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Method
Rel. frost
Last spring frost (0°C) 31 May Frost 1 of 4 years · 20 years of data
Frost-free season 111 days 31 May – 19 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)
12 – 26 Apr
10 Jun
5-7 wk
31 May
15 Jul
0 wk
1 Jun
5 Jul
0 wk
Broccoli
Brassica oleracea (Italica-gruppen)
19 Apr – 3 May
22 Jun
4-6 wk
31 May
20 Jul
0 wk
1 Jun
10 Jul
0 wk
Chili pepper
Capsicum annuum
Season too short
14 Mar – 11 Apr
22 Mar
8-12 wk
6 Jun
1 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
12 – 26 Apr
5 Jun
5-7 wk
31 May
10 Jul
0 wk
31 May
30 Jun
0 wk
Garden cucumber
Cucumis sativus
Greenhouse
9 – 16 May
9 Jun
3-4 wk
6 Jun
30 Jun
1 wk after
Florence Fennel
Foeniculum vulgare
Fleece
9 – 16 May
2 Jun
4-5 wk
13 Jun
30 Jun
2 wk after
25 Jun
4 wk after
Butter bean
Phaseolus lunatus
Season too short
11 – 18 Jun
3-4 wk
9 Jul
6 wk after
Onion
Allium cepa (Cepa-gruppen)
Greenhouse
8 Mar – 5 Apr
26 Mar
8-12 wk
31 May
0 wk
31 May
0 wk
Onion (sets)
Allium cepa (Cepa-gruppen)
Fleece
28 May
1 Jun
0 wk
28 May
0 wk
Maize
Zea mays
Fleece
9 – 16 May
3-4 wk
6 Jun
1 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
5 – 12 May
29 Jun
3-4 wk
2 Jun
20 Jul
0 wk
13 Jun
10 Jul
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
31 May
30 Jun
0 wk
31 May
20 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
12 – 26 Apr
5 Jun
5-7 wk
31 May
10 Jul
0 wk
31 May
30 Jun
0 wk
Potato
Solanum tuberosum
Fleece
20 Apr – 4 May
18 May
4-6 wk
1 Jun
15 Jun
0 wk
1 Jun
5 Jun
0 wk
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
12 – 26 Apr
15 Jun
5-7 wk
31 May
20 Jul
0 wk
1 Jun
10 Jul
0 wk
Pumpkin
Cucurbita pepo
Fleece
16 – 23 May
14 Jun
3-4 wk
13 Jun
5 Jul
2 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
5 – 12 May
14 May
3-4 wk
2 Jun
4 Jun
0 wk
13 Jun
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
19 Apr – 3 May
17 Jun
4-6 wk
31 May
15 Jul
0 wk
Lettuce
Lactuca sativa
3 – 10 May
4 Jul
3-4 wk
31 May
25 Jul
0 wk
1 Jun
15 Jul
0 wk
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
19 Apr – 3 May
17 Jun
4-6 wk
31 May
15 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
3 – 17 May
14 May
2-4 wk
31 May
0 wk
31 May
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
Fleece
28 May
1 Jun
0 wk
28 May
0 wk
Spinach
Spinacia oleracea
3 – 10 May
19 Jul
3-4 wk
31 May
9 Aug
0 wk
28 May
30 Jul
0 wk
Sweet potato
Ipomoea batatas
25 Jun – 9 Jul
4-6 wk
6 Aug
10 wk after
Garden tomato
Solanum lycopersicum
Fleece
11 – 25 Apr
15 Apr
6-8 wk
6 Jun
1 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Fleece
9 – 23 May
16 Jun
2-4 wk
6 Jun
30 Jun
1 wk after
25 Jun
4 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
19 Apr – 3 May
17 Jun
4-6 wk
31 May
15 Jul
0 wk
Garden pea
Pisum sativum
3 – 10 May
19 Jun
3-4 wk
31 May
10 Jul
0 wk
1 Jun
30 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
2 – 16 May
23 May
4-6 wk
13 Jun
20 Jun
2 wk after
Lemon balm
Melissa officinalis
22 Mar – 5 Apr
15 May
8-10 wk
31 May
10 Jul
0 wk
25 Jun
30 Jun
4 wk after
Dill
Anethum graveolens
1 Jun
20 Jul
0 wk
Wild chives
Allium schoenoprasum
5 – 19 Apr
29 May
6-8 wk
31 May
10 Jul
0 wk
1 Jun
30 Jun
0 wk
Spearmint
Mentha spicata
8 Mar – 5 Apr
15 May
8-12 wk
31 May
10 Jul
0 wk
25 Jun
30 Jun
4 wk after
Coriander
Coriandrum sativum
31 May
9 Aug
0 wk
13 Jun
30 Jul
2 wk after
Garden sage
Salvia officinalis
24 Mar – 7 Apr
30 Apr
8-10 wk
2 Jun
25 Jun
0 wk
Common thyme
Thymus vulgaris
22 Mar – 5 Apr
5 May
8-10 wk
31 May
30 Jun
0 wk
Oregano
Origanum vulgare
5 – 19 Apr
19 May
6-8 wk
31 May
30 Jun
0 wk
25 Jun
4 wk after
Parsley
Petroselinum crispum
5 – 19 Apr
19 May
6-8 wk
31 May
30 Jun
0 wk
1 Jun
20 Jun
0 wk
Rosemary
Salvia rosmarinus
24 Feb – 24 Mar
1 Apr
10-14 wk
2 Jun
10 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
16 – 23 May
30 May
3-4 wk
13 Jun
20 Jun
2 wk after
Cornflower
Centaurea cyanus
31 May
10 Jul
0 wk
1 Jun
30 Jun
0 wk
Statice
Limonium sinuatum
4 – 18 Apr
19 Apr
8-10 wk
13 Jun
14 Jun
2 wk after
Sweet William
Dianthus barbatus
5 – 19 Apr
6-8 wk
31 May
0 wk
10 Jun
1 wk after
Snow-on-the-mountain
Euphorbia marginata
18 Apr – 2 May
3 May
6-8 wk
13 Jun
14 Jun
2 wk after
6 Aug
10 wk after
Pinnate dahlia
Dahlia × pinnata
16 – 30 Apr
6 May
6-8 wk
11 Jun
17 Jun
2 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
Fleece
18 Apr – 16 May
30 May
4-8 wk
13 Jun
27 Jun
2 wk after
13 Jun
17 Jun
2 wk after
Foxglove
Digitalis purpurea
22 Mar – 5 Apr
8-10 wk
31 May
0 wk
13 Jun
2 wk after
Busy lizzie
Impatiens walleriana
9 Apr – 7 May
10 Jun
8-12 wk
2 Jul
5 Aug
5 wk after
Creeping zinnia
Sanvitalia procumbens
18 Apr – 2 May
13 May
6-8 wk
13 Jun
24 Jun
2 wk after
Hyacinth bean
Dolichos lablab
Season too short
2 – 16 May
4-6 wk
13 Jun
2 wk after
Chinese lantern
Physalis alkekengi
24 Mar – 7 Apr
15 Apr
8-10 wk
2 Jun
10 Jun
0 wk
Love in a mist
Nigella damascena
31 May
25 Jun
0 wk
1 Jun
15 Jun
0 wk
Strawflower
Xerochrysum bracteatum
Fleece
11 – 25 Apr
30 Apr
6-8 wk
6 Jun
11 Jun
1 wk after
20 Jul
7 wk after
Purple-top vervain
Verbena bonariensis
10 Mar – 7 Apr
15 Apr
8-12 wk
2 Jun
10 Jun
0 wk
Cardoon
Cynara cardunculus
Greenhouse
8 Mar – 5 Apr
16 Mar
8-12 wk
31 May
0 wk
Regal-foxtail
Ptilotus nobilis
Fleece
21 Mar – 18 Apr
15 Apr
8-12 wk
13 Jun
2 wk after
Globe amaranth
Gomphrena globosa
Fleece
18 Apr – 2 May
29 Apr
6-8 wk
13 Jun
2 wk after
Corn poppy
Papaver rhoeas
31 May
10 Jul
0 wk
1 Jun
30 Jun
0 wk
Snapdragon
Antirrhinum majus
8 Mar – 5 Apr
5 May
8-12 wk
31 May
30 Jun
0 wk
10 Jun
20 Jun
1 wk after
Flossflower
Ageratum houstonianum
Fleece
4 – 18 Apr
6 May
8-10 wk
13 Jun
1 Jul
2 wk after
Sweet pea
Lathyrus odoratus
5 – 26 Apr
26 May
5-8 wk
31 May
30 Jun
0 wk
Stock
Matthiola incana
5 – 19 Apr
29 May
6-8 wk
31 May
10 Jul
0 wk
13 Jun
30 Jun
2 wk after
Wormwood
Artemisia absinthium
5 – 19 Apr
29 Apr
6-8 wk
31 May
10 Jun
0 wk
13 Jun
2 wk after
Mexican sunflower
Tithonia rotundifolia
Greenhouse
25 Apr – 9 May
15 May
4-6 wk
6 Jun
12 Jun
1 wk after
Garden pansy
Viola × wittrockiana
22 Mar – 5 Apr
15 May
8-10 wk
31 May
10 Jul
0 wk
10 Jun
30 Jun
1 wk after
Petunia
Petunia
21 Mar – 18 Apr
19 Apr
8-12 wk
13 Jun
14 Jun
2 wk after
Sweet Scabious
Scabiosa atropurpurea
7 – 21 Apr
29 Apr
6-8 wk
2 Jun
10 Jun
0 wk
13 Jul
6 wk after
Common zinnia
Zinnia elegans
2 – 16 May
23 May
4-6 wk
13 Jun
20 Jun
2 wk after
Common morning glory
Ipomoea purpurea
Fleece
9 – 23 May
30 May
3-5 wk
13 Jun
20 Jun
2 wk after
Garden cosmos
Cosmos bipinnatus
2 – 16 May
20 May
4-6 wk
13 Jun
17 Jun
2 wk after
13 Jul
6 wk after
Scarlet milkweed
Asclepias curassavica
Greenhouse
21 Mar – 18 Apr
22 May
8-12 wk
13 Jun
17 Jul
2 wk after
Bee balm
Monarda didyma
8 Mar – 5 Apr
15 Apr
8-12 wk
31 May
10 Jun
0 wk
25 Jun
4 wk after
Yarrow
Achillea millefolium
5 – 19 Apr
6-8 wk
31 May
0 wk
13 Jun
2 wk after
Safflower
Carthamus tinctorius
31 May
10 Jun
0 wk
1 Jun
0 wk
Iceland poppy
Papaver nudicaule
Season too short
5 – 19 Apr
19 May
6-8 wk
31 May
30 Jun
0 wk
15 May
20 Jun
2 wk before
Bishop's flower
Ammi majus
19 Apr – 3 May
2 Jun
4-6 wk
31 May
30 Jun
0 wk
13 Jun
20 Jun
2 wk after
Drumsticks
Pycnosorus globosus
Greenhouse
14 – 28 Mar
29 Mar
10-12 wk
6 Jun
7 Jun
1 wk after
Sunflower
Helianthus annuus
16 – 23 May
9 Jun
3-4 wk
13 Jun
30 Jun
2 wk after
25 Jun
4 wk after
China aster
Callistephus chinensis
18 Apr – 2 May
29 May
6-8 wk
13 Jun
10 Jul
2 wk after
13 Jul
6 wk after
Annual phlox
Phlox drummondii
11 – 25 Apr
13 May
6-8 wk
6 Jun
24 Jun
1 wk after
13 Jul
6 wk after
Hollyhock
Alcea rosea
5 – 19 Apr
6-8 wk
31 May
0 wk
13 Jun
2 wk after
Alpine delphinium
Delphinium elatum
8 Mar – 5 Apr
15 Apr
8-12 wk
31 May
10 Jun
0 wk
25 Jun
4 wk after
African marigold
Tagetes erecta
18 Apr – 2 May
13 May
6-8 wk
13 Jun
24 Jun
2 wk after
Black-eyed Susan
Rudbeckia hirta
7 – 21 Apr
19 May
6-8 wk
2 Jun
30 Jun
0 wk
13 Jul
6 wk after
Wood sage
Salvia nemorosa
22 Mar – 5 Apr
5 Apr
8-10 wk
31 May
31 May
0 wk
25 Jun
4 wk after
Black-eyed susan vine
Thunbergia alata
Fleece
4 Apr – 2 May
9 May
6-10 wk
13 Jun
20 Jun
2 wk after
California goldenpoppy
Eschscholzia californica
31 May
10 Jul
0 wk
1 Jun
30 Jun
0 wk
Painted tongue
Salpiglossis sinuata
4 – 18 Apr
27 Apr
8-10 wk
13 Jun
22 Jun
2 wk after
Water forget-me-not
Myosotis scorpioides
5 – 19 Apr
29 Apr
6-8 wk
31 May
10 Jun
0 wk
13 Jun
2 wk after