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Method
Rel. frost
Last spring frost (0°C) 12 Jun Frost 1 of 4 years · 20 years of data
Frost-free season 91 days 12 Jun – 11 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)
24 Apr – 8 May
16 Jun
5-7 wk
12 Jun
21 Jul
0 wk
16 Jun
11 Jul
1 wk after
Broccoli
Brassica oleracea (Italica-gruppen)
1 – 15 May
28 Jun
4-6 wk
12 Jun
26 Jul
0 wk
16 Jun
16 Jul
1 wk after
Chili pepper
Capsicum annuum
Season too short
26 Mar – 23 Apr
31 Mar
8-12 wk
18 Jun
1 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
24 Apr – 8 May
11 Jun
5-7 wk
12 Jun
16 Jul
0 wk
12 Jun
6 Jul
0 wk
Garden cucumber
Cucumis sativus
Fleece
28 May – 4 Jun
3-4 wk
25 Jun
2 wk after
Florence Fennel
Foeniculum vulgare
Fleece
21 – 28 May
2 Jun
4-5 wk
25 Jun
30 Jun
2 wk after
17 Jul
5 wk after
Butter bean
Phaseolus lunatus
Season too short
23 – 30 Jun
3-4 wk
21 Jul
6 wk after
Onion
Allium cepa (Cepa-gruppen)
Greenhouse
20 Mar – 17 Apr
1 Apr
8-12 wk
12 Jun
0 wk
12 Jun
0 wk
Onion (sets)
Allium cepa (Cepa-gruppen)
16 Jun
1 wk after
16 Jun
1 wk after
Maize
Zea mays
Fleece
21 – 28 May
3-4 wk
18 Jun
1 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
17 – 24 May
29 Jun
3-4 wk
14 Jun
20 Jul
0 wk
3 Jul
10 Jul
3 wk after
Carrot
Daucus carota subsp. sativus var. sativus
12 Jun
6 Jul
0 wk
12 Jun
26 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
24 Apr – 8 May
11 Jun
5-7 wk
12 Jun
16 Jul
0 wk
12 Jun
6 Jul
0 wk
Potato
Solanum tuberosum
17 – 31 May
4-6 wk
28 Jun
2 wk after
28 Jun
2 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
24 Apr – 8 May
21 Jun
5-7 wk
12 Jun
26 Jul
0 wk
16 Jun
16 Jul
1 wk after
Pumpkin
Cucurbita pepo
Fleece
28 May – 4 Jun
15 Jun
3-4 wk
25 Jun
6 Jul
2 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
17 – 24 May
19 May
3-4 wk
14 Jun
0 wk
3 Jul
3 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
1 – 15 May
23 Jun
4-6 wk
12 Jun
21 Jul
0 wk
Lettuce
Lactuca sativa
15 – 22 May
10 Jul
3-4 wk
12 Jun
31 Jul
0 wk
16 Jun
21 Jul
1 wk after
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
1 – 15 May
23 Jun
4-6 wk
12 Jun
21 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
15 – 29 May
26 May
2-4 wk
12 Jun
0 wk
12 Jun
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
16 Jun
1 wk after
16 Jun
1 wk after
Spinach
Spinacia oleracea
15 – 22 May
25 Jul
3-4 wk
12 Jun
15 Aug
0 wk
8 Jun
5 Aug
1 wk before
Sweet potato
Ipomoea batatas
14 – 28 Jul
4-6 wk
25 Aug
11 wk after
Garden tomato
Solanum lycopersicum
Fleece
23 Apr – 7 May
24 Apr
6-8 wk
18 Jun
1 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
28 May – 11 Jun
1 Jun
2-4 wk
25 Jun
2 wk after
31 Jul
7 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
1 – 15 May
23 Jun
4-6 wk
12 Jun
21 Jul
0 wk
Garden pea
Pisum sativum
15 – 22 May
25 Jun
3-4 wk
12 Jun
16 Jul
0 wk
16 Jun
6 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
14 – 28 May
24 May
4-6 wk
25 Jun
2 wk after
Lemon balm
Melissa officinalis
3 – 17 Apr
21 May
8-10 wk
12 Jun
16 Jul
0 wk
17 Jul
5 wk after
Dill
Anethum graveolens
16 Jun
20 Jul
1 wk after
Wild chives
Allium schoenoprasum
17 Apr – 1 May
4 Jun
6-8 wk
12 Jun
16 Jul
0 wk
16 Jun
6 Jul
1 wk after
Spearmint
Mentha spicata
20 Mar – 17 Apr
21 May
8-12 wk
12 Jun
16 Jul
0 wk
17 Jul
5 wk after
Coriander
Coriandrum sativum
12 Jun
9 Aug
0 wk
3 Jul
30 Jul
3 wk after
Garden sage
Salvia officinalis
5 – 19 Apr
6 May
8-10 wk
14 Jun
1 Jul
0 wk
Common thyme
Thymus vulgaris
3 – 17 Apr
11 May
8-10 wk
12 Jun
6 Jul
0 wk
Oregano
Origanum vulgare
17 Apr – 1 May
25 May
6-8 wk
12 Jun
6 Jul
0 wk
17 Jul
5 wk after
Parsley
Petroselinum crispum
17 Apr – 1 May
25 May
6-8 wk
12 Jun
6 Jul
0 wk
16 Jun
26 Jun
1 wk after
Rosemary
Salvia rosmarinus
8 Mar – 5 Apr
26 Mar
10-14 wk
14 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
28 May – 4 Jun
31 May
3-4 wk
25 Jun
2 wk after
Cornflower
Centaurea cyanus
12 Jun
16 Jul
0 wk
16 Jun
6 Jul
1 wk after
Statice
Limonium sinuatum
16 – 30 Apr
21 Apr
8-10 wk
25 Jun
2 wk after
Sweet William
Dianthus barbatus
17 Apr – 1 May
6-8 wk
12 Jun
0 wk
28 Jun
2 wk after
Snow-on-the-mountain
Euphorbia marginata
30 Apr – 14 May
5 May
6-8 wk
25 Jun
2 wk after
25 Aug
11 wk after
Pinnate dahlia
Dahlia × pinnata
28 Apr – 12 May
9 May
6-8 wk
23 Jun
2 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
Fleece
8 May – 5 Jun
4 Jun
4-8 wk
3 Jul
3 wk after
3 Jul
3 wk after
Foxglove
Digitalis purpurea
3 – 17 Apr
8-10 wk
12 Jun
0 wk
3 Jul
3 wk after
Busy lizzie
Impatiens walleriana
21 Apr – 19 May
11 Jun
8-12 wk
14 Jul
6 Aug
5 wk after
Creeping zinnia
Sanvitalia procumbens
30 Apr – 14 May
15 May
6-8 wk
25 Jun
26 Jun
2 wk after
Hyacinth bean
Dolichos lablab
Season too short
14 – 28 May
4-6 wk
25 Jun
2 wk after
Chinese lantern
Physalis alkekengi
5 – 19 Apr
15 Apr
8-10 wk
14 Jun
0 wk
Love in a mist
Nigella damascena
12 Jun
1 Jul
0 wk
16 Jun
21 Jun
1 wk after
Strawflower
Xerochrysum bracteatum
30 Apr – 14 May
6-8 wk
25 Jun
2 wk after
25 Aug
11 wk after
Purple-top vervain
Verbena bonariensis
22 Mar – 19 Apr
15 Apr
8-12 wk
14 Jun
0 wk
Cardoon
Cynara cardunculus
Greenhouse
20 Mar – 17 Apr
22 Mar
8-12 wk
12 Jun
0 wk
Regal-foxtail
Ptilotus nobilis
Fleece
2 – 30 Apr
16 Apr
8-12 wk
25 Jun
2 wk after
Globe amaranth
Gomphrena globosa
Fleece
30 Apr – 14 May
30 Apr
6-8 wk
25 Jun
2 wk after
Corn poppy
Papaver rhoeas
12 Jun
16 Jul
0 wk
16 Jun
6 Jul
1 wk after
Snapdragon
Antirrhinum majus
20 Mar – 17 Apr
11 May
8-12 wk
12 Jun
6 Jul
0 wk
28 Jun
2 wk after
Flossflower
Ageratum houstonianum
Fleece
16 – 30 Apr
12 May
8-10 wk
25 Jun
7 Jul
2 wk after
Sweet pea
Lathyrus odoratus
17 Apr – 8 May
1 Jun
5-8 wk
12 Jun
6 Jul
0 wk
Stock
Matthiola incana
17 Apr – 1 May
4 Jun
6-8 wk
12 Jun
16 Jul
0 wk
3 Jul
6 Jul
3 wk after
Wormwood
Artemisia absinthium
17 Apr – 1 May
5 May
6-8 wk
12 Jun
16 Jun
0 wk
3 Jul
3 wk after
Mexican sunflower
Tithonia rotundifolia
Fleece
14 – 28 May
4-6 wk
25 Jun
2 wk after
Garden pansy
Viola × wittrockiana
3 – 17 Apr
21 May
8-10 wk
12 Jun
16 Jul
0 wk
28 Jun
6 Jul
2 wk after
Petunia
Petunia
2 – 30 Apr
21 Apr
8-12 wk
25 Jun
2 wk after
Sweet Scabious
Scabiosa atropurpurea
19 Apr – 3 May
29 Apr
6-8 wk
14 Jun
0 wk
31 Jul
7 wk after
Common zinnia
Zinnia elegans
14 – 28 May
24 May
4-6 wk
25 Jun
2 wk after
Common morning glory
Ipomoea purpurea
Fleece
21 May – 4 Jun
31 May
3-5 wk
25 Jun
2 wk after
Garden cosmos
Cosmos bipinnatus
14 – 28 May
23 May
4-6 wk
25 Jun
2 wk after
31 Jul
7 wk after
Scarlet milkweed
Asclepias curassavica
Fleece
21 Apr – 19 May
16 May
8-12 wk
14 Jul
5 wk after
Bee balm
Monarda didyma
20 Mar – 17 Apr
21 Apr
8-12 wk
12 Jun
16 Jun
0 wk
17 Jul
5 wk after
Yarrow
Achillea millefolium
17 Apr – 1 May
6-8 wk
12 Jun
0 wk
3 Jul
3 wk after
Safflower
Carthamus tinctorius
12 Jun
16 Jun
0 wk
16 Jun
1 wk after
Iceland poppy
Papaver nudicaule
Season too short
17 Apr – 1 May
25 May
6-8 wk
12 Jun
6 Jul
0 wk
25 May
26 Jun
3 wk before
Bishop's flower
Ammi majus
1 – 15 May
8 Jun
4-6 wk
12 Jun
6 Jul
0 wk
3 Jul
3 wk after
Drumsticks
Pycnosorus globosus
Greenhouse
26 Mar – 9 Apr
3 Apr
10-12 wk
18 Jun
1 wk after
Sunflower
Helianthus annuus
28 May – 4 Jun
3 Jun
3-4 wk
25 Jun
2 wk after
17 Jul
5 wk after
China aster
Callistephus chinensis
30 Apr – 14 May
23 May
6-8 wk
25 Jun
4 Jul
2 wk after
31 Jul
7 wk after
Annual phlox
Phlox drummondii
23 Apr – 7 May
15 May
6-8 wk
18 Jun
26 Jun
1 wk after
31 Jul
7 wk after
Hollyhock
Alcea rosea
17 Apr – 1 May
6-8 wk
12 Jun
0 wk
3 Jul
3 wk after
Alpine delphinium
Delphinium elatum
20 Mar – 17 Apr
21 Apr
8-12 wk
12 Jun
16 Jun
0 wk
17 Jul
5 wk after
African marigold
Tagetes erecta
30 Apr – 14 May
15 May
6-8 wk
25 Jun
26 Jun
2 wk after
Black-eyed Susan
Rudbeckia hirta
19 Apr – 3 May
13 May
6-8 wk
14 Jun
24 Jun
0 wk
31 Jul
7 wk after
Wood sage
Salvia nemorosa
3 – 17 Apr
11 Apr
8-10 wk
12 Jun
0 wk
17 Jul
5 wk after
Black-eyed susan vine
Thunbergia alata
Fleece
16 Apr – 14 May
10 May
6-10 wk
25 Jun
2 wk after
California goldenpoppy
Eschscholzia californica
12 Jun
16 Jul
0 wk
16 Jun
6 Jul
1 wk after
Painted tongue
Salpiglossis sinuata
16 – 30 Apr
18 Apr
8-10 wk
25 Jun
2 wk after
Water forget-me-not
Myosotis scorpioides
17 Apr – 1 May
5 May
6-8 wk
12 Jun
16 Jun
0 wk
3 Jul
3 wk after