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Method
Rel. frost
Last spring frost (0°C) 25 May Frost 1 of 4 years · 20 years of data
Frost-free season 134 days 25 May – 6 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)
6 – 20 Apr
19 Jun
5-7 wk
25 May
24 Jul
0 wk
19 May
14 Jul
1 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
13 – 27 Apr
1 Jul
4-6 wk
25 May
29 Jul
0 wk
19 May
19 Jul
1 wk before
Chili pepper
Capsicum annuum
Fleece
15 Mar – 12 Apr
12 Apr
8-12 wk
7 Jun
7 Jun
2 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
6 – 20 Apr
14 Jun
5-7 wk
25 May
19 Jul
0 wk
12 May
9 Jul
2 wk before
Garden cucumber
Cucumis sativus
29 May – 5 Jun
6 Jun
3-4 wk
26 Jun
27 Jun
5 wk after
Florence Fennel
Foeniculum vulgare
22 – 29 May
11 Jun
4-5 wk
26 Jun
9 Jul
5 wk after
5 Jul
6 wk after
Butter bean
Phaseolus lunatus
Greenhouse
5 – 12 Jun
3-4 wk
3 Jul
6 wk after
Onion
Allium cepa (Cepa-gruppen)
2 – 30 Mar
4 Apr
8-12 wk
25 May
30 May
0 wk
7 Jun
2 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
19 May
19 Jun
1 wk before
19 May
9 Jun
1 wk before
Maize
Zea mays
10 – 17 May
27 May
3-4 wk
7 Jun
17 Jun
2 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
29 Apr – 6 May
8 Jul
3-4 wk
27 May
29 Jul
0 wk
7 Jun
19 Jul
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
25 May
9 Jul
0 wk
12 May
29 Jun
2 wk before
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
6 – 20 Apr
14 Jun
5-7 wk
25 May
19 Jul
0 wk
12 May
9 Jul
2 wk before
Potato
Solanum tuberosum
18 Apr – 2 May
10 Jun
4-6 wk
30 May
8 Jul
1 wk after
30 May
28 Jun
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
6 – 20 Apr
24 Jun
5-7 wk
25 May
29 Jul
0 wk
19 May
19 Jul
1 wk before
Pumpkin
Cucurbita pepo
29 May – 5 Jun
23 Jun
3-4 wk
26 Jun
14 Jul
5 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
29 Apr – 6 May
22 Jun
3-4 wk
27 May
13 Jul
0 wk
7 Jun
3 Jul
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
13 – 27 Apr
26 Jun
4-6 wk
25 May
24 Jul
0 wk
Lettuce
Lactuca sativa
27 Apr – 4 May
13 Jul
3-4 wk
25 May
3 Aug
0 wk
19 May
24 Jul
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
13 – 27 Apr
26 Jun
4-6 wk
25 May
24 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
14 – 28 Apr
5 Jun
2-4 wk
12 May
19 Jun
2 wk before
12 May
9 Jun
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
19 May
19 Jun
1 wk before
19 May
9 Jun
1 wk before
Spinach
Spinacia oleracea
27 Apr – 4 May
28 Jul
3-4 wk
25 May
18 Aug
0 wk
5 May
8 Aug
3 wk before
Sweet potato
Ipomoea batatas
26 Jun – 10 Jul
4-6 wk
7 Aug
11 wk after
Garden tomato
Solanum lycopersicum
12 – 26 Apr
6 May
6-8 wk
7 Jun
17 Jun
2 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
10 – 24 May
25 Jun
2-4 wk
7 Jun
9 Jul
2 wk after
5 Jul
6 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
13 – 27 Apr
26 Jun
4-6 wk
25 May
24 Jul
0 wk
Garden pea
Pisum sativum
27 Apr – 4 May
28 Jun
3-4 wk
25 May
19 Jul
0 wk
19 May
9 Jul
1 wk before

Herbs

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