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Method
Rel. frost
Last spring frost (0°C) 29 May Frost 1 of 4 years · 20 years of data
Frost-free season 128 days 29 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)
10 – 24 Apr
18 Jun
5-7 wk
29 May
23 Jul
0 wk
22 May
13 Jul
1 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
17 Apr – 1 May
30 Jun
4-6 wk
29 May
28 Jul
0 wk
22 May
18 Jul
1 wk before
Chili pepper
Capsicum annuum
Greenhouse
12 Mar – 9 Apr
16 Apr
8-12 wk
4 Jun
11 Jun
1 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
10 – 24 Apr
13 Jun
5-7 wk
29 May
18 Jul
0 wk
17 May
8 Jul
2 wk before
Garden cucumber
Cucumis sativus
Fleece
14 – 21 May
10 Jun
3-4 wk
11 Jun
1 Jul
2 wk after
Florence Fennel
Foeniculum vulgare
26 May – 2 Jun
2 Jun
4-5 wk
30 Jun
30 Jun
5 wk after
4 Jul
5 wk after
Butter bean
Phaseolus lunatus
Season too short
9 – 16 Jun
3-4 wk
7 Jul
6 wk after
Onion
Allium cepa (Cepa-gruppen)
6 Mar – 3 Apr
25 Mar
8-12 wk
29 May
0 wk
8 Jun
1 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
22 May
9 Jun
1 wk before
22 May
30 May
1 wk before
Maize
Zea mays
Fleece
7 – 14 May
31 May
3-4 wk
4 Jun
21 Jun
1 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
3 – 10 May
7 Jul
3-4 wk
31 May
28 Jul
0 wk
8 Jun
18 Jul
1 wk after
Carrot
Daucus carota subsp. sativus var. sativus
29 May
8 Jul
0 wk
17 May
28 Jun
2 wk before
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
10 – 24 Apr
13 Jun
5-7 wk
29 May
18 Jul
0 wk
17 May
8 Jul
2 wk before
Potato
Solanum tuberosum
22 Apr – 6 May
18 May
4-6 wk
3 Jun
15 Jun
1 wk after
3 Jun
5 Jun
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
10 – 24 Apr
23 Jun
5-7 wk
29 May
28 Jul
0 wk
22 May
18 Jul
1 wk before
Pumpkin
Cucurbita pepo
2 – 9 Jun
15 Jun
3-4 wk
30 Jun
6 Jul
5 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
3 – 10 May
18 May
3-4 wk
31 May
8 Jun
0 wk
8 Jun
1 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
17 Apr – 1 May
25 Jun
4-6 wk
29 May
23 Jul
0 wk
Lettuce
Lactuca sativa
1 – 8 May
12 Jul
3-4 wk
29 May
2 Aug
0 wk
22 May
23 Jul
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
17 Apr – 1 May
25 Jun
4-6 wk
29 May
23 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
19 Apr – 3 May
30 May
2-4 wk
17 May
13 Jun
2 wk before
17 May
3 Jun
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
22 May
9 Jun
1 wk before
22 May
30 May
1 wk before
Spinach
Spinacia oleracea
1 – 8 May
27 Jul
3-4 wk
29 May
17 Aug
0 wk
11 May
7 Aug
3 wk before
Sweet potato
Ipomoea batatas
25 Jun – 9 Jul
4-6 wk
6 Aug
10 wk after
Garden tomato
Solanum lycopersicum
Fleece
9 – 23 Apr
10 May
6-8 wk
4 Jun
21 Jun
1 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
14 – 28 May
17 Jun
2-4 wk
11 Jun
1 Jul
2 wk after
4 Jul
5 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
17 Apr – 1 May
25 Jun
4-6 wk
29 May
23 Jul
0 wk
Garden pea
Pisum sativum
1 – 8 May
27 Jun
3-4 wk
29 May
18 Jul
0 wk
22 May
8 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
19 May – 2 Jun
24 May
4-6 wk
30 Jun
5 wk after
Lemon balm
Melissa officinalis
20 Mar – 3 Apr
23 May
8-10 wk
29 May
18 Jul
0 wk
19 Jun
8 Jul
3 wk after
Dill
Anethum graveolens
22 May
28 Jul
1 wk before
Wild chives
Allium schoenoprasum
3 – 17 Apr
6 Jun
6-8 wk
29 May
18 Jul
0 wk
22 May
8 Jul
1 wk before
Spearmint
Mentha spicata
6 Mar – 3 Apr
23 May
8-12 wk
29 May
18 Jul
0 wk
19 Jun
8 Jul
3 wk after
Coriander
Coriandrum sativum
29 May
17 Aug
0 wk
8 Jun
7 Aug
1 wk after
Garden sage
Salvia officinalis
22 Mar – 5 Apr
8 May
8-10 wk
31 May
3 Jul
0 wk
Common thyme
Thymus vulgaris
20 Mar – 3 Apr
13 May
8-10 wk
29 May
8 Jul
0 wk
Oregano
Origanum vulgare
3 – 17 Apr
27 May
6-8 wk
29 May
8 Jul
0 wk
19 Jun
28 Jun
3 wk after
Parsley
Petroselinum crispum
3 – 17 Apr
27 May
6-8 wk
29 May
8 Jul
0 wk
22 May
28 Jun
1 wk before
Rosemary
Salvia rosmarinus
22 Feb – 22 Mar
9 Apr
10-14 wk
31 May
18 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
2 – 9 Jun
3-4 wk
30 Jun
5 wk after
Cornflower
Centaurea cyanus
29 May
18 Jul
0 wk
22 May
8 Jul
1 wk before
Statice
Limonium sinuatum
2 – 16 Apr
4 May
8-10 wk
11 Jun
29 Jun
2 wk after
Sweet William
Dianthus barbatus
3 – 17 Apr
6-8 wk
29 May
0 wk
3 Jun
1 wk after
Snow-on-the-mountain
Euphorbia marginata
16 – 30 Apr
18 May
6-8 wk
11 Jun
29 Jun
2 wk after
6 Aug
10 wk after
Pinnate dahlia
Dahlia × pinnata
14 – 28 Apr
20 May
6-8 wk
9 Jun
1 Jul
2 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
24 Apr – 22 May
3 Jun
4-8 wk
19 Jun
1 Jul
3 wk after
19 Jun
21 Jun
3 wk after
Foxglove
Digitalis purpurea
20 Mar – 3 Apr
8-10 wk
29 May
0 wk
8 Jun
1 wk after
Busy lizzie
Impatiens walleriana
7 Apr – 5 May
26 Jun
8-12 wk
30 Jun
21 Aug
5 wk after
Creeping zinnia
Sanvitalia procumbens
16 – 30 Apr
28 May
6-8 wk
11 Jun
9 Jul
2 wk after
Hyacinth bean
Dolichos lablab
Season too short
30 Apr – 14 May
9 May
4-6 wk
11 Jun
2 wk after
Chinese lantern
Physalis alkekengi
22 Mar – 5 Apr
23 Apr
8-10 wk
31 May
18 Jun
0 wk
Love in a mist
Nigella damascena
29 May
3 Jul
0 wk
22 May
23 Jun
1 wk before
Strawflower
Xerochrysum bracteatum
16 – 30 Apr
8 May
6-8 wk
11 Jun
19 Jun
2 wk after
6 Aug
10 wk after
Purple-top vervain
Verbena bonariensis
8 Mar – 5 Apr
23 Apr
8-12 wk
31 May
18 Jun
0 wk
Cardoon
Cynara cardunculus
Fleece
12 Mar – 9 Apr
24 Mar
8-12 wk
4 Jun
1 wk after
Regal-foxtail
Ptilotus nobilis
Fleece
19 Mar – 16 Apr
1 May
8-12 wk
11 Jun
26 Jun
2 wk after
Globe amaranth
Gomphrena globosa
Fleece
16 – 30 Apr
15 May
6-8 wk
11 Jun
26 Jun
2 wk after
Corn poppy
Papaver rhoeas
29 May
18 Jul
0 wk
22 May
8 Jul
1 wk before
Snapdragon
Antirrhinum majus
6 Mar – 3 Apr
13 May
8-12 wk
29 May
8 Jul
0 wk
3 Jun
28 Jun
1 wk after
Flossflower
Ageratum houstonianum
21 Apr – 5 May
14 May
8-10 wk
30 Jun
9 Jul
5 wk after
Sweet pea
Lathyrus odoratus
3 – 24 Apr
3 Jun
5-8 wk
29 May
8 Jul
0 wk
Stock
Matthiola incana
3 – 17 Apr
6 Jun
6-8 wk
29 May
18 Jul
0 wk
8 Jun
8 Jul
1 wk after
Wormwood
Artemisia absinthium
3 – 17 Apr
7 May
6-8 wk
29 May
18 Jun
0 wk
8 Jun
8 Jun
1 wk after
Mexican sunflower
Tithonia rotundifolia
Fleece
30 Apr – 14 May
24 May
4-6 wk
11 Jun
21 Jun
2 wk after
Garden pansy
Viola × wittrockiana
20 Mar – 3 Apr
23 May
8-10 wk
29 May
18 Jul
0 wk
3 Jun
8 Jul
1 wk after
Petunia
Petunia
19 Mar – 16 Apr
4 May
8-12 wk
11 Jun
29 Jun
2 wk after
Sweet Scabious
Scabiosa atropurpurea
5 – 19 Apr
7 May
6-8 wk
31 May
18 Jun
0 wk
4 Jul
5 wk after
Common zinnia
Zinnia elegans
30 Apr – 14 May
8 Jun
4-6 wk
11 Jun
6 Jul
2 wk after
Common morning glory
Ipomoea purpurea
26 May – 9 Jun
31 May
3-5 wk
30 Jun
5 wk after
Garden cosmos
Cosmos bipinnatus
30 Apr – 14 May
3 Jun
4-6 wk
11 Jun
1 Jul
2 wk after
4 Jul
5 wk after
Scarlet milkweed
Asclepias curassavica
Fleece
7 Apr – 5 May
31 May
8-12 wk
30 Jun
26 Jul
5 wk after
Bee balm
Monarda didyma
6 Mar – 3 Apr
23 Apr
8-12 wk
29 May
18 Jun
0 wk
19 Jun
3 wk after
Yarrow
Achillea millefolium
3 – 17 Apr
7 Apr
6-8 wk
29 May
0 wk
8 Jun
1 wk after
Safflower
Carthamus tinctorius
29 May
18 Jun
0 wk
22 May
8 Jun
1 wk before
Iceland poppy
Papaver nudicaule
Season too short
3 – 17 Apr
27 May
6-8 wk
29 May
8 Jul
0 wk
20 Apr
28 Jun
6 wk before
Bishop's flower
Ammi majus
17 Apr – 1 May
10 Jun
4-6 wk
29 May
8 Jul
0 wk
8 Jun
28 Jun
1 wk after
Drumsticks
Pycnosorus globosus
Fleece
19 Mar – 2 Apr
2 Apr
10-12 wk
11 Jun
11 Jun
2 wk after
Sunflower
Helianthus annuus
14 – 21 May
17 Jun
3-4 wk
11 Jun
8 Jul
2 wk after
19 Jun
28 Jun
3 wk after
China aster
Callistephus chinensis
16 – 30 Apr
6 Jun
6-8 wk
11 Jun
18 Jul
2 wk after
4 Jul
8 Jul
5 wk after
Annual phlox
Phlox drummondii
9 – 23 Apr
28 May
6-8 wk
4 Jun
9 Jul
1 wk after
4 Jul
5 wk after
Hollyhock
Alcea rosea
3 – 17 Apr
6-8 wk
29 May
0 wk
8 Jun
1 wk after
Alpine delphinium
Delphinium elatum
6 Mar – 3 Apr
23 Apr
8-12 wk
29 May
18 Jun
0 wk
19 Jun
3 wk after
African marigold
Tagetes erecta
16 – 30 Apr
28 May
6-8 wk
11 Jun
9 Jul
2 wk after
Black-eyed Susan
Rudbeckia hirta
5 – 19 Apr
27 May
6-8 wk
31 May
8 Jul
0 wk
4 Jul
5 wk after
Wood sage
Salvia nemorosa
20 Mar – 3 Apr
13 Apr
8-10 wk
29 May
8 Jun
0 wk
19 Jun
3 wk after
Black-eyed susan vine
Thunbergia alata
21 Apr – 19 May
10 May
6-10 wk
30 Jun
5 wk after
California goldenpoppy
Eschscholzia californica
29 May
18 Jul
0 wk
22 May
8 Jul
1 wk before
Painted tongue
Salpiglossis sinuata
2 – 16 Apr
5 May
8-10 wk
11 Jun
30 Jun
2 wk after
Water forget-me-not
Myosotis scorpioides
3 – 17 Apr
7 May
6-8 wk
29 May
18 Jun
0 wk
8 Jun
8 Jun
1 wk after