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Method
Rel. frost
Last spring frost (0°C) 26 May Frost 1 of 4 years · 20 years of data
Frost-free season 133 days 26 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)
7 – 21 Apr
19 Jun
5-7 wk
26 May
24 Jul
0 wk
20 May
14 Jul
1 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
14 – 28 Apr
1 Jul
4-6 wk
26 May
29 Jul
0 wk
20 May
19 Jul
1 wk before
Chili pepper
Capsicum annuum
Fleece
16 Mar – 13 Apr
15 Apr
8-12 wk
8 Jun
10 Jun
2 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
7 – 21 Apr
14 Jun
5-7 wk
26 May
19 Jul
0 wk
13 May
9 Jul
2 wk before
Garden cucumber
Cucumis sativus
30 May – 6 Jun
9 Jun
3-4 wk
27 Jun
30 Jun
5 wk after
Florence Fennel
Foeniculum vulgare
23 – 30 May
9 Jun
4-5 wk
27 Jun
7 Jul
5 wk after
6 Jul
6 wk after
Butter bean
Phaseolus lunatus
Greenhouse
6 – 13 Jun
3-4 wk
4 Jul
6 wk after
Onion
Allium cepa (Cepa-gruppen)
3 – 31 Mar
4 Apr
8-12 wk
26 May
30 May
0 wk
8 Jun
2 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
20 May
19 Jun
1 wk before
20 May
9 Jun
1 wk before
Maize
Zea mays
11 – 18 May
30 May
3-4 wk
8 Jun
20 Jun
2 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
30 Apr – 7 May
8 Jul
3-4 wk
28 May
29 Jul
0 wk
8 Jun
19 Jul
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
26 May
9 Jul
0 wk
13 May
29 Jun
2 wk before
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
7 – 21 Apr
14 Jun
5-7 wk
26 May
19 Jul
0 wk
13 May
9 Jul
2 wk before
Potato
Solanum tuberosum
19 Apr – 3 May
11 Jun
4-6 wk
31 May
9 Jul
1 wk after
31 May
29 Jun
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
7 – 21 Apr
24 Jun
5-7 wk
26 May
29 Jul
0 wk
20 May
19 Jul
1 wk before
Pumpkin
Cucurbita pepo
30 May – 6 Jun
23 Jun
3-4 wk
27 Jun
14 Jul
5 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
30 Apr – 7 May
27 Jun
3-4 wk
28 May
18 Jul
0 wk
8 Jun
8 Jul
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
14 – 28 Apr
26 Jun
4-6 wk
26 May
24 Jul
0 wk
Lettuce
Lactuca sativa
28 Apr – 5 May
13 Jul
3-4 wk
26 May
3 Aug
0 wk
20 May
24 Jul
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
14 – 28 Apr
26 Jun
4-6 wk
26 May
24 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
15 – 29 Apr
5 Jun
2-4 wk
13 May
19 Jun
2 wk before
13 May
9 Jun
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
20 May
19 Jun
1 wk before
20 May
9 Jun
1 wk before
Spinach
Spinacia oleracea
28 Apr – 5 May
28 Jul
3-4 wk
26 May
18 Aug
0 wk
6 May
8 Aug
3 wk before
Sweet potato
Ipomoea batatas
27 Jun – 11 Jul
4-6 wk
8 Aug
11 wk after
Garden tomato
Solanum lycopersicum
13 – 27 Apr
9 May
6-8 wk
8 Jun
20 Jun
2 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
11 – 25 May
25 Jun
2-4 wk
8 Jun
9 Jul
2 wk after
6 Jul
6 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
14 – 28 Apr
26 Jun
4-6 wk
26 May
24 Jul
0 wk
Garden pea
Pisum sativum
28 Apr – 5 May
28 Jun
3-4 wk
26 May
19 Jul
0 wk
20 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
16 – 30 May
1 Jun
4-6 wk
27 Jun
29 Jun
5 wk after
Lemon balm
Melissa officinalis
17 – 31 Mar
24 May
8-10 wk
26 May
19 Jul
0 wk
21 Jun
9 Jul
4 wk after
Dill
Anethum graveolens
20 May
29 Jul
1 wk before
Wild chives
Allium schoenoprasum
31 Mar – 14 Apr
7 Jun
6-8 wk
26 May
19 Jul
0 wk
20 May
9 Jul
1 wk before
Spearmint
Mentha spicata
3 – 31 Mar
24 May
8-12 wk
26 May
19 Jul
0 wk
21 Jun
9 Jul
4 wk after
Coriander
Coriandrum sativum
26 May
18 Aug
0 wk
8 Jun
8 Aug
2 wk after
Garden sage
Salvia officinalis
19 Mar – 2 Apr
9 May
8-10 wk
28 May
4 Jul
0 wk
Common thyme
Thymus vulgaris
17 – 31 Mar
14 May
8-10 wk
26 May
9 Jul
0 wk
Oregano
Origanum vulgare
31 Mar – 14 Apr
28 May
6-8 wk
26 May
9 Jul
0 wk
21 Jun
29 Jun
4 wk after
Parsley
Petroselinum crispum
31 Mar – 14 Apr
28 May
6-8 wk
26 May
9 Jul
0 wk
20 May
29 Jun
1 wk before
Rosemary
Salvia rosmarinus
19 Feb – 19 Mar
10 Apr
10-14 wk
28 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
30 May – 6 Jun
8 Jun
3-4 wk
27 Jun
29 Jun
5 wk after
Cornflower
Centaurea cyanus
26 May
19 Jul
0 wk
20 May
9 Jul
1 wk before
Statice
Limonium sinuatum
30 Mar – 13 Apr
10 May
8-10 wk
8 Jun
5 Jul
2 wk after
Sweet William
Dianthus barbatus
31 Mar – 14 Apr
6-8 wk
26 May
0 wk
31 May
1 wk after
Snow-on-the-mountain
Euphorbia marginata
13 – 27 Apr
24 May
6-8 wk
8 Jun
5 Jul
2 wk after
8 Aug
11 wk after
Pinnate dahlia
Dahlia × pinnata
11 – 25 Apr
28 May
6-8 wk
6 Jun
9 Jul
2 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
26 Apr – 24 May
11 Jun
4-8 wk
21 Jun
9 Jul
4 wk after
21 Jun
29 Jun
4 wk after
Foxglove
Digitalis purpurea
17 – 31 Mar
8-10 wk
26 May
0 wk
8 Jun
2 wk after
Busy lizzie
Impatiens walleriana
4 Apr – 2 May
2 Jul
8-12 wk
27 Jun
27 Aug
5 wk after
Creeping zinnia
Sanvitalia procumbens
13 – 27 Apr
3 Jun
6-8 wk
8 Jun
15 Jul
2 wk after
Hyacinth bean
Dolichos lablab
Greenhouse
27 Apr – 11 May
15 May
4-6 wk
8 Jun
12 Jun
2 wk after
Chinese lantern
Physalis alkekengi
19 Mar – 2 Apr
24 Apr
8-10 wk
28 May
19 Jun
0 wk
Love in a mist
Nigella damascena
26 May
4 Jul
0 wk
20 May
24 Jun
1 wk before
Strawflower
Xerochrysum bracteatum
13 – 27 Apr
14 May
6-8 wk
8 Jun
25 Jun
2 wk after
8 Aug
11 wk after
Purple-top vervain
Verbena bonariensis
5 Mar – 2 Apr
24 Apr
8-12 wk
28 May
19 Jun
0 wk
Cardoon
Cynara cardunculus
16 Mar – 13 Apr
25 Mar
8-12 wk
8 Jun
2 wk after
Regal-foxtail
Ptilotus nobilis
4 Apr – 2 May
24 Apr
8-12 wk
27 Jun
5 wk after
Globe amaranth
Gomphrena globosa
2 – 16 May
8 May
6-8 wk
27 Jun
5 wk after
Corn poppy
Papaver rhoeas
26 May
19 Jul
0 wk
20 May
9 Jul
1 wk before
Snapdragon
Antirrhinum majus
3 – 31 Mar
14 May
8-12 wk
26 May
9 Jul
0 wk
31 May
29 Jun
1 wk after
Flossflower
Ageratum houstonianum
18 Apr – 2 May
20 May
8-10 wk
27 Jun
15 Jul
5 wk after
Sweet pea
Lathyrus odoratus
31 Mar – 21 Apr
4 Jun
5-8 wk
26 May
9 Jul
0 wk
Stock
Matthiola incana
31 Mar – 14 Apr
7 Jun
6-8 wk
26 May
19 Jul
0 wk
8 Jun
9 Jul
2 wk after
Wormwood
Artemisia absinthium
31 Mar – 14 Apr
8 May
6-8 wk
26 May
19 Jun
0 wk
8 Jun
9 Jun
2 wk after
Mexican sunflower
Tithonia rotundifolia
16 – 30 May
17 May
4-6 wk
27 Jun
5 wk after
Garden pansy
Viola × wittrockiana
17 – 31 Mar
24 May
8-10 wk
26 May
19 Jul
0 wk
31 May
9 Jul
1 wk after
Petunia
Petunia
16 Mar – 13 Apr
10 May
8-12 wk
8 Jun
5 Jul
2 wk after
Sweet Scabious
Scabiosa atropurpurea
2 – 16 Apr
8 May
6-8 wk
28 May
19 Jun
0 wk
6 Jul
6 wk after
Common zinnia
Zinnia elegans
27 Apr – 11 May
14 Jun
4-6 wk
8 Jun
12 Jul
2 wk after
Common morning glory
Ipomoea purpurea
23 May – 6 Jun
8 Jun
3-5 wk
27 Jun
29 Jun
5 wk after
Garden cosmos
Cosmos bipinnatus
27 Apr – 11 May
11 Jun
4-6 wk
8 Jun
9 Jul
2 wk after
6 Jul
6 wk after
Scarlet milkweed
Asclepias curassavica
25 Apr – 23 May
24 May
8-12 wk
18 Jul
19 Jul
8 wk after
Bee balm
Monarda didyma
3 – 31 Mar
24 Apr
8-12 wk
26 May
19 Jun
0 wk
21 Jun
4 wk after
Yarrow
Achillea millefolium
31 Mar – 14 Apr
8 Apr
6-8 wk
26 May
0 wk
8 Jun
2 wk after
Safflower
Carthamus tinctorius
26 May
19 Jun
0 wk
20 May
9 Jun
1 wk before
Iceland poppy
Papaver nudicaule
Season too short
31 Mar – 14 Apr
28 May
6-8 wk
26 May
9 Jul
0 wk
10 Apr
29 Jun
7 wk before
Bishop's flower
Ammi majus
14 – 28 Apr
11 Jun
4-6 wk
26 May
9 Jul
0 wk
8 Jun
29 Jun
2 wk after
Drumsticks
Pycnosorus globosus
4 – 18 Apr
10-12 wk
27 Jun
5 wk after
Sunflower
Helianthus annuus
11 – 18 May
18 Jun
3-4 wk
8 Jun
9 Jul
2 wk after
21 Jun
29 Jun
4 wk after
China aster
Callistephus chinensis
13 – 27 Apr
7 Jun
6-8 wk
8 Jun
19 Jul
2 wk after
6 Jul
9 Jul
6 wk after
Annual phlox
Phlox drummondii
6 – 20 Apr
3 Jun
6-8 wk
1 Jun
15 Jul
1 wk after
6 Jul
6 wk after
Hollyhock
Alcea rosea
31 Mar – 14 Apr
6-8 wk
26 May
0 wk
8 Jun
2 wk after
Alpine delphinium
Delphinium elatum
3 – 31 Mar
24 Apr
8-12 wk
26 May
19 Jun
0 wk
21 Jun
4 wk after
African marigold
Tagetes erecta
13 – 27 Apr
3 Jun
6-8 wk
8 Jun
15 Jul
2 wk after
Black-eyed Susan
Rudbeckia hirta
2 – 16 Apr
28 May
6-8 wk
28 May
9 Jul
0 wk
6 Jul
6 wk after
Wood sage
Salvia nemorosa
17 – 31 Mar
14 Apr
8-10 wk
26 May
9 Jun
0 wk
21 Jun
4 wk after
Black-eyed susan vine
Thunbergia alata
18 Apr – 16 May
18 May
6-10 wk
27 Jun
29 Jun
5 wk after
California goldenpoppy
Eschscholzia californica
26 May
19 Jul
0 wk
20 May
9 Jul
1 wk before
Painted tongue
Salpiglossis sinuata
30 Mar – 13 Apr
12 May
8-10 wk
8 Jun
7 Jul
2 wk after
Water forget-me-not
Myosotis scorpioides
31 Mar – 14 Apr
8 May
6-8 wk
26 May
19 Jun
0 wk
8 Jun
9 Jun
2 wk after