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Method
Rel. frost
Last spring frost (0°C) 7 Jun Frost 1 of 4 years · 20 years of data
Frost-free season 105 days 7 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)
19 Apr – 3 May
14 Jun
5-7 wk
7 Jun
19 Jul
0 wk
11 Jun
9 Jul
1 wk after
Broccoli
Brassica oleracea (Italica-gruppen)
26 Apr – 10 May
26 Jun
4-6 wk
7 Jun
24 Jul
0 wk
11 Jun
14 Jul
1 wk after
Chili pepper
Capsicum annuum
Greenhouse
21 Mar – 18 Apr
30 Mar
8-12 wk
13 Jun
1 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
19 Apr – 3 May
9 Jun
5-7 wk
7 Jun
14 Jul
0 wk
7 Jun
4 Jul
0 wk
Garden cucumber
Cucumis sativus
Fleece
23 – 30 May
24 May
3-4 wk
20 Jun
2 wk after
Florence Fennel
Foeniculum vulgare
Fleece
16 – 23 May
6 Jun
4-5 wk
20 Jun
4 Jul
2 wk after
12 Jul
5 wk after
Butter bean
Phaseolus lunatus
Season too short
18 – 25 Jun
3-4 wk
16 Jul
6 wk after
Onion
Allium cepa (Cepa-gruppen)
Fleece
15 Mar – 12 Apr
30 Mar
8-12 wk
7 Jun
0 wk
17 Jun
1 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
11 Jun
1 wk after
11 Jun
1 wk after
Maize
Zea mays
Fleece
16 – 23 May
3-4 wk
13 Jun
1 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
12 – 19 May
3 Jul
3-4 wk
9 Jun
24 Jul
0 wk
28 Jun
14 Jul
3 wk after
Carrot
Daucus carota subsp. sativus var. sativus
7 Jun
4 Jul
0 wk
7 Jun
24 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
19 Apr – 3 May
9 Jun
5-7 wk
7 Jun
14 Jul
0 wk
7 Jun
4 Jul
0 wk
Potato
Solanum tuberosum
12 – 26 May
20 May
4-6 wk
23 Jun
2 wk after
23 Jun
2 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
19 Apr – 3 May
19 Jun
5-7 wk
7 Jun
24 Jul
0 wk
11 Jun
14 Jul
1 wk after
Pumpkin
Cucurbita pepo
Fleece
23 – 30 May
20 Jun
3-4 wk
20 Jun
11 Jul
2 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
12 – 19 May
19 May
3-4 wk
9 Jun
9 Jun
0 wk
28 Jun
3 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
26 Apr – 10 May
21 Jun
4-6 wk
7 Jun
19 Jul
0 wk
Lettuce
Lactuca sativa
10 – 17 May
8 Jul
3-4 wk
7 Jun
29 Jul
0 wk
11 Jun
19 Jul
1 wk after
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
26 Apr – 10 May
21 Jun
4-6 wk
7 Jun
19 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
10 – 24 May
30 May
2-4 wk
7 Jun
13 Jun
0 wk
7 Jun
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
11 Jun
1 wk after
11 Jun
1 wk after
Spinach
Spinacia oleracea
10 – 17 May
23 Jul
3-4 wk
7 Jun
13 Aug
0 wk
3 Jun
3 Aug
1 wk before
Sweet potato
Ipomoea batatas
9 – 23 Jul
4-6 wk
20 Aug
11 wk after
Garden tomato
Solanum lycopersicum
Fleece
18 Apr – 2 May
23 Apr
6-8 wk
13 Jun
1 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
23 May – 6 Jun
31 May
2-4 wk
20 Jun
2 wk after
26 Jul
7 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
26 Apr – 10 May
21 Jun
4-6 wk
7 Jun
19 Jul
0 wk
Garden pea
Pisum sativum
10 – 17 May
23 Jun
3-4 wk
7 Jun
14 Jul
0 wk
11 Jun
4 Jul
1 wk after

Herbs

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