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