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Method
Rel. frost
Last spring frost (0°C) 8 Jun Frost 1 of 4 years · 20 years of data
Frost-free season 104 days 8 Jun – 20 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)
20 Apr – 4 May
14 Jun
5-7 wk
8 Jun
19 Jul
0 wk
9 Jun
9 Jul
0 wk
Broccoli
Brassica oleracea (Italica-gruppen)
27 Apr – 11 May
26 Jun
4-6 wk
8 Jun
24 Jul
0 wk
9 Jun
14 Jul
0 wk
Chili pepper
Capsicum annuum
Greenhouse
27 Mar – 24 Apr
15 Apr
8-12 wk
19 Jun
2 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
20 Apr – 4 May
9 Jun
5-7 wk
8 Jun
14 Jul
0 wk
8 Jun
4 Jul
0 wk
Garden cucumber
Cucumis sativus
14 – 21 Jun
3-4 wk
12 Jul
5 wk after
Florence Fennel
Foeniculum vulgare
7 – 14 Jun
4-5 wk
12 Jul
5 wk after
21 Jul
6 wk after
Butter bean
Phaseolus lunatus
Season too short
21 – 28 Jun
3-4 wk
19 Jul
6 wk after
Onion
Allium cepa (Cepa-gruppen)
16 Mar – 13 Apr
30 Mar
8-12 wk
8 Jun
0 wk
21 Jun
2 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
9 Jun
14 Jun
0 wk
9 Jun
0 wk
Maize
Zea mays
31 May – 7 Jun
3-4 wk
28 Jun
3 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
17 – 24 May
3 Jul
3-4 wk
14 Jun
24 Jul
1 wk after
21 Jun
14 Jul
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
8 Jun
4 Jul
0 wk
8 Jun
24 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
20 Apr – 4 May
9 Jun
5-7 wk
8 Jun
14 Jul
0 wk
8 Jun
4 Jul
0 wk
Potato
Solanum tuberosum
7 – 21 May
27 May
4-6 wk
18 Jun
24 Jun
1 wk after
18 Jun
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
20 Apr – 4 May
19 Jun
5-7 wk
8 Jun
24 Jul
0 wk
9 Jun
14 Jul
0 wk
Pumpkin
Cucurbita pepo
14 – 21 Jun
14 Jun
3-4 wk
12 Jul
5 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
17 – 24 May
12 Jun
3-4 wk
14 Jun
3 Jul
1 wk after
21 Jun
23 Jun
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
27 Apr – 11 May
21 Jun
4-6 wk
8 Jun
19 Jul
0 wk
Lettuce
Lactuca sativa
11 – 18 May
8 Jul
3-4 wk
8 Jun
29 Jul
0 wk
9 Jun
19 Jul
0 wk
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
27 Apr – 11 May
21 Jun
4-6 wk
8 Jun
19 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
11 – 25 May
31 May
2-4 wk
8 Jun
14 Jun
0 wk
8 Jun
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
9 Jun
14 Jun
0 wk
9 Jun
0 wk
Spinach
Spinacia oleracea
11 – 18 May
23 Jul
3-4 wk
8 Jun
13 Aug
0 wk
5 Jun
3 Aug
0 wk
Sweet potato
Ipomoea batatas
3 – 17 Jul
4-6 wk
14 Aug
10 wk after
Garden tomato
Solanum lycopersicum
3 – 17 May
6-8 wk
28 Jun
3 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
31 May – 14 Jun
16 Jun
2-4 wk
28 Jun
30 Jun
3 wk after
21 Jul
6 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
27 Apr – 11 May
21 Jun
4-6 wk
8 Jun
19 Jul
0 wk
Garden pea
Pisum sativum
11 – 18 May
23 Jun
3-4 wk
8 Jun
14 Jul
0 wk
9 Jun
4 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
31 May – 14 Jun
4-6 wk
12 Jul
5 wk after
Lemon balm
Melissa officinalis
30 Mar – 13 Apr
19 May
8-10 wk
8 Jun
14 Jul
0 wk
3 Jul
4 Jul
4 wk after
Dill
Anethum graveolens
9 Jun
24 Jul
0 wk
Wild chives
Allium schoenoprasum
13 – 27 Apr
2 Jun
6-8 wk
8 Jun
14 Jul
0 wk
9 Jun
4 Jul
0 wk
Spearmint
Mentha spicata
16 Mar – 13 Apr
19 May
8-12 wk
8 Jun
14 Jul
0 wk
3 Jul
4 Jul
4 wk after
Coriander
Coriandrum sativum
8 Jun
13 Aug
0 wk
21 Jun
3 Aug
2 wk after
Garden sage
Salvia officinalis
5 – 19 Apr
4 May
8-10 wk
14 Jun
29 Jun
1 wk after
Common thyme
Thymus vulgaris
30 Mar – 13 Apr
9 May
8-10 wk
8 Jun
4 Jul
0 wk
Oregano
Origanum vulgare
13 – 27 Apr
23 May
6-8 wk
8 Jun
4 Jul
0 wk
3 Jul
4 wk after
Parsley
Petroselinum crispum
13 – 27 Apr
23 May
6-8 wk
8 Jun
4 Jul
0 wk
9 Jun
24 Jun
0 wk
Rosemary
Salvia rosmarinus
8 Mar – 5 Apr
2 Apr
10-14 wk
14 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
5 wk after
Cornflower
Centaurea cyanus
8 Jun
14 Jul
0 wk
9 Jun
4 Jul
0 wk
Statice
Limonium sinuatum
19 Apr – 3 May
29 Apr
8-10 wk
28 Jun
3 wk after
Sweet William
Dianthus barbatus
13 – 27 Apr
6-8 wk
8 Jun
0 wk
18 Jun
1 wk after
Snow-on-the-mountain
Euphorbia marginata
3 – 17 May
13 May
6-8 wk
28 Jun
3 wk after
14 Aug
10 wk after
Pinnate dahlia
Dahlia × pinnata
28 Apr – 12 May
23 May
6-8 wk
23 Jun
4 Jul
2 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
8 May – 5 Jun
6 Jun
4-8 wk
3 Jul
4 Jul
4 wk after
3 Jul
4 wk after
Foxglove
Digitalis purpurea
30 Mar – 13 Apr
8-10 wk
8 Jun
0 wk
21 Jun
2 wk after
Busy lizzie
Impatiens walleriana
19 Apr – 17 May
18 Jun
8-12 wk
12 Jul
13 Aug
5 wk after
Creeping zinnia
Sanvitalia procumbens
3 – 17 May
23 May
6-8 wk
28 Jun
4 Jul
3 wk after
Hyacinth bean
Dolichos lablab
Season too short
17 – 31 May
4-6 wk
28 Jun
3 wk after
Chinese lantern
Physalis alkekengi
5 – 19 Apr
19 Apr
8-10 wk
14 Jun
14 Jun
1 wk after
Love in a mist
Nigella damascena
8 Jun
29 Jun
0 wk
9 Jun
19 Jun
0 wk
Strawflower
Xerochrysum bracteatum
3 – 17 May
3 May
6-8 wk
28 Jun
3 wk after
14 Aug
10 wk after
Purple-top vervain
Verbena bonariensis
22 Mar – 19 Apr
19 Apr
8-12 wk
14 Jun
14 Jun
1 wk after
Cardoon
Cynara cardunculus
Fleece
27 Mar – 24 Apr
8-12 wk
19 Jun
2 wk after
Regal-foxtail
Ptilotus nobilis
19 Apr – 17 May
8-12 wk
12 Jul
5 wk after
Globe amaranth
Gomphrena globosa
17 – 31 May
6-8 wk
12 Jul
5 wk after
Corn poppy
Papaver rhoeas
8 Jun
14 Jul
0 wk
9 Jun
4 Jul
0 wk
Snapdragon
Antirrhinum majus
16 Mar – 13 Apr
9 May
8-12 wk
8 Jun
4 Jul
0 wk
18 Jun
24 Jun
1 wk after
Flossflower
Ageratum houstonianum
3 – 17 May
9 May
8-10 wk
12 Jul
5 wk after
Sweet pea
Lathyrus odoratus
13 Apr – 4 May
30 May
5-8 wk
8 Jun
4 Jul
0 wk
Stock
Matthiola incana
13 – 27 Apr
2 Jun
6-8 wk
8 Jun
14 Jul
0 wk
21 Jun
4 Jul
2 wk after
Wormwood
Artemisia absinthium
13 – 27 Apr
3 May
6-8 wk
8 Jun
14 Jun
0 wk
21 Jun
2 wk after
Mexican sunflower
Tithonia rotundifolia
31 May – 14 Jun
4-6 wk
12 Jul
5 wk after
Garden pansy
Viola × wittrockiana
30 Mar – 13 Apr
19 May
8-10 wk
8 Jun
14 Jul
0 wk
18 Jun
4 Jul
1 wk after
Petunia
Petunia
5 Apr – 3 May
29 Apr
8-12 wk
28 Jun
3 wk after
Sweet Scabious
Scabiosa atropurpurea
19 Apr – 3 May
3 May
6-8 wk
14 Jun
14 Jun
1 wk after
21 Jul
6 wk after
Common zinnia
Zinnia elegans
17 – 31 May
31 May
4-6 wk
28 Jun
28 Jun
3 wk after
Common morning glory
Ipomoea purpurea
7 – 21 Jun
3-5 wk
12 Jul
5 wk after
Garden cosmos
Cosmos bipinnatus
17 – 31 May
6 Jun
4-6 wk
28 Jun
4 Jul
3 wk after
21 Jul
6 wk after
Scarlet milkweed
Asclepias curassavica
Fleece
19 Apr – 17 May
23 May
8-12 wk
12 Jul
18 Jul
5 wk after
Bee balm
Monarda didyma
16 Mar – 13 Apr
19 Apr
8-12 wk
8 Jun
14 Jun
0 wk
3 Jul
4 wk after
Yarrow
Achillea millefolium
13 – 27 Apr
6-8 wk
8 Jun
0 wk
21 Jun
2 wk after
Safflower
Carthamus tinctorius
8 Jun
14 Jun
0 wk
9 Jun
0 wk
Iceland poppy
Papaver nudicaule
Season too short
13 – 27 Apr
23 May
6-8 wk
8 Jun
4 Jul
0 wk
23 May
24 Jun
2 wk before
Bishop's flower
Ammi majus
27 Apr – 11 May
6 Jun
4-6 wk
8 Jun
4 Jul
0 wk
21 Jun
24 Jun
2 wk after
Drumsticks
Pycnosorus globosus
Fleece
5 – 19 Apr
5 Apr
10-12 wk
28 Jun
3 wk after
Sunflower
Helianthus annuus
31 May – 7 Jun
10 Jun
3-4 wk
28 Jun
1 Jul
3 wk after
3 Jul
4 wk after
China aster
Callistephus chinensis
3 – 17 May
30 May
6-8 wk
28 Jun
11 Jul
3 wk after
21 Jul
6 wk after
Annual phlox
Phlox drummondii
24 Apr – 8 May
23 May
6-8 wk
19 Jun
4 Jul
2 wk after
21 Jul
6 wk after
Hollyhock
Alcea rosea
13 – 27 Apr
6-8 wk
8 Jun
0 wk
21 Jun
2 wk after
Alpine delphinium
Delphinium elatum
16 Mar – 13 Apr
19 Apr
8-12 wk
8 Jun
14 Jun
0 wk
3 Jul
4 wk after
African marigold
Tagetes erecta
3 – 17 May
23 May
6-8 wk
28 Jun
4 Jul
3 wk after
Black-eyed Susan
Rudbeckia hirta
19 Apr – 3 May
20 May
6-8 wk
14 Jun
1 Jul
1 wk after
21 Jul
6 wk after
Wood sage
Salvia nemorosa
30 Mar – 13 Apr
9 Apr
8-10 wk
8 Jun
0 wk
3 Jul
4 wk after
Black-eyed susan vine
Thunbergia alata
3 – 31 May
9 May
6-10 wk
12 Jul
5 wk after
California goldenpoppy
Eschscholzia californica
8 Jun
14 Jul
0 wk
9 Jun
4 Jul
0 wk
Painted tongue
Salpiglossis sinuata
19 Apr – 3 May
29 Apr
8-10 wk
28 Jun
3 wk after
Water forget-me-not
Myosotis scorpioides
13 – 27 Apr
3 May
6-8 wk
8 Jun
14 Jun
0 wk
21 Jun
2 wk after