan
Rudbeckia hirta
9 – 23 Apr
28 May
6-8 wk
4 Jun
9 Jul
0 wk
13 Jul
6 wk after
Wood sage
Salvia nemorosa
24 Mar – 7 Apr
14 Apr
8-10 wk
2 Jun
9 Jun
0 wk
28 Jun
4 wk after
Black-eyed susan vine
Thunbergia alata
Fleece
6 Apr – 4 May
2 May
6-10 wk
15 Jun
2 wk after
California goldenpoppy
Eschscholzia californica
2 Jun
19 Jul
0 wk
27 May
9 Jul
1 wk before
Painted tongue
Salpiglossis sinuata
6 – 20 Apr
14 May
8-10 wk
15 Jun
9 Jul
2 wk after
Water forget-me-not
Myosotis scorpioides
7 – 21 Apr
8 May
6-8 wk
2 Jun
19 Jun
0 wk
15 Jun
2 wk after