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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 127 days 30 May – 4 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)
11 – 25 Apr
13 Jun
5-7 wk
30 May
18 Jul
0 wk
31 May
8 Jul
0 wk
Broccoli
Brassica oleracea (Italica-gruppen)
18 Apr – 2 May
25 Jun
4-6 wk
30 May
23 Jul
0 wk
31 May
13 Jul
0 wk
Chili pepper
Capsicum annuum
Fleece
20 Mar – 17 Apr
3 Apr
8-12 wk
12 Jun
2 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
11 – 25 Apr
8 Jun
5-7 wk
30 May
13 Jul
0 wk
30 May
3 Jul
0 wk
Garden cucumber
Cucumis sativus
3 – 10 Jun
3-4 wk
1 Jul
5 wk after
Florence Fennel
Foeniculum vulgare
27 May – 3 Jun
5 Jun
4-5 wk
1 Jul
3 Jul
5 wk after
12 Jul
6 wk after
Butter bean
Phaseolus lunatus
Season too short
10 – 17 Jun
3-4 wk
8 Jul
6 wk after
Onion
Allium cepa (Cepa-gruppen)
7 Mar – 4 Apr
29 Mar
8-12 wk
30 May
0 wk
12 Jun
2 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
31 May
13 Jun
0 wk
31 May
3 Jun
0 wk
Maize
Zea mays
15 – 22 May
18 May
3-4 wk
12 Jun
2 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
4 – 11 May
2 Jul
3-4 wk
1 Jun
23 Jul
0 wk
12 Jun
13 Jul
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
30 May
3 Jul
0 wk
30 May
23 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
11 – 25 Apr
8 Jun
5-7 wk
30 May
13 Jul
0 wk
30 May
3 Jul
0 wk
Potato
Solanum tuberosum
28 Apr – 12 May
1 Jun
4-6 wk
9 Jun
29 Jun
1 wk after
9 Jun
19 Jun
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
11 – 25 Apr
18 Jun
5-7 wk
30 May
23 Jul
0 wk
31 May
13 Jul
0 wk
Pumpkin
Cucurbita pepo
3 – 10 Jun
17 Jun
3-4 wk
1 Jul
8 Jul
5 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
4 – 11 May
16 Jun
3-4 wk
1 Jun
7 Jul
0 wk
12 Jun
27 Jun
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
18 Apr – 2 May
20 Jun
4-6 wk
30 May
18 Jul
0 wk
Lettuce
Lactuca sativa
2 – 9 May
7 Jul
3-4 wk
30 May
28 Jul
0 wk
31 May
18 Jul
0 wk
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
18 Apr – 2 May
20 Jun
4-6 wk
30 May
18 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
2 – 16 May
30 May
2-4 wk
30 May
13 Jun
0 wk
30 May
3 Jun
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
31 May
13 Jun
0 wk
31 May
3 Jun
0 wk
Spinach
Spinacia oleracea
2 – 9 May
22 Jul
3-4 wk
30 May
12 Aug
0 wk
27 May
2 Aug
0 wk
Sweet potato
Ipomoea batatas
24 Jun – 8 Jul
4-6 wk
5 Aug
10 wk after
Garden tomato
Solanum lycopersicum
17 Apr – 1 May
27 Apr
6-8 wk
12 Jun
2 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
15 – 29 May
19 Jun
2-4 wk
12 Jun
3 Jul
2 wk after
12 Jul
6 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
18 Apr – 2 May
20 Jun
4-6 wk
30 May
18 Jul
0 wk
Garden pea
Pisum sativum
2 – 9 May
22 Jun
3-4 wk
30 May
13 Jul
0 wk
31 May
3 Jul
0 wk

Herbs

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