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Method
Rel. frost
Last spring frost (0°C) 9 Jun Frost 1 of 10 years · 20 years of data
Frost-free season 99 days 9 Jun – 16 Sep
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)
21 Apr – 5 May
12 Jun
5-7 wk
9 Jun
17 Jul
0 wk
10 Jun
7 Jul
0 wk
Broccoli
Brassica oleracea (Italica-gruppen)
28 Apr – 12 May
24 Jun
4-6 wk
9 Jun
22 Jul
0 wk
10 Jun
12 Jul
0 wk
Chili pepper
Capsicum annuum
Season too short
23 Mar – 20 Apr
8-12 wk
15 Jun
1 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
21 Apr – 5 May
7 Jun
5-7 wk
9 Jun
12 Jul
0 wk
9 Jun
2 Jul
0 wk
Garden cucumber
Cucumis sativus
Season too short
18 – 25 May
3-4 wk
15 Jun
1 wk after
Florence Fennel
Foeniculum vulgare
Fleece
18 – 25 May
4 Jun
4-5 wk
22 Jun
2 Jul
2 wk after
4 Jul
4 wk after
Butter bean
Phaseolus lunatus
Season too short
20 – 27 Jun
3-4 wk
18 Jul
6 wk after
Onion
Allium cepa (Cepa-gruppen)
Fleece
17 Mar – 14 Apr
28 Mar
8-12 wk
9 Jun
0 wk
15 Jun
1 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
10 Jun
0 wk
10 Jun
0 wk
Maize
Zea mays
Season too short
12 – 19 May
3-4 wk
9 Jun
0 wk
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
14 – 21 May
1 Jul
3-4 wk
11 Jun
22 Jul
0 wk
22 Jun
12 Jul
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
9 Jun
2 Jul
0 wk
9 Jun
22 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
21 Apr – 5 May
7 Jun
5-7 wk
9 Jun
12 Jul
0 wk
9 Jun
2 Jul
0 wk
Potato
Solanum tuberosum
8 – 22 May
22 May
4-6 wk
19 Jun
19 Jun
1 wk after
19 Jun
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
21 Apr – 5 May
17 Jun
5-7 wk
9 Jun
22 Jul
0 wk
10 Jun
12 Jul
0 wk
Pumpkin
Cucurbita pepo
Greenhouse
18 – 25 May
3-4 wk
15 Jun
1 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
14 – 21 May
29 May
3-4 wk
11 Jun
19 Jun
0 wk
22 Jun
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
28 Apr – 12 May
19 Jun
4-6 wk
9 Jun
17 Jul
0 wk
Lettuce
Lactuca sativa
12 – 19 May
6 Jul
3-4 wk
9 Jun
27 Jul
0 wk
10 Jun
17 Jul
0 wk
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
28 Apr – 12 May
19 Jun
4-6 wk
9 Jun
17 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
12 – 26 May
29 May
2-4 wk
9 Jun
12 Jun
0 wk
9 Jun
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
10 Jun
0 wk
10 Jun
0 wk
Spinach
Spinacia oleracea
12 – 19 May
21 Jul
3-4 wk
9 Jun
11 Aug
0 wk
6 Jun
1 Aug
0 wk
Sweet potato
Ipomoea batatas
4 – 18 Jul
4-6 wk
15 Aug
10 wk after
Garden tomato
Solanum lycopersicum
Season too short
14 – 28 Apr
6-8 wk
9 Jun
0 wk
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Greenhouse
12 – 26 May
18 May
2-4 wk
9 Jun
0 wk
22 Jun
2 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
28 Apr – 12 May
19 Jun
4-6 wk
9 Jun
17 Jul
0 wk
Garden pea
Pisum sativum
12 – 19 May
21 Jun
3-4 wk
9 Jun
12 Jul
0 wk
10 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
Season too short
4 – 18 May
4-6 wk
15 Jun
1 wk after
Lemon balm
Melissa officinalis
31 Mar – 14 Apr
17 May
8-10 wk
9 Jun
12 Jul
0 wk
4 Jul
4 wk after
Dill
Anethum graveolens
10 Jun
22 Jul
0 wk
Wild chives
Allium schoenoprasum
14 – 28 Apr
31 May
6-8 wk
9 Jun
12 Jul
0 wk
10 Jun
2 Jul
0 wk
Spearmint
Mentha spicata
17 Mar – 14 Apr
17 May
8-12 wk
9 Jun
12 Jul
0 wk
4 Jul
4 wk after
Coriander
Coriandrum sativum
9 Jun
11 Aug
0 wk
22 Jun
1 Aug
2 wk after
Garden sage
Salvia officinalis
2 – 16 Apr
2 May
8-10 wk
11 Jun
27 Jun
0 wk
Common thyme
Thymus vulgaris
31 Mar – 14 Apr
7 May
8-10 wk
9 Jun
2 Jul
0 wk
Oregano
Origanum vulgare
14 – 28 Apr
21 May
6-8 wk
9 Jun
2 Jul
0 wk
4 Jul
4 wk after
Parsley
Petroselinum crispum
14 – 28 Apr
21 May
6-8 wk
9 Jun
2 Jul
0 wk
10 Jun
22 Jun
0 wk
Rosemary
Salvia rosmarinus
5 Mar – 2 Apr
3 Apr
10-14 wk
11 Jun
12 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
Season too short
18 – 25 May
3-4 wk
15 Jun
1 wk after
Cornflower
Centaurea cyanus
9 Jun
12 Jul
0 wk
10 Jun
2 Jul
0 wk
Statice
Limonium sinuatum
Greenhouse
31 Mar – 14 Apr
11 Apr
8-10 wk
9 Jun
0 wk
Sweet William
Dianthus barbatus
14 – 28 Apr
6-8 wk
9 Jun
0 wk
19 Jun
1 wk after
Snow-on-the-mountain
Euphorbia marginata
Greenhouse
14 – 28 Apr
25 Apr
6-8 wk
9 Jun
0 wk
11 Jul
5 wk after
Pinnate dahlia
Dahlia × pinnata
Fleece
16 – 30 Apr
20 Apr
6-8 wk
11 Jun
0 wk
Pinnate dahlia (tubers)
Dahlia × pinnata
Greenhouse
20 Apr – 18 May
13 May
4-8 wk
15 Jun
1 wk after
15 Jun
1 wk after
Foxglove
Digitalis purpurea
31 Mar – 14 Apr
8-10 wk
9 Jun
0 wk
22 Jun
2 wk after
Busy lizzie
Impatiens walleriana
Fleece
30 Mar – 27 Apr
12 May
8-12 wk
22 Jun
7 Jul
2 wk after
Creeping zinnia
Sanvitalia procumbens
Fleece
20 Apr – 4 May
22 Apr
6-8 wk
15 Jun
1 wk after
Hyacinth bean
Dolichos lablab
Season too short
11 – 25 May
4-6 wk
22 Jun
2 wk after
Chinese lantern
Physalis alkekengi
2 – 16 Apr
17 Apr
8-10 wk
11 Jun
12 Jun
0 wk
Love in a mist
Nigella damascena
9 Jun
27 Jun
0 wk
10 Jun
17 Jun
0 wk
Strawflower
Xerochrysum bracteatum
Greenhouse
14 – 28 Apr
15 Apr
6-8 wk
9 Jun
0 wk
11 Jul
5 wk after
Purple-top vervain
Verbena bonariensis
19 Mar – 16 Apr
17 Apr
8-12 wk
11 Jun
12 Jun
0 wk
Cardoon
Cynara cardunculus
Greenhouse
17 Mar – 14 Apr
18 Mar
8-12 wk
9 Jun
0 wk
Regal-foxtail
Ptilotus nobilis
Season too short
23 Mar – 20 Apr
8-12 wk
15 Jun
1 wk after
Globe amaranth
Gomphrena globosa
Season too short
20 Apr – 4 May
6-8 wk
15 Jun
1 wk after
Corn poppy
Papaver rhoeas
9 Jun
12 Jul
0 wk
10 Jun
2 Jul
0 wk
Snapdragon
Antirrhinum majus
17 Mar – 14 Apr
7 May
8-12 wk
9 Jun
2 Jul
0 wk
19 Jun
22 Jun
1 wk after
Flossflower
Ageratum houstonianum
Greenhouse
6 – 20 Apr
21 Apr
8-10 wk
15 Jun
16 Jun
1 wk after
Sweet pea
Lathyrus odoratus
14 Apr – 5 May
28 May
5-8 wk
9 Jun
2 Jul
0 wk
Stock
Matthiola incana
14 – 28 Apr
31 May
6-8 wk
9 Jun
12 Jul
0 wk
22 Jun
2 Jul
2 wk after
Wormwood
Artemisia absinthium
14 – 28 Apr
1 May
6-8 wk
9 Jun
12 Jun
0 wk
22 Jun
2 wk after
Mexican sunflower
Tithonia rotundifolia
Season too short
4 – 18 May
4-6 wk
15 Jun
1 wk after
Garden pansy
Viola × wittrockiana
31 Mar – 14 Apr
17 May
8-10 wk
9 Jun
12 Jul
0 wk
19 Jun
2 Jul
1 wk after
Petunia
Petunia
Greenhouse
17 Mar – 14 Apr
11 Apr
8-12 wk
9 Jun
0 wk
Sweet Scabious
Scabiosa atropurpurea
16 – 30 Apr
1 May
6-8 wk
11 Jun
12 Jun
0 wk
22 Jul
6 wk after
Common zinnia
Zinnia elegans
Greenhouse
28 Apr – 12 May
14 May
4-6 wk
9 Jun
11 Jun
0 wk
Common morning glory
Ipomoea purpurea
Season too short
11 – 25 May
3-5 wk
15 Jun
1 wk after
Garden cosmos
Cosmos bipinnatus
Fleece
4 – 18 May
4 May
4-6 wk
15 Jun
1 wk after
4 Jul
4 wk after
Scarlet milkweed
Asclepias curassavica
Greenhouse
30 Mar – 27 Apr
16 Apr
8-12 wk
22 Jun
2 wk after
Bee balm
Monarda didyma
17 Mar – 14 Apr
17 Apr
8-12 wk
9 Jun
12 Jun
0 wk
4 Jul
4 wk after
Yarrow
Achillea millefolium
14 – 28 Apr
6-8 wk
9 Jun
0 wk
22 Jun
2 wk after
Safflower
Carthamus tinctorius
9 Jun
12 Jun
0 wk
10 Jun
0 wk
Iceland poppy
Papaver nudicaule
Season too short
14 – 28 Apr
21 May
6-8 wk
9 Jun
2 Jul
0 wk
24 May
22 Jun
2 wk before
Bishop's flower
Ammi majus
28 Apr – 12 May
4 Jun
4-6 wk
9 Jun
2 Jul
0 wk
22 Jun
22 Jun
2 wk after
Drumsticks
Pycnosorus globosus
Season too short
23 Mar – 6 Apr
10-12 wk
15 Jun
1 wk after
Sunflower
Helianthus annuus
25 May – 1 Jun
11 Jun
3-4 wk
22 Jun
2 Jul
2 wk after
4 Jul
4 wk after
China aster
Callistephus chinensis
27 Apr – 11 May
31 May
6-8 wk
22 Jun
12 Jul
2 wk after
22 Jul
6 wk after
Annual phlox
Phlox drummondii
Fleece
14 – 28 Apr
22 Apr
6-8 wk
9 Jun
0 wk
4 Jul
4 wk after
Hollyhock
Alcea rosea
14 – 28 Apr
6-8 wk
9 Jun
0 wk
22 Jun
2 wk after
Alpine delphinium
Delphinium elatum
17 Mar – 14 Apr
17 Apr
8-12 wk
9 Jun
12 Jun
0 wk
4 Jul
4 wk after
African marigold
Tagetes erecta
Fleece
20 Apr – 4 May
22 Apr
6-8 wk
15 Jun
1 wk after
Black-eyed Susan
Rudbeckia hirta
16 – 30 Apr
21 May
6-8 wk
11 Jun
2 Jul
0 wk
22 Jul
6 wk after
Wood sage
Salvia nemorosa
31 Mar – 14 Apr
7 Apr
8-10 wk
9 Jun
0 wk
4 Jul
4 wk after
Black-eyed susan vine
Thunbergia alata
Season too short
6 Apr – 4 May
10 Apr
6-10 wk
15 Jun
1 wk after
California goldenpoppy
Eschscholzia californica
9 Jun
12 Jul
0 wk
10 Jun
2 Jul
0 wk
Painted tongue
Salpiglossis sinuata
13 – 27 Apr
3 May
8-10 wk
22 Jun
28 Jun
2 wk after
Water forget-me-not
Myosotis scorpioides
14 – 28 Apr
1 May
6-8 wk
9 Jun
12 Jun
0 wk
22 Jun
2 wk after