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Method
Rel. frost
Last spring frost (0°C) 5 Jun Frost 1 of 10 years · 20 years of data
Frost-free season 135 days 5 Jun – 18 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)
17 Apr – 1 May
9 Jun
5-7 wk
5 Jun
14 Jul
0 wk
6 Jun
4 Jul
0 wk
Broccoli
Brassica oleracea (Italica-gruppen)
24 Apr – 8 May
21 Jun
4-6 wk
5 Jun
19 Jul
0 wk
6 Jun
9 Jul
0 wk
Chili pepper
Capsicum annuum
Season too short
19 Mar – 16 Apr
8-12 wk
11 Jun
1 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
17 Apr – 1 May
4 Jun
5-7 wk
5 Jun
9 Jul
0 wk
5 Jun
29 Jun
0 wk
Garden cucumber
Cucumis sativus
Greenhouse
14 – 21 May
15 May
3-4 wk
11 Jun
1 wk after
Florence Fennel
Foeniculum vulgare
2 – 9 Jun
4-5 wk
7 Jul
5 wk after
18 Jul
6 wk after
Butter bean
Phaseolus lunatus
Season too short
16 – 23 Jun
3-4 wk
14 Jul
6 wk after
Onion
Allium cepa (Cepa-gruppen)
Greenhouse
13 Mar – 10 Apr
25 Mar
8-12 wk
5 Jun
0 wk
5 Jun
0 wk
Onion (sets)
Allium cepa (Cepa-gruppen)
Greenhouse
27 May
9 Jun
1 wk before
27 May
30 May
1 wk before
Maize
Zea mays
Greenhouse
8 – 15 May
3-4 wk
5 Jun
0 wk
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
10 – 17 May
28 Jun
3-4 wk
7 Jun
19 Jul
0 wk
18 Jun
9 Jul
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
5 Jun
29 Jun
0 wk
5 Jun
19 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
17 Apr – 1 May
4 Jun
5-7 wk
5 Jun
9 Jul
0 wk
5 Jun
29 Jun
0 wk
Potato
Solanum tuberosum
Fleece
25 Apr – 9 May
20 May
4-6 wk
6 Jun
17 Jun
0 wk
6 Jun
7 Jun
0 wk
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
17 Apr – 1 May
14 Jun
5-7 wk
5 Jun
19 Jul
0 wk
6 Jun
9 Jul
0 wk
Pumpkin
Cucurbita pepo
Greenhouse
14 – 21 May
14 Jun
3-4 wk
11 Jun
5 Jul
1 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
10 – 17 May
12 May
3-4 wk
7 Jun
0 wk
18 Jun
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
24 Apr – 8 May
16 Jun
4-6 wk
5 Jun
14 Jul
0 wk
Lettuce
Lactuca sativa
8 – 15 May
3 Jul
3-4 wk
5 Jun
24 Jul
0 wk
6 Jun
14 Jul
0 wk
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
24 Apr – 8 May
16 Jun
4-6 wk
5 Jun
14 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
Greenhouse
22 Apr – 6 May
26 May
2-4 wk
20 May
9 Jun
2 wk before
20 May
30 May
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
Greenhouse
27 May
9 Jun
1 wk before
27 May
30 May
1 wk before
Spinach
Spinacia oleracea
8 – 15 May
18 Jul
3-4 wk
5 Jun
8 Aug
0 wk
2 Jun
29 Jul
0 wk
Sweet potato
Ipomoea batatas
30 Jun – 14 Jul
4-6 wk
11 Aug
10 wk after
Garden tomato
Solanum lycopersicum
Greenhouse
10 – 24 Apr
14 Apr
6-8 wk
5 Jun
0 wk
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Fleece
14 – 28 May
22 May
2-4 wk
11 Jun
1 wk after
30 Jun
4 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
24 Apr – 8 May
16 Jun
4-6 wk
5 Jun
14 Jul
0 wk
Garden pea
Pisum sativum
8 – 15 May
18 Jun
3-4 wk
5 Jun
9 Jul
0 wk
6 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
Greenhouse
30 Apr – 14 May
23 May
4-6 wk
11 Jun
20 Jun
1 wk after
Lemon balm
Melissa officinalis
27 Mar – 10 Apr
14 May
8-10 wk
5 Jun
9 Jul
0 wk
30 Jun
4 wk after
Dill
Anethum graveolens
6 Jun
19 Jul
0 wk
Wild chives
Allium schoenoprasum
10 – 24 Apr
28 May
6-8 wk
5 Jun
9 Jul
0 wk
6 Jun
29 Jun
0 wk
Spearmint
Mentha spicata
13 Mar – 10 Apr
14 May
8-12 wk
5 Jun
9 Jul
0 wk
30 Jun
4 wk after
Coriander
Coriandrum sativum
5 Jun
8 Aug
0 wk
18 Jun
29 Jul
2 wk after
Garden sage
Salvia officinalis
29 Mar – 12 Apr
29 Apr
8-10 wk
7 Jun
24 Jun
0 wk
Common thyme
Thymus vulgaris
27 Mar – 10 Apr
4 May
8-10 wk
5 Jun
29 Jun
0 wk
Oregano
Origanum vulgare
10 – 24 Apr
18 May
6-8 wk
5 Jun
29 Jun
0 wk
30 Jun
4 wk after
Parsley
Petroselinum crispum
10 – 24 Apr
18 May
6-8 wk
5 Jun
29 Jun
0 wk
6 Jun
19 Jun
0 wk
Rosemary
Salvia rosmarinus
1 – 29 Mar
31 Mar
10-14 wk
7 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
Greenhouse
14 – 21 May
30 May
3-4 wk
11 Jun
20 Jun
1 wk after
Cornflower
Centaurea cyanus
5 Jun
9 Jul
0 wk
6 Jun
29 Jun
0 wk
Statice
Limonium sinuatum
Fleece
2 – 16 Apr
29 Apr
8-10 wk
11 Jun
24 Jun
1 wk after
Sweet William
Dianthus barbatus
10 – 24 Apr
6-8 wk
5 Jun
0 wk
15 Jun
1 wk after
Snow-on-the-mountain
Euphorbia marginata
Fleece
16 – 30 Apr
13 May
6-8 wk
11 Jun
24 Jun
1 wk after
25 Jul
7 wk after
Pinnate dahlia
Dahlia × pinnata
21 Apr – 5 May
29 Apr
6-8 wk
16 Jun
2 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
Greenhouse
16 Apr – 14 May
1 Jun
4-8 wk
11 Jun
29 Jun
1 wk after
11 Jun
19 Jun
1 wk after
Foxglove
Digitalis purpurea
27 Mar – 10 Apr
8-10 wk
5 Jun
0 wk
18 Jun
2 wk after
Busy lizzie
Impatiens walleriana
14 Apr – 12 May
16 May
8-12 wk
7 Jul
11 Jul
5 wk after
Creeping zinnia
Sanvitalia procumbens
Fleece
16 – 30 Apr
23 May
6-8 wk
11 Jun
4 Jul
1 wk after
Hyacinth bean
Dolichos lablab
Season too short
7 – 21 May
4-6 wk
18 Jun
2 wk after
Chinese lantern
Physalis alkekengi
29 Mar – 12 Apr
14 Apr
8-10 wk
7 Jun
9 Jun
0 wk
Love in a mist
Nigella damascena
5 Jun
24 Jun
0 wk
6 Jun
14 Jun
0 wk
Strawflower
Xerochrysum bracteatum
Fleece
16 – 30 Apr
3 May
6-8 wk
11 Jun
14 Jun
1 wk after
25 Jul
7 wk after
Purple-top vervain
Verbena bonariensis
15 Mar – 12 Apr
14 Apr
8-12 wk
7 Jun
9 Jun
0 wk
Cardoon
Cynara cardunculus
Fleece
19 Mar – 16 Apr
8-12 wk
11 Jun
1 wk after
Regal-foxtail
Ptilotus nobilis
Greenhouse
19 Mar – 16 Apr
15 Apr
8-12 wk
11 Jun
1 wk after
Globe amaranth
Gomphrena globosa
Greenhouse
16 – 30 Apr
29 Apr
6-8 wk
11 Jun
1 wk after
Corn poppy
Papaver rhoeas
5 Jun
9 Jul
0 wk
6 Jun
29 Jun
0 wk
Snapdragon
Antirrhinum majus
13 Mar – 10 Apr
4 May
8-12 wk
5 Jun
29 Jun
0 wk
15 Jun
19 Jun
1 wk after
Flossflower
Ageratum houstonianum
Fleece
9 – 23 Apr
9 May
8-10 wk
18 Jun
4 Jul
2 wk after
Sweet pea
Lathyrus odoratus
10 Apr – 1 May
25 May
5-8 wk
5 Jun
29 Jun
0 wk
Stock
Matthiola incana
10 – 24 Apr
28 May
6-8 wk
5 Jun
9 Jul
0 wk
18 Jun
29 Jun
2 wk after
Wormwood
Artemisia absinthium
10 – 24 Apr
28 Apr
6-8 wk
5 Jun
9 Jun
0 wk
18 Jun
2 wk after
Mexican sunflower
Tithonia rotundifolia
Greenhouse
30 Apr – 14 May
8 May
4-6 wk
11 Jun
1 wk after
Garden pansy
Viola × wittrockiana
27 Mar – 10 Apr
14 May
8-10 wk
5 Jun
9 Jul
0 wk
15 Jun
29 Jun
1 wk after
Petunia
Petunia
Fleece
19 Mar – 16 Apr
29 Apr
8-12 wk
11 Jun
24 Jun
1 wk after
Sweet Scabious
Scabiosa atropurpurea
12 – 26 Apr
28 Apr
6-8 wk
7 Jun
9 Jun
0 wk
18 Jul
6 wk after
Common zinnia
Zinnia elegans
Fleece
30 Apr – 14 May
23 May
4-6 wk
11 Jun
20 Jun
1 wk after
Common morning glory
Ipomoea purpurea
Greenhouse
7 – 21 May
30 May
3-5 wk
11 Jun
20 Jun
1 wk after
Garden cosmos
Cosmos bipinnatus
Fleece
30 Apr – 14 May
1 Jun
4-6 wk
11 Jun
29 Jun
1 wk after
30 Jun
4 wk after
Scarlet milkweed
Asclepias curassavica
Greenhouse
26 Mar – 23 Apr
15 May
8-12 wk
18 Jun
10 Jul
2 wk after
Bee balm
Monarda didyma
13 Mar – 10 Apr
14 Apr
8-12 wk
5 Jun
9 Jun
0 wk
30 Jun
4 wk after
Yarrow
Achillea millefolium
10 – 24 Apr
6-8 wk
5 Jun
0 wk
18 Jun
2 wk after
Safflower
Carthamus tinctorius
5 Jun
9 Jun
0 wk
6 Jun
0 wk
Iceland poppy
Papaver nudicaule
Season too short
10 – 24 Apr
18 May
6-8 wk
5 Jun
29 Jun
0 wk
20 May
19 Jun
2 wk before
Bishop's flower
Ammi majus
24 Apr – 8 May
1 Jun
4-6 wk
5 Jun
29 Jun
0 wk
18 Jun
19 Jun
2 wk after
Drumsticks
Pycnosorus globosus
Greenhouse
19 Mar – 2 Apr
31 Mar
10-12 wk
11 Jun
1 wk after
Sunflower
Helianthus annuus
21 – 28 May
8 Jun
3-4 wk
18 Jun
29 Jun
2 wk after
30 Jun
4 wk after
China aster
Callistephus chinensis
23 Apr – 7 May
28 May
6-8 wk
18 Jun
9 Jul
2 wk after
18 Jul
6 wk after
Annual phlox
Phlox drummondii
16 – 30 Apr
25 Apr
6-8 wk
11 Jun
1 wk after
18 Jul
6 wk after
Hollyhock
Alcea rosea
10 – 24 Apr
6-8 wk
5 Jun
0 wk
18 Jun
2 wk after
Alpine delphinium
Delphinium elatum
13 Mar – 10 Apr
14 Apr
8-12 wk
5 Jun
9 Jun
0 wk
30 Jun
4 wk after
African marigold
Tagetes erecta
Fleece
16 – 30 Apr
23 May
6-8 wk
11 Jun
4 Jul
1 wk after
Black-eyed Susan
Rudbeckia hirta
12 – 26 Apr
18 May
6-8 wk
7 Jun
29 Jun
0 wk
18 Jul
6 wk after
Wood sage
Salvia nemorosa
27 Mar – 10 Apr
4 Apr
8-10 wk
5 Jun
0 wk
30 Jun
4 wk after
Black-eyed susan vine
Thunbergia alata
Greenhouse
2 – 30 Apr
9 May
6-10 wk
11 Jun
20 Jun
1 wk after
California goldenpoppy
Eschscholzia californica
5 Jun
9 Jul
0 wk
6 Jun
29 Jun
0 wk
Painted tongue
Salpiglossis sinuata
9 – 23 Apr
4 May
8-10 wk
18 Jun
29 Jun
2 wk after
Water forget-me-not
Myosotis scorpioides
10 – 24 Apr
28 Apr
6-8 wk
5 Jun
9 Jun
0 wk
18 Jun
2 wk after