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Method
Rel. frost
Last spring frost (0°C) 2 Jun Frost 1 of 4 years · 20 years of data
Frost-free season 129 days 2 Jun – 9 Oct
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)
14 – 28 Apr
9 Jun
5-7 wk
2 Jun
14 Jul
0 wk
3 Jun
4 Jul
0 wk
Broccoli
Brassica oleracea (Italica-gruppen)
21 Apr – 5 May
21 Jun
4-6 wk
2 Jun
19 Jul
0 wk
3 Jun
9 Jul
0 wk
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
4 Jun
5-7 wk
2 Jun
9 Jul
0 wk
2 Jun
29 Jun
0 wk
Garden cucumber
Cucumis sativus
Greenhouse
11 – 18 May
9 Jun
3-4 wk
8 Jun
30 Jun
1 wk after
Florence Fennel
Foeniculum vulgare
30 May – 6 Jun
1 Jun
4-5 wk
4 Jul
5 wk after
15 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)
Greenhouse
10 Mar – 7 Apr
25 Mar
8-12 wk
2 Jun
0 wk
2 Jun
0 wk
Onion (sets)
Allium cepa (Cepa-gruppen)
Greenhouse
24 May
9 Jun
1 wk before
24 May
30 May
1 wk before
Maize
Zea mays
Greenhouse
5 – 12 May
30 May
3-4 wk
2 Jun
20 Jun
0 wk
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
7 – 14 May
28 Jun
3-4 wk
4 Jun
19 Jul
0 wk
15 Jun
9 Jul
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
2 Jun
29 Jun
0 wk
2 Jun
19 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
14 – 28 Apr
4 Jun
5-7 wk
2 Jun
9 Jul
0 wk
2 Jun
29 Jun
0 wk
Potato
Solanum tuberosum
Fleece
22 Apr – 6 May
15 May
4-6 wk
3 Jun
12 Jun
0 wk
3 Jun
0 wk
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
14 – 28 Apr
14 Jun
5-7 wk
2 Jun
19 Jul
0 wk
3 Jun
9 Jul
0 wk
Pumpkin
Cucurbita pepo
Fleece
18 – 25 May
14 Jun
3-4 wk
15 Jun
5 Jul
2 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
7 – 14 May
10 May
3-4 wk
4 Jun
0 wk
15 Jun
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
21 Apr – 5 May
16 Jun
4-6 wk
2 Jun
14 Jul
0 wk
Lettuce
Lactuca sativa
5 – 12 May
3 Jul
3-4 wk
2 Jun
24 Jul
0 wk
3 Jun
14 Jul
0 wk
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
21 Apr – 5 May
16 Jun
4-6 wk
2 Jun
14 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
Greenhouse
19 Apr – 3 May
26 May
2-4 wk
17 May
9 Jun
2 wk before
17 May
30 May
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
Greenhouse
24 May
9 Jun
1 wk before
24 May
30 May
1 wk before
Spinach
Spinacia oleracea
5 – 12 May
18 Jul
3-4 wk
2 Jun
8 Aug
0 wk
30 May
29 Jul
0 wk
Sweet potato
Ipomoea batatas
27 Jun – 11 Jul
4-6 wk
8 Aug
10 wk after
Garden tomato
Solanum lycopersicum
Greenhouse
7 – 21 Apr
9 May
6-8 wk
2 Jun
20 Jun
0 wk
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Fleece
11 – 25 May
16 Jun
2-4 wk
8 Jun
30 Jun
1 wk after
27 Jun
4 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
21 Apr – 5 May
16 Jun
4-6 wk
2 Jun
14 Jul
0 wk
Garden pea
Pisum sativum
5 – 12 May
18 Jun
3-4 wk
2 Jun
9 Jul
0 wk
3 Jun
29 Jun
0 wk

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
23 May
4-6 wk
15 Jun
20 Jun
2 wk after
Lemon balm
Melissa officinalis
24 Mar – 7 Apr
14 May
8-10 wk
2 Jun
9 Jul
0 wk
27 Jun
29 Jun
4 wk after
Dill
Anethum graveolens
3 Jun
19 Jul
0 wk
Wild chives
Allium schoenoprasum
7 – 21 Apr
28 May
6-8 wk
2 Jun
9 Jul
0 wk
3 Jun
29 Jun
0 wk
Spearmint
Mentha spicata
10 Mar – 7 Apr
14 May
8-12 wk
2 Jun
9 Jul
0 wk
27 Jun
29 Jun
4 wk after
Coriander
Coriandrum sativum
2 Jun
8 Aug
0 wk
15 Jun
29 Jul
2 wk after
Garden sage
Salvia officinalis
26 Mar – 9 Apr
29 Apr
8-10 wk
4 Jun
24 Jun
0 wk
Common thyme
Thymus vulgaris
24 Mar – 7 Apr
4 May
8-10 wk
2 Jun
29 Jun
0 wk
Oregano
Origanum vulgare
7 – 21 Apr
18 May
6-8 wk
2 Jun
29 Jun
0 wk
27 Jun
4 wk after
Parsley
Petroselinum crispum
7 – 21 Apr
18 May
6-8 wk
2 Jun
29 Jun
0 wk
3 Jun
19 Jun
0 wk
Rosemary
Salvia rosmarinus
26 Feb – 26 Mar
31 Mar
10-14 wk
4 Jun
9 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
30 May
3-4 wk
15 Jun
20 Jun
2 wk after
Cornflower
Centaurea cyanus
2 Jun
9 Jul
0 wk
3 Jun
29 Jun
0 wk
Statice
Limonium sinuatum
Fleece
30 Mar – 13 Apr
4 May
8-10 wk
8 Jun
29 Jun
1 wk after
Sweet William
Dianthus barbatus
7 – 21 Apr
6-8 wk
2 Jun
0 wk
12 Jun
1 wk after
Snow-on-the-mountain
Euphorbia marginata
Fleece
13 – 27 Apr
18 May
6-8 wk
8 Jun
29 Jun
1 wk after
22 Jul
7 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
Fleece
20 Apr – 18 May
1 Jun
4-8 wk
15 Jun
29 Jun
2 wk after
15 Jun
19 Jun
2 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
10 Jun
8-12 wk
4 Jul
5 Aug
5 wk after
Creeping zinnia
Sanvitalia procumbens
20 Apr – 4 May
16 May
6-8 wk
15 Jun
27 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
14 Apr
8-10 wk
4 Jun
9 Jun
0 wk
Love in a mist
Nigella damascena
2 Jun
24 Jun
0 wk
3 Jun
14 Jun
0 wk
Strawflower
Xerochrysum bracteatum
Fleece
13 – 27 Apr
8 May
6-8 wk
8 Jun
19 Jun
1 wk after
22 Jul
7 wk after
Purple-top vervain
Verbena bonariensis
12 Mar – 9 Apr
14 Apr
8-12 wk
4 Jun
9 Jun
0 wk
Cardoon
Cynara cardunculus
Fleece
16 Mar – 13 Apr
8-12 wk
8 Jun
1 wk after
Regal-foxtail
Ptilotus nobilis
Greenhouse
16 Mar – 13 Apr
1 May
8-12 wk
8 Jun
26 Jun
1 wk after
Globe amaranth
Gomphrena globosa
Greenhouse
13 – 27 Apr
15 May
6-8 wk
8 Jun
26 Jun
1 wk after
Corn poppy
Papaver rhoeas
2 Jun
9 Jul
0 wk
3 Jun
29 Jun
0 wk
Snapdragon
Antirrhinum majus
10 Mar – 7 Apr
4 May
8-12 wk
2 Jun
29 Jun
0 wk
12 Jun
19 Jun
1 wk after
Flossflower
Ageratum houstonianum
Fleece
6 – 20 Apr
14 May
8-10 wk
15 Jun
9 Jul
2 wk after
Sweet pea
Lathyrus odoratus
7 – 28 Apr
25 May
5-8 wk
2 Jun
29 Jun
0 wk
Stock
Matthiola incana
7 – 21 Apr
28 May
6-8 wk
2 Jun
9 Jul
0 wk
15 Jun
29 Jun
2 wk after
Wormwood
Artemisia absinthium
7 – 21 Apr
28 Apr
6-8 wk
2 Jun
9 Jun
0 wk
15 Jun
2 wk after
Mexican sunflower
Tithonia rotundifolia
Greenhouse
27 Apr – 11 May
24 May
4-6 wk
8 Jun
21 Jun
1 wk after
Garden pansy
Viola × wittrockiana
24 Mar – 7 Apr
14 May
8-10 wk
2 Jun
9 Jul
0 wk
12 Jun
29 Jun
1 wk after
Petunia
Petunia
Fleece
16 Mar – 13 Apr
4 May
8-12 wk
8 Jun
29 Jun
1 wk after
Sweet Scabious
Scabiosa atropurpurea
9 – 23 Apr
28 Apr
6-8 wk
4 Jun
9 Jun
0 wk
15 Jul
6 wk after
Common zinnia
Zinnia elegans
4 – 18 May
23 May
4-6 wk
15 Jun
20 Jun
2 wk after
Common morning glory
Ipomoea purpurea
Fleece
11 – 25 May
30 May
3-5 wk
15 Jun
20 Jun
2 wk after
Garden cosmos
Cosmos bipinnatus
4 – 18 May
29 May
4-6 wk
15 Jun
26 Jun
2 wk after
15 Jul
6 wk after
Scarlet milkweed
Asclepias curassavica
Fleece
11 Apr – 9 May
15 May
8-12 wk
4 Jul
10 Jul
5 wk after
Bee balm
Monarda didyma
10 Mar – 7 Apr
14 Apr
8-12 wk
2 Jun
9 Jun
0 wk
27 Jun
4 wk after
Yarrow
Achillea millefolium
7 – 21 Apr
6-8 wk
2 Jun
0 wk
15 Jun
2 wk after
Safflower
Carthamus tinctorius
2 Jun
9 Jun
0 wk
3 Jun
0 wk
Iceland poppy
Papaver nudicaule
Season too short
7 – 21 Apr
18 May
6-8 wk
2 Jun
29 Jun
0 wk
17 May
19 Jun
2 wk before
Bishop's flower
Ammi majus
21 Apr – 5 May
1 Jun
4-6 wk
2 Jun
29 Jun
0 wk
15 Jun
19 Jun
2 wk after
Drumsticks
Pycnosorus globosus
Greenhouse
16 – 30 Mar
31 Mar
10-12 wk
8 Jun
9 Jun
1 wk after
Sunflower
Helianthus annuus
18 – 25 May
8 Jun
3-4 wk
15 Jun
29 Jun
2 wk after
27 Jun
4 wk after
China aster
Callistephus chinensis
20 Apr – 4 May
28 May
6-8 wk
15 Jun
9 Jul
2 wk after
15 Jul
6 wk after
Annual phlox
Phlox drummondii
13 – 27 Apr
16 May
6-8 wk
8 Jun
27 Jun
1 wk after
15 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
14 Apr
8-12 wk
2 Jun
9 Jun
0 wk
27 Jun
4 wk after
African marigold
Tagetes erecta
20 Apr – 4 May
16 May
6-8 wk
15 Jun
27 Jun
2 wk after
Black-eyed Susan
Rudbeckia hirta
9 – 23 Apr
18 May
6-8 wk
4 Jun
29 Jun
0 wk
15 Jul
6 wk after
Wood sage
Salvia nemorosa
24 Mar – 7 Apr
4 Apr
8-10 wk
2 Jun
0 wk
27 Jun
4 wk after
Black-eyed susan vine
Thunbergia alata
Fleece
6 Apr – 4 May
9 May
6-10 wk
15 Jun
20 Jun
2 wk after
California goldenpoppy
Eschscholzia californica
2 Jun
9 Jul
0 wk
3 Jun
29 Jun
0 wk
Painted tongue
Salpiglossis sinuata
6 – 20 Apr
4 May
8-10 wk
15 Jun
29 Jun
2 wk after
Water forget-me-not
Myosotis scorpioides
7 – 21 Apr
28 Apr
6-8 wk
2 Jun
9 Jun
0 wk
15 Jun
2 wk after