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Method
Rel. frost
Last spring frost (0°C) 30 May Frost 1 of 4 years · 20 years of data
Frost-free season 118 days 30 May – 25 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)
11 – 25 Apr
16 Jun
5-7 wk
30 May
21 Jul
0 wk
3 Jun
11 Jul
1 wk after
Broccoli
Brassica oleracea (Italica-gruppen)
18 Apr – 2 May
28 Jun
4-6 wk
30 May
26 Jul
0 wk
3 Jun
16 Jul
1 wk after
Chili pepper
Capsicum annuum
Greenhouse
22 Mar – 19 Apr
19 Apr
8-12 wk
14 Jun
14 Jun
2 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
11 – 25 Apr
11 Jun
5-7 wk
30 May
16 Jul
0 wk
30 May
6 Jul
0 wk
Garden cucumber
Cucumis sativus
14 – 21 Jun
3-4 wk
12 Jul
6 wk after
Florence Fennel
Foeniculum vulgare
7 – 14 Jun
4-5 wk
12 Jul
6 wk after
18 Jul
7 wk after
Butter bean
Phaseolus lunatus
Greenhouse
19 – 26 Jun
3-4 wk
17 Jul
7 wk after
Onion
Allium cepa (Cepa-gruppen)
7 Mar – 4 Apr
1 Apr
8-12 wk
30 May
0 wk
20 Jun
3 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
3 Jun
16 Jun
1 wk after
3 Jun
6 Jun
1 wk after
Maize
Zea mays
29 May – 5 Jun
3-4 wk
26 Jun
4 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
10 – 17 May
5 Jul
3-4 wk
7 Jun
26 Jul
1 wk after
20 Jun
16 Jul
3 wk after
Carrot
Daucus carota subsp. sativus var. sativus
30 May
6 Jul
0 wk
30 May
26 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
11 – 25 Apr
11 Jun
5-7 wk
30 May
16 Jul
0 wk
30 May
6 Jul
0 wk
Potato
Solanum tuberosum
4 – 18 May
3 Jun
4-6 wk
15 Jun
1 Jul
2 wk after
15 Jun
21 Jun
2 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
11 – 25 Apr
21 Jun
5-7 wk
30 May
26 Jul
0 wk
3 Jun
16 Jul
1 wk after
Pumpkin
Cucurbita pepo
14 – 21 Jun
18 Jun
3-4 wk
12 Jul
6 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
10 – 17 May
14 Jun
3-4 wk
7 Jun
5 Jul
1 wk after
20 Jun
25 Jun
3 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
18 Apr – 2 May
23 Jun
4-6 wk
30 May
21 Jul
0 wk
Lettuce
Lactuca sativa
2 – 9 May
10 Jul
3-4 wk
30 May
31 Jul
0 wk
3 Jun
21 Jul
1 wk after
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
18 Apr – 2 May
23 Jun
4-6 wk
30 May
21 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
2 – 16 May
2 Jun
2-4 wk
30 May
16 Jun
0 wk
30 May
6 Jun
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
3 Jun
16 Jun
1 wk after
3 Jun
6 Jun
1 wk after
Spinach
Spinacia oleracea
2 – 9 May
25 Jul
3-4 wk
30 May
15 Aug
0 wk
26 May
5 Aug
1 wk before
Sweet potato
Ipomoea batatas
1 – 15 Jul
4-6 wk
12 Aug
11 wk after
Garden tomato
Solanum lycopersicum
1 – 15 May
6-8 wk
26 Jun
4 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
29 May – 12 Jun
20 Jun
2-4 wk
26 Jun
4 Jul
4 wk after
18 Jul
7 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
18 Apr – 2 May
23 Jun
4-6 wk
30 May
21 Jul
0 wk
Garden pea
Pisum sativum
2 – 9 May
25 Jun
3-4 wk
30 May
16 Jul
0 wk
3 Jun
6 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
31 May – 14 Jun
4-6 wk
12 Jul
6 wk after
Lemon balm
Melissa officinalis
21 Mar – 4 Apr
21 May
8-10 wk
30 May
16 Jul
0 wk
4 Jul
6 Jul
5 wk after
Dill
Anethum graveolens
3 Jun
26 Jul
1 wk after
Wild chives
Allium schoenoprasum
4 – 18 Apr
4 Jun
6-8 wk
30 May
16 Jul
0 wk
3 Jun
6 Jul
1 wk after
Spearmint
Mentha spicata
7 Mar – 4 Apr
21 May
8-12 wk
30 May
16 Jul
0 wk
4 Jul
6 Jul
5 wk after
Coriander
Coriandrum sativum
30 May
15 Aug
0 wk
20 Jun
5 Aug
3 wk after
Garden sage
Salvia officinalis
29 Mar – 12 Apr
6 May
8-10 wk
7 Jun
1 Jul
1 wk after
Common thyme
Thymus vulgaris
21 Mar – 4 Apr
11 May
8-10 wk
30 May
6 Jul
0 wk
Oregano
Origanum vulgare
4 – 18 Apr
25 May
6-8 wk
30 May
6 Jul
0 wk
4 Jul
5 wk after
Parsley
Petroselinum crispum
4 – 18 Apr
25 May
6-8 wk
30 May
6 Jul
0 wk
3 Jun
26 Jun
1 wk after
Rosemary
Salvia rosmarinus
1 – 29 Mar
7 Apr
10-14 wk
7 Jun
16 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
14 – 21 Jun
3-4 wk
12 Jul
6 wk after
Cornflower
Centaurea cyanus
30 May
16 Jul
0 wk
3 Jun
6 Jul
1 wk after
Statice
Limonium sinuatum
17 Apr – 1 May
5 May
8-10 wk
26 Jun
30 Jun
4 wk after
Sweet William
Dianthus barbatus
4 – 18 Apr
6-8 wk
30 May
0 wk
15 Jun
2 wk after
Snow-on-the-mountain
Euphorbia marginata
1 – 15 May
19 May
6-8 wk
26 Jun
30 Jun
4 wk after
12 Aug
11 wk after
Pinnate dahlia
Dahlia × pinnata
23 Apr – 7 May
21 May
6-8 wk
18 Jun
2 Jul
3 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
9 May – 6 Jun
4 Jun
4-8 wk
4 Jul
5 wk after
4 Jul
5 wk after
Foxglove
Digitalis purpurea
21 Mar – 4 Apr
8-10 wk
30 May
0 wk
20 Jun
3 wk after
Busy lizzie
Impatiens walleriana
19 Apr – 17 May
25 Jun
8-12 wk
12 Jul
20 Aug
6 wk after
Creeping zinnia
Sanvitalia procumbens
1 – 15 May
29 May
6-8 wk
26 Jun
10 Jul
4 wk after
Hyacinth bean
Dolichos lablab
Greenhouse
15 – 29 May
4-6 wk
26 Jun
4 wk after
Chinese lantern
Physalis alkekengi
29 Mar – 12 Apr
21 Apr
8-10 wk
7 Jun
16 Jun
1 wk after
Love in a mist
Nigella damascena
30 May
1 Jul
0 wk
3 Jun
21 Jun
1 wk after
Strawflower
Xerochrysum bracteatum
1 – 15 May
9 May
6-8 wk
26 Jun
4 wk after
12 Aug
11 wk after
Purple-top vervain
Verbena bonariensis
15 Mar – 12 Apr
21 Apr
8-12 wk
7 Jun
16 Jun
1 wk after
Cardoon
Cynara cardunculus
Fleece
22 Mar – 19 Apr
22 Mar
8-12 wk
14 Jun
2 wk after
Regal-foxtail
Ptilotus nobilis
19 Apr – 17 May
19 Apr
8-12 wk
12 Jul
6 wk after
Globe amaranth
Gomphrena globosa
17 – 31 May
6-8 wk
12 Jul
6 wk after
Corn poppy
Papaver rhoeas
30 May
16 Jul
0 wk
3 Jun
6 Jul
1 wk after
Snapdragon
Antirrhinum majus
7 Mar – 4 Apr
11 May
8-12 wk
30 May
6 Jul
0 wk
15 Jun
26 Jun
2 wk after
Flossflower
Ageratum houstonianum
3 – 17 May
15 May
8-10 wk
12 Jul
6 wk after
Sweet pea
Lathyrus odoratus
4 – 25 Apr
1 Jun
5-8 wk
30 May
6 Jul
0 wk
Stock
Matthiola incana
4 – 18 Apr
4 Jun
6-8 wk
30 May
16 Jul
0 wk
20 Jun
6 Jul
3 wk after
Wormwood
Artemisia absinthium
4 – 18 Apr
5 May
6-8 wk
30 May
16 Jun
0 wk
20 Jun
3 wk after
Mexican sunflower
Tithonia rotundifolia
31 May – 14 Jun
4-6 wk
12 Jul
6 wk after
Garden pansy
Viola × wittrockiana
21 Mar – 4 Apr
21 May
8-10 wk
30 May
16 Jul
0 wk
15 Jun
6 Jul
2 wk after
Petunia
Petunia
3 Apr – 1 May
5 May
8-12 wk
26 Jun
30 Jun
4 wk after
Sweet Scabious
Scabiosa atropurpurea
12 – 26 Apr
5 May
6-8 wk
7 Jun
16 Jun
1 wk after
18 Jul
7 wk after
Common zinnia
Zinnia elegans
15 – 29 May
7 Jun
4-6 wk
26 Jun
5 Jul
4 wk after
Common morning glory
Ipomoea purpurea
7 – 21 Jun
3-5 wk
12 Jul
6 wk after
Garden cosmos
Cosmos bipinnatus
15 – 29 May
4 Jun
4-6 wk
26 Jun
2 Jul
4 wk after
18 Jul
7 wk after
Scarlet milkweed
Asclepias curassavica
29 Apr – 27 May
19 May
8-12 wk
22 Jul
8 wk after
Bee balm
Monarda didyma
7 Mar – 4 Apr
21 Apr
8-12 wk
30 May
16 Jun
0 wk
4 Jul
5 wk after
Yarrow
Achillea millefolium
4 – 18 Apr
5 Apr
6-8 wk
30 May
0 wk
20 Jun
3 wk after
Safflower
Carthamus tinctorius
30 May
16 Jun
0 wk
3 Jun
6 Jun
1 wk after
Iceland poppy
Papaver nudicaule
Season too short
4 – 18 Apr
25 May
6-8 wk
30 May
6 Jul
0 wk
12 May
26 Jun
3 wk before
Bishop's flower
Ammi majus
18 Apr – 2 May
8 Jun
4-6 wk
30 May
6 Jul
0 wk
20 Jun
26 Jun
3 wk after
Drumsticks
Pycnosorus globosus
19 Apr – 3 May
10-12 wk
12 Jul
6 wk after
Sunflower
Helianthus annuus
29 May – 5 Jun
15 Jun
3-4 wk
26 Jun
6 Jul
4 wk after
4 Jul
5 wk after
China aster
Callistephus chinensis
1 – 15 May
4 Jun
6-8 wk
26 Jun
16 Jul
4 wk after
18 Jul
7 wk after
Annual phlox
Phlox drummondii
19 Apr – 3 May
29 May
6-8 wk
14 Jun
10 Jul
2 wk after
18 Jul
7 wk after
Hollyhock
Alcea rosea
4 – 18 Apr
6-8 wk
30 May
0 wk
20 Jun
3 wk after
Alpine delphinium
Delphinium elatum
7 Mar – 4 Apr
21 Apr
8-12 wk
30 May
16 Jun
0 wk
4 Jul
5 wk after
African marigold
Tagetes erecta
1 – 15 May
29 May
6-8 wk
26 Jun
10 Jul
4 wk after
Black-eyed Susan
Rudbeckia hirta
12 – 26 Apr
25 May
6-8 wk
7 Jun
6 Jul
1 wk after
18 Jul
7 wk after
Wood sage
Salvia nemorosa
21 Mar – 4 Apr
11 Apr
8-10 wk
30 May
6 Jun
0 wk
4 Jul
5 wk after
Black-eyed susan vine
Thunbergia alata
3 – 31 May
13 May
6-10 wk
12 Jul
6 wk after
California goldenpoppy
Eschscholzia californica
30 May
16 Jul
0 wk
3 Jun
6 Jul
1 wk after
Painted tongue
Salpiglossis sinuata
17 Apr – 1 May
4 May
8-10 wk
26 Jun
29 Jun
4 wk after
Water forget-me-not
Myosotis scorpioides
4 – 18 Apr
5 May
6-8 wk
30 May
16 Jun
0 wk
20 Jun
3 wk after