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