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Method
Rel. frost
Last spring frost (0°C) 3 Jun Frost 1 of 10 years · 20 years of data
Frost-free season 125 days 3 Jun – 6 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)
15 – 29 Apr
13 Jun
5-7 wk
3 Jun
18 Jul
0 wk
4 Jun
8 Jul
0 wk
Broccoli
Brassica oleracea (Italica-gruppen)
22 Apr – 6 May
25 Jun
4-6 wk
3 Jun
23 Jul
0 wk
4 Jun
13 Jul
0 wk
Chili pepper
Capsicum annuum
Season too short
22 Mar – 19 Apr
8-12 wk
14 Jun
2 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
15 – 29 Apr
8 Jun
5-7 wk
3 Jun
13 Jul
0 wk
3 Jun
3 Jul
0 wk
Garden cucumber
Cucumis sativus
Greenhouse
17 – 24 May
3-4 wk
14 Jun
2 wk after
Florence Fennel
Foeniculum vulgare
2 – 9 Jun
5 Jun
4-5 wk
7 Jul
5 wk after
16 Jul
6 wk after
Butter bean
Phaseolus lunatus
Season too short
16 – 23 Jun
3-4 wk
14 Jul
6 wk after
Onion
Allium cepa (Cepa-gruppen)
11 Mar – 8 Apr
29 Mar
8-12 wk
3 Jun
0 wk
16 Jun
2 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
4 Jun
13 Jun
0 wk
4 Jun
0 wk
Maize
Zea mays
Greenhouse
10 – 17 May
3-4 wk
7 Jun
1 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
12 – 19 May
2 Jul
3-4 wk
9 Jun
23 Jul
1 wk after
16 Jun
13 Jul
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
3 Jun
3 Jul
0 wk
3 Jun
23 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
15 – 29 Apr
8 Jun
5-7 wk
3 Jun
13 Jul
0 wk
3 Jun
3 Jul
0 wk
Potato
Solanum tuberosum
2 – 16 May
1 Jun
4-6 wk
13 Jun
29 Jun
1 wk after
13 Jun
19 Jun
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
15 – 29 Apr
18 Jun
5-7 wk
3 Jun
23 Jul
0 wk
4 Jun
13 Jul
0 wk
Pumpkin
Cucurbita pepo
Fleece
26 May – 2 Jun
3-4 wk
23 Jun
3 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
12 – 19 May
16 Jun
3-4 wk
9 Jun
7 Jul
1 wk after
16 Jun
27 Jun
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
22 Apr – 6 May
20 Jun
4-6 wk
3 Jun
18 Jul
0 wk
Lettuce
Lactuca sativa
6 – 13 May
7 Jul
3-4 wk
3 Jun
28 Jul
0 wk
4 Jun
18 Jul
0 wk
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
22 Apr – 6 May
20 Jun
4-6 wk
3 Jun
18 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
6 – 20 May
30 May
2-4 wk
3 Jun
13 Jun
0 wk
3 Jun
3 Jun
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
4 Jun
13 Jun
0 wk
4 Jun
0 wk
Spinach
Spinacia oleracea
6 – 13 May
22 Jul
3-4 wk
3 Jun
12 Aug
0 wk
31 May
2 Aug
0 wk
Sweet potato
Ipomoea batatas
28 Jun – 12 Jul
4-6 wk
9 Aug
10 wk after
Garden tomato
Solanum lycopersicum
Greenhouse
12 – 26 Apr
13 Apr
6-8 wk
7 Jun
1 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Fleece
17 – 31 May
21 May
2-4 wk
14 Jun
2 wk after
28 Jun
4 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
22 Apr – 6 May
20 Jun
4-6 wk
3 Jun
18 Jul
0 wk
Garden pea
Pisum sativum
6 – 13 May
22 Jun
3-4 wk
3 Jun
13 Jul
0 wk
4 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
Greenhouse
3 – 17 May
11 May
4-6 wk
14 Jun
2 wk after
Lemon balm
Melissa officinalis
25 Mar – 8 Apr
18 May
8-10 wk
3 Jun
13 Jul
0 wk
28 Jun
3 Jul
4 wk after
Dill
Anethum graveolens
4 Jun
23 Jul
0 wk
Wild chives
Allium schoenoprasum
8 – 22 Apr
1 Jun
6-8 wk
3 Jun
13 Jul
0 wk
4 Jun
3 Jul
0 wk
Spearmint
Mentha spicata
11 Mar – 8 Apr
18 May
8-12 wk
3 Jun
13 Jul
0 wk
28 Jun
3 Jul
4 wk after
Coriander
Coriandrum sativum
3 Jun
12 Aug
0 wk
16 Jun
2 Aug
2 wk after
Garden sage
Salvia officinalis
31 Mar – 14 Apr
3 May
8-10 wk
9 Jun
28 Jun
1 wk after
Common thyme
Thymus vulgaris
25 Mar – 8 Apr
8 May
8-10 wk
3 Jun
3 Jul
0 wk
Oregano
Origanum vulgare
8 – 22 Apr
22 May
6-8 wk
3 Jun
3 Jul
0 wk
28 Jun
4 wk after
Parsley
Petroselinum crispum
8 – 22 Apr
22 May
6-8 wk
3 Jun
3 Jul
0 wk
4 Jun
23 Jun
0 wk
Rosemary
Salvia rosmarinus
3 – 31 Mar
4 Apr
10-14 wk
9 Jun
13 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
17 – 24 May
18 May
3-4 wk
14 Jun
2 wk after
Cornflower
Centaurea cyanus
3 Jun
13 Jul
0 wk
4 Jun
3 Jul
0 wk
Statice
Limonium sinuatum
Fleece
5 – 19 Apr
13 Apr
8-10 wk
14 Jun
2 wk after
Sweet William
Dianthus barbatus
8 – 22 Apr
6-8 wk
3 Jun
0 wk
13 Jun
1 wk after
Snow-on-the-mountain
Euphorbia marginata
Fleece
19 Apr – 3 May
27 Apr
6-8 wk
14 Jun
2 wk after
23 Jul
7 wk after
Pinnate dahlia
Dahlia × pinnata
23 Apr – 7 May
6-8 wk
18 Jun
2 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
Fleece
21 Apr – 19 May
18 May
4-8 wk
16 Jun
2 wk after
16 Jun
2 wk after
Foxglove
Digitalis purpurea
25 Mar – 8 Apr
8-10 wk
3 Jun
0 wk
16 Jun
2 wk after
Busy lizzie
Impatiens walleriana
14 Apr – 12 May
15 May
8-12 wk
7 Jul
10 Jul
5 wk after
Creeping zinnia
Sanvitalia procumbens
Fleece
19 Apr – 3 May
7 May
6-8 wk
14 Jun
18 Jun
2 wk after
Hyacinth bean
Dolichos lablab
Season too short
12 – 26 May
4-6 wk
23 Jun
3 wk after
Chinese lantern
Physalis alkekengi
31 Mar – 14 Apr
18 Apr
8-10 wk
9 Jun
13 Jun
1 wk after
Love in a mist
Nigella damascena
3 Jun
28 Jun
0 wk
4 Jun
18 Jun
0 wk
Strawflower
Xerochrysum bracteatum
Fleece
19 Apr – 3 May
6-8 wk
14 Jun
2 wk after
23 Jul
7 wk after
Purple-top vervain
Verbena bonariensis
17 Mar – 14 Apr
18 Apr
8-12 wk
9 Jun
13 Jun
1 wk after
Cardoon
Cynara cardunculus
Fleece
22 Mar – 19 Apr
8-12 wk
14 Jun
2 wk after
Regal-foxtail
Ptilotus nobilis
Greenhouse
22 Mar – 19 Apr
3 Apr
8-12 wk
14 Jun
2 wk after
Globe amaranth
Gomphrena globosa
Greenhouse
19 Apr – 3 May
6-8 wk
14 Jun
2 wk after
Corn poppy
Papaver rhoeas
3 Jun
13 Jul
0 wk
4 Jun
3 Jul
0 wk
Snapdragon
Antirrhinum majus
11 Mar – 8 Apr
8 May
8-12 wk
3 Jun
3 Jul
0 wk
13 Jun
23 Jun
1 wk after
Flossflower
Ageratum houstonianum
Fleece
14 – 28 Apr
23 Apr
8-10 wk
23 Jun
3 wk after
Sweet pea
Lathyrus odoratus
8 – 29 Apr
29 May
5-8 wk
3 Jun
3 Jul
0 wk
Stock
Matthiola incana
8 – 22 Apr
1 Jun
6-8 wk
3 Jun
13 Jul
0 wk
16 Jun
3 Jul
2 wk after
Wormwood
Artemisia absinthium
8 – 22 Apr
2 May
6-8 wk
3 Jun
13 Jun
0 wk
16 Jun
2 wk after
Mexican sunflower
Tithonia rotundifolia
Greenhouse
3 – 17 May
4-6 wk
14 Jun
2 wk after
Garden pansy
Viola × wittrockiana
25 Mar – 8 Apr
18 May
8-10 wk
3 Jun
13 Jul
0 wk
13 Jun
3 Jul
1 wk after
Petunia
Petunia
Fleece
22 Mar – 19 Apr
13 Apr
8-12 wk
14 Jun
2 wk after
Sweet Scabious
Scabiosa atropurpurea
14 – 28 Apr
2 May
6-8 wk
9 Jun
13 Jun
1 wk after
16 Jul
6 wk after
Common zinnia
Zinnia elegans
Fleece
3 – 17 May
11 May
4-6 wk
14 Jun
2 wk after
Common morning glory
Ipomoea purpurea
Greenhouse
10 – 24 May
18 May
3-5 wk
14 Jun
2 wk after
Garden cosmos
Cosmos bipinnatus
Fleece
3 – 17 May
18 May
4-6 wk
14 Jun
15 Jun
2 wk after
28 Jun
4 wk after
Scarlet milkweed
Asclepias curassavica
Fleece
14 Apr – 12 May
19 Apr
8-12 wk
7 Jul
5 wk after
Bee balm
Monarda didyma
11 Mar – 8 Apr
18 Apr
8-12 wk
3 Jun
13 Jun
0 wk
28 Jun
4 wk after
Yarrow
Achillea millefolium
8 – 22 Apr
6-8 wk
3 Jun
0 wk
16 Jun
2 wk after
Safflower
Carthamus tinctorius
3 Jun
13 Jun
0 wk
4 Jun
0 wk
Iceland poppy
Papaver nudicaule
Season too short
8 – 22 Apr
22 May
6-8 wk
3 Jun
3 Jul
0 wk
18 May
23 Jun
2 wk before
Bishop's flower
Ammi majus
22 Apr – 6 May
5 Jun
4-6 wk
3 Jun
3 Jul
0 wk
16 Jun
23 Jun
2 wk after
Drumsticks
Pycnosorus globosus
Greenhouse
22 Mar – 5 Apr
10-12 wk
14 Jun
2 wk after
Sunflower
Helianthus annuus
26 May – 2 Jun
12 Jun
3-4 wk
23 Jun
3 Jul
3 wk after
28 Jun
4 wk after
China aster
Callistephus chinensis
28 Apr – 12 May
1 Jun
6-8 wk
23 Jun
13 Jul
3 wk after
16 Jul
6 wk after
Annual phlox
Phlox drummondii
19 Apr – 3 May
19 Apr
6-8 wk
14 Jun
2 wk after
16 Jul
6 wk after
Hollyhock
Alcea rosea
8 – 22 Apr
6-8 wk
3 Jun
0 wk
16 Jun
2 wk after
Alpine delphinium
Delphinium elatum
11 Mar – 8 Apr
18 Apr
8-12 wk
3 Jun
13 Jun
0 wk
28 Jun
4 wk after
African marigold
Tagetes erecta
Fleece
19 Apr – 3 May
7 May
6-8 wk
14 Jun
18 Jun
2 wk after
Black-eyed Susan
Rudbeckia hirta
14 – 28 Apr
22 May
6-8 wk
9 Jun
3 Jul
1 wk after
16 Jul
6 wk after
Wood sage
Salvia nemorosa
25 Mar – 8 Apr
8 Apr
8-10 wk
3 Jun
3 Jun
0 wk
28 Jun
4 wk after
Black-eyed susan vine
Thunbergia alata
Greenhouse
5 Apr – 3 May
27 Apr
6-10 wk
14 Jun
2 wk after
California goldenpoppy
Eschscholzia californica
3 Jun
13 Jul
0 wk
4 Jun
3 Jul
0 wk
Painted tongue
Salpiglossis sinuata
14 – 28 Apr
8 May
8-10 wk
23 Jun
3 Jul
3 wk after
Water forget-me-not
Myosotis scorpioides
8 – 22 Apr
2 May
6-8 wk
3 Jun
13 Jun
0 wk
16 Jun
2 wk after