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Method
Rel. frost
Last spring frost (0°C) 7 Jun Frost 1 of 4 years · 20 years of data
Frost-free season 101 days 7 Jun – 16 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)
19 Apr – 3 May
12 Jun
5-7 wk
7 Jun
17 Jul
0 wk
8 Jun
7 Jul
0 wk
Broccoli
Brassica oleracea (Italica-gruppen)
26 Apr – 10 May
24 Jun
4-6 wk
7 Jun
22 Jul
0 wk
8 Jun
12 Jul
0 wk
Chili pepper
Capsicum annuum
Season too short
21 Mar – 18 Apr
8-12 wk
13 Jun
1 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
19 Apr – 3 May
7 Jun
5-7 wk
7 Jun
12 Jul
0 wk
7 Jun
2 Jul
0 wk
Garden cucumber
Cucumis sativus
Greenhouse
16 – 23 May
8 Jun
3-4 wk
13 Jun
29 Jun
1 wk after
Florence Fennel
Foeniculum vulgare
Fleece
16 – 23 May
4 Jun
4-5 wk
20 Jun
2 Jul
2 wk after
2 Jul
4 wk after
Butter bean
Phaseolus lunatus
Season too short
18 – 25 Jun
3-4 wk
16 Jul
6 wk after
Onion
Allium cepa (Cepa-gruppen)
Greenhouse
15 Mar – 12 Apr
28 Mar
8-12 wk
7 Jun
0 wk
7 Jun
0 wk
Onion (sets)
Allium cepa (Cepa-gruppen)
Fleece
4 Jun
4 Jun
0 wk
4 Jun
0 wk
Maize
Zea mays
Greenhouse
10 – 17 May
29 May
3-4 wk
7 Jun
19 Jun
0 wk
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
12 – 19 May
1 Jul
3-4 wk
9 Jun
22 Jul
0 wk
20 Jun
12 Jul
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
7 Jun
2 Jul
0 wk
7 Jun
22 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
19 Apr – 3 May
7 Jun
5-7 wk
7 Jun
12 Jul
0 wk
7 Jun
2 Jul
0 wk
Potato
Solanum tuberosum
Fleece
27 Apr – 11 May
14 May
4-6 wk
8 Jun
11 Jun
0 wk
8 Jun
0 wk
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
19 Apr – 3 May
17 Jun
5-7 wk
7 Jun
22 Jul
0 wk
8 Jun
12 Jul
0 wk
Pumpkin
Cucurbita pepo
Fleece
23 – 30 May
13 Jun
3-4 wk
20 Jun
4 Jul
2 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
Fleece
10 – 17 May
21 May
3-4 wk
7 Jun
11 Jun
0 wk
13 Jun
1 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
26 Apr – 10 May
19 Jun
4-6 wk
7 Jun
17 Jul
0 wk
Lettuce
Lactuca sativa
10 – 17 May
6 Jul
3-4 wk
7 Jun
27 Jul
0 wk
8 Jun
17 Jul
0 wk
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
26 Apr – 10 May
19 Jun
4-6 wk
7 Jun
17 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
Fleece
4 – 18 May
26 May
2-4 wk
1 Jun
9 Jun
1 wk before
1 Jun
1 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
Fleece
4 Jun
4 Jun
0 wk
4 Jun
0 wk
Spinach
Spinacia oleracea
10 – 17 May
21 Jul
3-4 wk
7 Jun
11 Aug
0 wk
4 Jun
1 Aug
0 wk
Sweet potato
Ipomoea batatas
2 – 16 Jul
4-6 wk
13 Aug
10 wk after
Garden tomato
Solanum lycopersicum
Greenhouse
12 – 26 Apr
8 May
6-8 wk
7 Jun
19 Jun
0 wk
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Fleece
16 – 30 May
15 Jun
2-4 wk
13 Jun
29 Jun
1 wk after
2 Jul
4 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
26 Apr – 10 May
19 Jun
4-6 wk
7 Jun
17 Jul
0 wk
Garden pea
Pisum sativum
10 – 17 May
21 Jun
3-4 wk
7 Jun
12 Jul
0 wk
8 Jun
2 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
2 – 16 May
31 May
4-6 wk
13 Jun
28 Jun
1 wk after
Lemon balm
Melissa officinalis
29 Mar – 12 Apr
17 May
8-10 wk
7 Jun
12 Jul
0 wk
2 Jul
2 Jul
4 wk after
Dill
Anethum graveolens
8 Jun
22 Jul
0 wk
Wild chives
Allium schoenoprasum
12 – 26 Apr
31 May
6-8 wk
7 Jun
12 Jul
0 wk
8 Jun
2 Jul
0 wk
Spearmint
Mentha spicata
15 Mar – 12 Apr
17 May
8-12 wk
7 Jun
12 Jul
0 wk
2 Jul
2 Jul
4 wk after
Coriander
Coriandrum sativum
7 Jun
11 Aug
0 wk
20 Jun
1 Aug
2 wk after
Garden sage
Salvia officinalis
31 Mar – 14 Apr
2 May
8-10 wk
9 Jun
27 Jun
0 wk
Common thyme
Thymus vulgaris
29 Mar – 12 Apr
7 May
8-10 wk
7 Jun
2 Jul
0 wk
Oregano
Origanum vulgare
12 – 26 Apr
21 May
6-8 wk
7 Jun
2 Jul
0 wk
2 Jul
4 wk after
Parsley
Petroselinum crispum
12 – 26 Apr
21 May
6-8 wk
7 Jun
2 Jul
0 wk
8 Jun
22 Jun
0 wk
Rosemary
Salvia rosmarinus
3 – 31 Mar
2 Apr
10-14 wk
9 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
16 – 23 May
7 Jun
3-4 wk
13 Jun
28 Jun
1 wk after
Cornflower
Centaurea cyanus
7 Jun
12 Jul
0 wk
8 Jun
2 Jul
0 wk
Statice
Limonium sinuatum
Fleece
4 – 18 Apr
5 May
8-10 wk
13 Jun
30 Jun
1 wk after
Sweet William
Dianthus barbatus
12 – 26 Apr
6-8 wk
7 Jun
0 wk
17 Jun
1 wk after
Snow-on-the-mountain
Euphorbia marginata
Fleece
18 Apr – 2 May
19 May
6-8 wk
13 Jun
30 Jun
1 wk after
27 Jul
7 wk after
Pinnate dahlia
Dahlia × pinnata
23 Apr – 7 May
7 May
6-8 wk
18 Jun
18 Jun
2 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
Greenhouse
18 Apr – 16 May
4 Jun
4-8 wk
13 Jun
2 Jul
1 wk after
13 Jun
22 Jun
1 wk after
Foxglove
Digitalis purpurea
29 Mar – 12 Apr
8-10 wk
7 Jun
0 wk
20 Jun
2 wk after
Busy lizzie
Impatiens walleriana
16 Apr – 14 May
9 Jun
8-12 wk
9 Jul
4 Aug
5 wk after
Creeping zinnia
Sanvitalia procumbens
Fleece
18 Apr – 2 May
29 May
6-8 wk
13 Jun
10 Jul
1 wk after
Hyacinth bean
Dolichos lablab
Season too short
9 – 23 May
4-6 wk
20 Jun
2 wk after
Chinese lantern
Physalis alkekengi
31 Mar – 14 Apr
17 Apr
8-10 wk
9 Jun
12 Jun
0 wk
Love in a mist
Nigella damascena
7 Jun
27 Jun
0 wk
8 Jun
17 Jun
0 wk
Strawflower
Xerochrysum bracteatum
Fleece
18 Apr – 2 May
9 May
6-8 wk
13 Jun
20 Jun
1 wk after
27 Jul
7 wk after
Purple-top vervain
Verbena bonariensis
17 Mar – 14 Apr
17 Apr
8-12 wk
9 Jun
12 Jun
0 wk
Cardoon
Cynara cardunculus
Greenhouse
15 Mar – 12 Apr
18 Mar
8-12 wk
7 Jun
0 wk
Regal-foxtail
Ptilotus nobilis
Greenhouse
21 Mar – 18 Apr
23 Apr
8-12 wk
13 Jun
18 Jun
1 wk after
Globe amaranth
Gomphrena globosa
Greenhouse
18 Apr – 2 May
7 May
6-8 wk
13 Jun
18 Jun
1 wk after
Corn poppy
Papaver rhoeas
7 Jun
12 Jul
0 wk
8 Jun
2 Jul
0 wk
Snapdragon
Antirrhinum majus
15 Mar – 12 Apr
7 May
8-12 wk
7 Jun
2 Jul
0 wk
17 Jun
22 Jun
1 wk after
Flossflower
Ageratum houstonianum
Fleece
11 – 25 Apr
15 May
8-10 wk
20 Jun
10 Jul
2 wk after
Sweet pea
Lathyrus odoratus
12 Apr – 3 May
28 May
5-8 wk
7 Jun
2 Jul
0 wk
Stock
Matthiola incana
12 – 26 Apr
31 May
6-8 wk
7 Jun
12 Jul
0 wk
20 Jun
2 Jul
2 wk after
Wormwood
Artemisia absinthium
12 – 26 Apr
1 May
6-8 wk
7 Jun
12 Jun
0 wk
20 Jun
2 wk after
Mexican sunflower
Tithonia rotundifolia
Greenhouse
2 – 16 May
16 May
4-6 wk
13 Jun
13 Jun
1 wk after
Garden pansy
Viola × wittrockiana
29 Mar – 12 Apr
17 May
8-10 wk
7 Jun
12 Jul
0 wk
17 Jun
2 Jul
1 wk after
Petunia
Petunia
Fleece
21 Mar – 18 Apr
5 May
8-12 wk
13 Jun
30 Jun
1 wk after
Sweet Scabious
Scabiosa atropurpurea
14 – 28 Apr
1 May
6-8 wk
9 Jun
12 Jun
0 wk
20 Jul
6 wk after
Common zinnia
Zinnia elegans
Fleece
2 – 16 May
31 May
4-6 wk
13 Jun
28 Jun
1 wk after
Common morning glory
Ipomoea purpurea
Greenhouse
9 – 23 May
7 Jun
3-5 wk
13 Jun
28 Jun
1 wk after
Garden cosmos
Cosmos bipinnatus
Fleece
2 – 16 May
3 Jun
4-6 wk
13 Jun
1 Jul
1 wk after
2 Jul
4 wk after
Scarlet milkweed
Asclepias curassavica
Fleece
16 Apr – 14 May
14 May
8-12 wk
9 Jul
9 Jul
5 wk after
Bee balm
Monarda didyma
15 Mar – 12 Apr
17 Apr
8-12 wk
7 Jun
12 Jun
0 wk
2 Jul
4 wk after
Yarrow
Achillea millefolium
12 – 26 Apr
6-8 wk
7 Jun
0 wk
20 Jun
2 wk after
Safflower
Carthamus tinctorius
7 Jun
12 Jun
0 wk
8 Jun
0 wk
Iceland poppy
Papaver nudicaule
Season too short
12 – 26 Apr
21 May
6-8 wk
7 Jun
2 Jul
0 wk
22 May
22 Jun
2 wk before
Bishop's flower
Ammi majus
26 Apr – 10 May
4 Jun
4-6 wk
7 Jun
2 Jul
0 wk
20 Jun
22 Jun
2 wk after
Drumsticks
Pycnosorus globosus
Greenhouse
21 Mar – 4 Apr
2 Apr
10-12 wk
13 Jun
1 wk after
Sunflower
Helianthus annuus
23 – 30 May
10 Jun
3-4 wk
20 Jun
1 Jul
2 wk after
2 Jul
4 wk after
China aster
Callistephus chinensis
25 Apr – 9 May
30 May
6-8 wk
20 Jun
11 Jul
2 wk after
20 Jul
6 wk after
Annual phlox
Phlox drummondii
18 Apr – 2 May
15 May
6-8 wk
13 Jun
26 Jun
1 wk after
20 Jul
6 wk after
Hollyhock
Alcea rosea
12 – 26 Apr
6-8 wk
7 Jun
0 wk
20 Jun
2 wk after
Alpine delphinium
Delphinium elatum
15 Mar – 12 Apr
17 Apr
8-12 wk
7 Jun
12 Jun
0 wk
2 Jul
4 wk after
African marigold
Tagetes erecta
Fleece
18 Apr – 2 May
29 May
6-8 wk
13 Jun
10 Jul
1 wk after
Black-eyed Susan
Rudbeckia hirta
14 – 28 Apr
20 May
6-8 wk
9 Jun
1 Jul
0 wk
20 Jul
6 wk after
Wood sage
Salvia nemorosa
29 Mar – 12 Apr
7 Apr
8-10 wk
7 Jun
0 wk
2 Jul
4 wk after
Black-eyed susan vine
Thunbergia alata
Greenhouse
4 Apr – 2 May
17 May
6-10 wk
13 Jun
28 Jun
1 wk after
California goldenpoppy
Eschscholzia californica
7 Jun
12 Jul
0 wk
8 Jun
2 Jul
0 wk
Painted tongue
Salpiglossis sinuata
Fleece
4 – 18 Apr
7 May
8-10 wk
13 Jun
2 Jul
1 wk after
Water forget-me-not
Myosotis scorpioides
12 – 26 Apr
1 May
6-8 wk
7 Jun
12 Jun
0 wk
20 Jun
2 wk after