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Method
Rel. frost
Last spring frost (0°C) 2 Jun Frost 1 of 10 years · 20 years of data
Frost-free season 134 days 2 Jun – 14 Oct
Probability that frost is over

90% = 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)
14 – 28 Apr
12 Jun
5-7 wk
2 Jun
17 Jul
0 wk
3 Jun
7 Jul
0 wk
Broccoli
Brassica oleracea (Italica-gruppen)
21 Apr – 5 May
24 Jun
4-6 wk
2 Jun
22 Jul
0 wk
3 Jun
12 Jul
0 wk
Chili pepper
Capsicum annuum
Season too short
21 Mar – 18 Apr
8-12 wk
13 Jun
2 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
14 – 28 Apr
7 Jun
5-7 wk
2 Jun
12 Jul
0 wk
2 Jun
2 Jul
0 wk
Garden cucumber
Cucumis sativus
Greenhouse
16 – 23 May
3-4 wk
13 Jun
2 wk after
Florence Fennel
Foeniculum vulgare
1 – 8 Jun
4 Jun
4-5 wk
6 Jul
5 wk after
15 Jul
6 wk after
Butter bean
Phaseolus lunatus
Season too short
15 – 22 Jun
3-4 wk
13 Jul
6 wk after
Onion
Allium cepa (Cepa-gruppen)
10 Mar – 7 Apr
28 Mar
8-12 wk
2 Jun
0 wk
15 Jun
2 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
3 Jun
12 Jun
0 wk
3 Jun
0 wk
Maize
Zea mays
Season too short
9 – 16 May
3-4 wk
6 Jun
1 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
11 – 18 May
1 Jul
3-4 wk
8 Jun
22 Jul
1 wk after
15 Jun
12 Jul
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
2 Jun
2 Jul
0 wk
2 Jun
22 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
14 – 28 Apr
7 Jun
5-7 wk
2 Jun
12 Jul
0 wk
2 Jun
2 Jul
0 wk
Potato
Solanum tuberosum
1 – 15 May
3 Jun
4-6 wk
12 Jun
1 Jul
1 wk after
12 Jun
21 Jun
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
14 – 28 Apr
17 Jun
5-7 wk
2 Jun
22 Jul
0 wk
3 Jun
12 Jul
0 wk
Pumpkin
Cucurbita pepo
Fleece
25 May – 1 Jun
3-4 wk
22 Jun
3 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
11 – 18 May
16 Jun
3-4 wk
8 Jun
7 Jul
1 wk after
15 Jun
27 Jun
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
21 Apr – 5 May
19 Jun
4-6 wk
2 Jun
17 Jul
0 wk
Lettuce
Lactuca sativa
5 – 12 May
6 Jul
3-4 wk
2 Jun
27 Jul
0 wk
3 Jun
17 Jul
0 wk
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
21 Apr – 5 May
19 Jun
4-6 wk
2 Jun
17 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
5 – 19 May
29 May
2-4 wk
2 Jun
12 Jun
0 wk
2 Jun
2 Jun
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
3 Jun
12 Jun
0 wk
3 Jun
0 wk
Spinach
Spinacia oleracea
5 – 12 May
21 Jul
3-4 wk
2 Jun
11 Aug
0 wk
30 May
1 Aug
0 wk
Sweet potato
Ipomoea batatas
27 Jun – 11 Jul
4-6 wk
8 Aug
10 wk after
Garden tomato
Solanum lycopersicum
Season too short
11 – 25 Apr
6-8 wk
6 Jun
1 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Fleece
16 – 30 May
2-4 wk
13 Jun
2 wk after
27 Jun
4 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
21 Apr – 5 May
19 Jun
4-6 wk
2 Jun
17 Jul
0 wk
Garden pea
Pisum sativum
5 – 12 May
21 Jun
3-4 wk
2 Jun
12 Jul
0 wk
3 Jun
2 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
Greenhouse
2 – 16 May
10 May
4-6 wk
13 Jun
2 wk after
Lemon balm
Melissa officinalis
24 Mar – 7 Apr
17 May
8-10 wk
2 Jun
12 Jul
0 wk
27 Jun
2 Jul
4 wk after
Dill
Anethum graveolens
3 Jun
22 Jul
0 wk
Wild chives
Allium schoenoprasum
7 – 21 Apr
31 May
6-8 wk
2 Jun
12 Jul
0 wk
3 Jun
2 Jul
0 wk
Spearmint
Mentha spicata
10 Mar – 7 Apr
17 May
8-12 wk
2 Jun
12 Jul
0 wk
27 Jun
2 Jul
4 wk after
Coriander
Coriandrum sativum
2 Jun
11 Aug
0 wk
15 Jun
1 Aug
2 wk after
Garden sage
Salvia officinalis
30 Mar – 13 Apr
2 May
8-10 wk
8 Jun
27 Jun
1 wk after
Common thyme
Thymus vulgaris
24 Mar – 7 Apr
7 May
8-10 wk
2 Jun
2 Jul
0 wk
Oregano
Origanum vulgare
7 – 21 Apr
21 May
6-8 wk
2 Jun
2 Jul
0 wk
27 Jun
4 wk after
Parsley
Petroselinum crispum
7 – 21 Apr
21 May
6-8 wk
2 Jun
2 Jul
0 wk
3 Jun
22 Jun
0 wk
Rosemary
Salvia rosmarinus
2 – 30 Mar
3 Apr
10-14 wk
8 Jun
12 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
Greenhouse
16 – 23 May
17 May
3-4 wk
13 Jun
2 wk after
Cornflower
Centaurea cyanus
2 Jun
12 Jul
0 wk
3 Jun
2 Jul
0 wk
Statice
Limonium sinuatum
Fleece
4 – 18 Apr
5 Apr
8-10 wk
13 Jun
2 wk after
Sweet William
Dianthus barbatus
7 – 21 Apr
6-8 wk
2 Jun
0 wk
12 Jun
1 wk after
Snow-on-the-mountain
Euphorbia marginata
Fleece
18 Apr – 2 May
19 Apr
6-8 wk
13 Jun
2 wk after
22 Jul
7 wk after
Pinnate dahlia
Dahlia × pinnata
22 Apr – 6 May
6-8 wk
17 Jun
2 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
Fleece
20 Apr – 18 May
11 May
4-8 wk
15 Jun
2 wk after
15 Jun
2 wk after
Foxglove
Digitalis purpurea
24 Mar – 7 Apr
8-10 wk
2 Jun
0 wk
15 Jun
2 wk after
Busy lizzie
Impatiens walleriana
13 Apr – 11 May
8 May
8-12 wk
6 Jul
5 wk after
Creeping zinnia
Sanvitalia procumbens
Fleece
18 Apr – 2 May
29 Apr
6-8 wk
13 Jun
2 wk after
Hyacinth bean
Dolichos lablab
Season too short
11 – 25 May
4-6 wk
22 Jun
3 wk after
Chinese lantern
Physalis alkekengi
30 Mar – 13 Apr
17 Apr
8-10 wk
8 Jun
12 Jun
1 wk after
Love in a mist
Nigella damascena
2 Jun
27 Jun
0 wk
3 Jun
17 Jun
0 wk
Strawflower
Xerochrysum bracteatum
Fleece
18 Apr – 2 May
6-8 wk
13 Jun
2 wk after
22 Jul
7 wk after
Purple-top vervain
Verbena bonariensis
16 Mar – 13 Apr
17 Apr
8-12 wk
8 Jun
12 Jun
1 wk after
Cardoon
Cynara cardunculus
Fleece
21 Mar – 18 Apr
8-12 wk
13 Jun
2 wk after
Regal-foxtail
Ptilotus nobilis
Greenhouse
21 Mar – 18 Apr
2 Apr
8-12 wk
13 Jun
2 wk after
Globe amaranth
Gomphrena globosa
Greenhouse
18 Apr – 2 May
6-8 wk
13 Jun
2 wk after
Corn poppy
Papaver rhoeas
2 Jun
12 Jul
0 wk
3 Jun
2 Jul
0 wk
Snapdragon
Antirrhinum majus
10 Mar – 7 Apr
7 May
8-12 wk
2 Jun
2 Jul
0 wk
12 Jun
22 Jun
1 wk after
Flossflower
Ageratum houstonianum
Fleece
13 – 27 Apr
15 Apr
8-10 wk
22 Jun
3 wk after
Sweet pea
Lathyrus odoratus
7 – 28 Apr
28 May
5-8 wk
2 Jun
2 Jul
0 wk
Stock
Matthiola incana
7 – 21 Apr
31 May
6-8 wk
2 Jun
12 Jul
0 wk
15 Jun
2 Jul
2 wk after
Wormwood
Artemisia absinthium
7 – 21 Apr
1 May
6-8 wk
2 Jun
12 Jun
0 wk
15 Jun
2 wk after
Mexican sunflower
Tithonia rotundifolia
Greenhouse
2 – 16 May
4-6 wk
13 Jun
2 wk after
Garden pansy
Viola × wittrockiana
24 Mar – 7 Apr
17 May
8-10 wk
2 Jun
12 Jul
0 wk
12 Jun
2 Jul
1 wk after
Petunia
Petunia
Fleece
21 Mar – 18 Apr
5 Apr
8-12 wk
13 Jun
2 wk after
Sweet Scabious
Scabiosa atropurpurea
13 – 27 Apr
1 May
6-8 wk
8 Jun
12 Jun
1 wk after
15 Jul
6 wk after
Common zinnia
Zinnia elegans
Fleece
2 – 16 May
10 May
4-6 wk
13 Jun
2 wk after
Common morning glory
Ipomoea purpurea
Greenhouse
9 – 23 May
17 May
3-5 wk
13 Jun
2 wk after
Garden cosmos
Cosmos bipinnatus
Fleece
2 – 16 May
11 May
4-6 wk
13 Jun
2 wk after
27 Jun
4 wk after
Scarlet milkweed
Asclepias curassavica
Fleece
13 Apr – 11 May
8-12 wk
6 Jul
5 wk after
Bee balm
Monarda didyma
10 Mar – 7 Apr
17 Apr
8-12 wk
2 Jun
12 Jun
0 wk
27 Jun
4 wk after
Yarrow
Achillea millefolium
7 – 21 Apr
6-8 wk
2 Jun
0 wk
15 Jun
2 wk after
Safflower
Carthamus tinctorius
2 Jun
12 Jun
0 wk
3 Jun
0 wk
Iceland poppy
Papaver nudicaule
Season too short
7 – 21 Apr
21 May
6-8 wk
2 Jun
2 Jul
0 wk
17 May
22 Jun
2 wk before
Bishop's flower
Ammi majus
21 Apr – 5 May
4 Jun
4-6 wk
2 Jun
2 Jul
0 wk
15 Jun
22 Jun
2 wk after
Drumsticks
Pycnosorus globosus
Greenhouse
21 Mar – 4 Apr
10-12 wk
13 Jun
2 wk after
Sunflower
Helianthus annuus
25 May – 1 Jun
11 Jun
3-4 wk
22 Jun
2 Jul
3 wk after
27 Jun
4 wk after
China aster
Callistephus chinensis
27 Apr – 11 May
31 May
6-8 wk
22 Jun
12 Jul
3 wk after
15 Jul
6 wk after
Annual phlox
Phlox drummondii
18 Apr – 2 May
6-8 wk
13 Jun
2 wk after
15 Jul
6 wk after
Hollyhock
Alcea rosea
7 – 21 Apr
6-8 wk
2 Jun
0 wk
15 Jun
2 wk after
Alpine delphinium
Delphinium elatum
10 Mar – 7 Apr
17 Apr
8-12 wk
2 Jun
12 Jun
0 wk
27 Jun
4 wk after
African marigold
Tagetes erecta
Fleece
18 Apr – 2 May
29 Apr
6-8 wk
13 Jun
2 wk after
Black-eyed Susan
Rudbeckia hirta
13 – 27 Apr
21 May
6-8 wk
8 Jun
2 Jul
1 wk after
15 Jul
6 wk after
Wood sage
Salvia nemorosa
24 Mar – 7 Apr
7 Apr
8-10 wk
2 Jun
2 Jun
0 wk
27 Jun
4 wk after
Black-eyed susan vine
Thunbergia alata
Greenhouse
4 Apr – 2 May
26 Apr
6-10 wk
13 Jun
2 wk after
California goldenpoppy
Eschscholzia californica
2 Jun
12 Jul
0 wk
3 Jun
2 Jul
0 wk
Painted tongue
Salpiglossis sinuata
13 – 27 Apr
7 May
8-10 wk
22 Jun
2 Jul
3 wk after
Water forget-me-not
Myosotis scorpioides
7 – 21 Apr
1 May
6-8 wk
2 Jun
12 Jun
0 wk
15 Jun
2 wk after