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Method
Rel. frost
Last spring frost (0°C) 6 Jun Frost 9 of 10 years · 20 years of data
Frost-free season 44 days 6 Jun – 20 Jul
Probability that frost is over

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