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Method
Rel. frost
Last spring frost (0°C) 27 May Frost 1 of 4 years · 20 years of data
Frost-free season 126 days 27 May – 30 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)
8 – 22 Apr
15 Jun
5-7 wk
27 May
20 Jul
0 wk
31 May
10 Jul
1 wk after
Broccoli
Brassica oleracea (Italica-gruppen)
15 – 29 Apr
27 Jun
4-6 wk
27 May
25 Jul
0 wk
31 May
15 Jul
1 wk after
Chili pepper
Capsicum annuum
Greenhouse
19 Mar – 16 Apr
21 Apr
8-12 wk
11 Jun
16 Jun
2 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
8 – 22 Apr
10 Jun
5-7 wk
27 May
15 Jul
0 wk
27 May
5 Jul
0 wk
Garden cucumber
Cucumis sativus
11 – 18 Jun
3-4 wk
9 Jul
6 wk after
Florence Fennel
Foeniculum vulgare
4 – 11 Jun
4-5 wk
9 Jul
6 wk after
15 Jul
7 wk after
Butter bean
Phaseolus lunatus
Greenhouse
16 – 23 Jun
3-4 wk
14 Jul
7 wk after
Onion
Allium cepa (Cepa-gruppen)
4 Mar – 1 Apr
31 Mar
8-12 wk
27 May
0 wk
17 Jun
3 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
31 May
15 Jun
1 wk after
31 May
5 Jun
1 wk after
Maize
Zea mays
26 May – 2 Jun
3-4 wk
23 Jun
4 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
7 – 14 May
4 Jul
3-4 wk
4 Jun
25 Jul
1 wk after
17 Jun
15 Jul
3 wk after
Carrot
Daucus carota subsp. sativus var. sativus
27 May
5 Jul
0 wk
27 May
25 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
8 – 22 Apr
10 Jun
5-7 wk
27 May
15 Jul
0 wk
27 May
5 Jul
0 wk
Potato
Solanum tuberosum
1 – 15 May
1 Jun
4-6 wk
12 Jun
29 Jun
2 wk after
12 Jun
19 Jun
2 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
8 – 22 Apr
20 Jun
5-7 wk
27 May
25 Jul
0 wk
31 May
15 Jul
1 wk after
Pumpkin
Cucurbita pepo
11 – 18 Jun
20 Jun
3-4 wk
9 Jul
11 Jul
6 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
7 – 14 May
10 Jun
3-4 wk
4 Jun
1 Jul
1 wk after
17 Jun
21 Jun
3 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
15 – 29 Apr
22 Jun
4-6 wk
27 May
20 Jul
0 wk
Lettuce
Lactuca sativa
29 Apr – 6 May
9 Jul
3-4 wk
27 May
30 Jul
0 wk
31 May
20 Jul
1 wk after
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
15 – 29 Apr
22 Jun
4-6 wk
27 May
20 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
29 Apr – 13 May
1 Jun
2-4 wk
27 May
15 Jun
0 wk
27 May
5 Jun
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
31 May
15 Jun
1 wk after
31 May
5 Jun
1 wk after
Spinach
Spinacia oleracea
29 Apr – 6 May
24 Jul
3-4 wk
27 May
14 Aug
0 wk
23 May
4 Aug
1 wk before
Sweet potato
Ipomoea batatas
28 Jun – 12 Jul
4-6 wk
9 Aug
11 wk after
Garden tomato
Solanum lycopersicum
28 Apr – 12 May
6-8 wk
23 Jun
4 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
26 May – 9 Jun
22 Jun
2-4 wk
23 Jun
6 Jul
4 wk after
15 Jul
7 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
15 – 29 Apr
22 Jun
4-6 wk
27 May
20 Jul
0 wk
Garden pea
Pisum sativum
29 Apr – 6 May
24 Jun
3-4 wk
27 May
15 Jul
0 wk
31 May
5 Jul
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
28 May – 11 Jun
29 May
4-6 wk
9 Jul
6 wk after
Lemon balm
Melissa officinalis
18 Mar – 1 Apr
20 May
8-10 wk
27 May
15 Jul
0 wk
1 Jul
5 Jul
5 wk after
Dill
Anethum graveolens
31 May
25 Jul
1 wk after
Wild chives
Allium schoenoprasum
1 – 15 Apr
3 Jun
6-8 wk
27 May
15 Jul
0 wk
31 May
5 Jul
1 wk after
Spearmint
Mentha spicata
4 Mar – 1 Apr
20 May
8-12 wk
27 May
15 Jul
0 wk
1 Jul
5 Jul
5 wk after
Coriander
Coriandrum sativum
27 May
14 Aug
0 wk
17 Jun
4 Aug
3 wk after
Garden sage
Salvia officinalis
26 Mar – 9 Apr
5 May
8-10 wk
4 Jun
30 Jun
1 wk after
Common thyme
Thymus vulgaris
18 Mar – 1 Apr
10 May
8-10 wk
27 May
5 Jul
0 wk
Oregano
Origanum vulgare
1 – 15 Apr
24 May
6-8 wk
27 May
5 Jul
0 wk
1 Jul
5 wk after
Parsley
Petroselinum crispum
1 – 15 Apr
24 May
6-8 wk
27 May
5 Jul
0 wk
31 May
25 Jun
1 wk after
Rosemary
Salvia rosmarinus
26 Feb – 26 Mar
5 Apr
10-14 wk
4 Jun
14 Jun
1 wk after

Annual flowers

Plant Sow indoors Transplant Direct sow
Earliest Latest Growing time Earliest Latest Rel. frost Earliest Latest Rel. frost
Morning glory
Ipomoea tricolor
11 – 18 Jun
3-4 wk
9 Jul
6 wk after
Cornflower
Centaurea cyanus
27 May
15 Jul
0 wk
31 May
5 Jul
1 wk after
Statice
Limonium sinuatum
14 – 28 Apr
7 May
8-10 wk
23 Jun
2 Jul
4 wk after
Sweet William
Dianthus barbatus
1 – 15 Apr
6-8 wk
27 May
0 wk
12 Jun
2 wk after
Snow-on-the-mountain
Euphorbia marginata
28 Apr – 12 May
21 May
6-8 wk
23 Jun
2 Jul
4 wk after
9 Aug
11 wk after
Pinnate dahlia
Dahlia × pinnata
20 Apr – 4 May
23 May
6-8 wk
15 Jun
4 Jul
3 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
6 May – 3 Jun
6 Jun
4-8 wk
1 Jul
4 Jul
5 wk after
1 Jul
5 wk after
Foxglove
Digitalis purpurea
18 Mar – 1 Apr
8-10 wk
27 May
0 wk
17 Jun
3 wk after
Busy lizzie
Impatiens walleriana
16 Apr – 14 May
25 Jun
8-12 wk
9 Jul
20 Aug
6 wk after
Creeping zinnia
Sanvitalia procumbens
28 Apr – 12 May
31 May
6-8 wk
23 Jun
12 Jul
4 wk after
Hyacinth bean
Dolichos lablab
Greenhouse
12 – 26 May
4-6 wk
23 Jun
4 wk after
Chinese lantern
Physalis alkekengi
26 Mar – 9 Apr
20 Apr
8-10 wk
4 Jun
15 Jun
1 wk after
Love in a mist
Nigella damascena
27 May
30 Jun
0 wk
31 May
20 Jun
1 wk after
Strawflower
Xerochrysum bracteatum
28 Apr – 12 May
11 May
6-8 wk
23 Jun
4 wk after
9 Aug
11 wk after
Purple-top vervain
Verbena bonariensis
12 Mar – 9 Apr
20 Apr
8-12 wk
4 Jun
15 Jun
1 wk after
Cardoon
Cynara cardunculus
Fleece
19 Mar – 16 Apr
21 Mar
8-12 wk
11 Jun
2 wk after
Regal-foxtail
Ptilotus nobilis
16 Apr – 14 May
21 Apr
8-12 wk
9 Jul
6 wk after
Globe amaranth
Gomphrena globosa
14 – 28 May
6-8 wk
9 Jul
6 wk after
Corn poppy
Papaver rhoeas
27 May
15 Jul
0 wk
31 May
5 Jul
1 wk after
Snapdragon
Antirrhinum majus
4 Mar – 1 Apr
10 May
8-12 wk
27 May
5 Jul
0 wk
12 Jun
25 Jun
2 wk after
Flossflower
Ageratum houstonianum
30 Apr – 14 May
17 May
8-10 wk
9 Jul
12 Jul
6 wk after
Sweet pea
Lathyrus odoratus
1 – 22 Apr
31 May
5-8 wk
27 May
5 Jul
0 wk
Stock
Matthiola incana
1 – 15 Apr
3 Jun
6-8 wk
27 May
15 Jul
0 wk
17 Jun
5 Jul
3 wk after
Wormwood
Artemisia absinthium
1 – 15 Apr
4 May
6-8 wk
27 May
15 Jun
0 wk
17 Jun
3 wk after
Mexican sunflower
Tithonia rotundifolia
28 May – 11 Jun
4-6 wk
9 Jul
6 wk after
Garden pansy
Viola × wittrockiana
18 Mar – 1 Apr
20 May
8-10 wk
27 May
15 Jul
0 wk
12 Jun
5 Jul
2 wk after
Petunia
Petunia
31 Mar – 28 Apr
7 May
8-12 wk
23 Jun
2 Jul
4 wk after
Sweet Scabious
Scabiosa atropurpurea
9 – 23 Apr
4 May
6-8 wk
4 Jun
15 Jun
1 wk after
15 Jul
7 wk after
Common zinnia
Zinnia elegans
12 – 26 May
7 Jun
4-6 wk
23 Jun
5 Jul
4 wk after
Common morning glory
Ipomoea purpurea
4 – 18 Jun
5 Jun
3-5 wk
9 Jul
6 wk after
Garden cosmos
Cosmos bipinnatus
12 – 26 May
6 Jun
4-6 wk
23 Jun
4 Jul
4 wk after
15 Jul
7 wk after
Scarlet milkweed
Asclepias curassavica
26 Apr – 24 May
21 May
8-12 wk
19 Jul
8 wk after
Bee balm
Monarda didyma
4 Mar – 1 Apr
20 Apr
8-12 wk
27 May
15 Jun
0 wk
1 Jul
5 wk after
Yarrow
Achillea millefolium
1 – 15 Apr
4 Apr
6-8 wk
27 May
0 wk
17 Jun
3 wk after
Safflower
Carthamus tinctorius
27 May
15 Jun
0 wk
31 May
5 Jun
1 wk after
Iceland poppy
Papaver nudicaule
Season too short
1 – 15 Apr
24 May
6-8 wk
27 May
5 Jul
0 wk
9 May
25 Jun
3 wk before
Bishop's flower
Ammi majus
15 – 29 Apr
7 Jun
4-6 wk
27 May
5 Jul
0 wk
17 Jun
25 Jun
3 wk after
Drumsticks
Pycnosorus globosus
Fleece
31 Mar – 14 Apr
5 Apr
10-12 wk
23 Jun
4 wk after
Sunflower
Helianthus annuus
26 May – 2 Jun
13 Jun
3-4 wk
23 Jun
4 Jul
4 wk after
1 Jul
5 wk after
China aster
Callistephus chinensis
28 Apr – 12 May
2 Jun
6-8 wk
23 Jun
14 Jul
4 wk after
15 Jul
7 wk after
Annual phlox
Phlox drummondii
16 – 30 Apr
31 May
6-8 wk
11 Jun
12 Jul
2 wk after
15 Jul
7 wk after
Hollyhock
Alcea rosea
1 – 15 Apr
6-8 wk
27 May
0 wk
17 Jun
3 wk after
Alpine delphinium
Delphinium elatum
4 Mar – 1 Apr
20 Apr
8-12 wk
27 May
15 Jun
0 wk
1 Jul
5 wk after
African marigold
Tagetes erecta
28 Apr – 12 May
31 May
6-8 wk
23 Jun
12 Jul
4 wk after
Black-eyed Susan
Rudbeckia hirta
9 – 23 Apr
23 May
6-8 wk
4 Jun
4 Jul
1 wk after
15 Jul
7 wk after
Wood sage
Salvia nemorosa
18 Mar – 1 Apr
10 Apr
8-10 wk
27 May
5 Jun
0 wk
1 Jul
5 wk after
Black-eyed susan vine
Thunbergia alata
30 Apr – 28 May
15 May
6-10 wk
9 Jul
6 wk after
California goldenpoppy
Eschscholzia californica
27 May
15 Jul
0 wk
31 May
5 Jul
1 wk after
Painted tongue
Salpiglossis sinuata
14 – 28 Apr
6 May
8-10 wk
23 Jun
1 Jul
4 wk after
Water forget-me-not
Myosotis scorpioides
1 – 15 Apr
4 May
6-8 wk
27 May
15 Jun
0 wk
17 Jun
3 wk after