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Method
Rel. frost
Last spring frost (0°C) 10 Jun Frost 1 of 10 years · 20 years of data
Frost-free season 111 days 10 Jun – 29 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)
22 Apr – 6 May
8 Jun
5-7 wk
10 Jun
13 Jul
0 wk
11 Jun
3 Jul
0 wk
Broccoli
Brassica oleracea (Italica-gruppen)
29 Apr – 13 May
20 Jun
4-6 wk
10 Jun
18 Jul
0 wk
11 Jun
8 Jul
0 wk
Chili pepper
Capsicum annuum
Season too short
24 Mar – 21 Apr
8-12 wk
16 Jun
1 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
22 Apr – 6 May
3 Jun
5-7 wk
10 Jun
8 Jul
0 wk
10 Jun
28 Jun
0 wk
Garden cucumber
Cucumis sativus
Season too short
19 – 26 May
3-4 wk
16 Jun
1 wk after
Florence Fennel
Foeniculum vulgare
Fleece
19 – 26 May
31 May
4-5 wk
23 Jun
28 Jun
2 wk after
5 Jul
4 wk after
Butter bean
Phaseolus lunatus
Season too short
21 – 28 Jun
3-4 wk
19 Jul
6 wk after
Onion
Allium cepa (Cepa-gruppen)
Greenhouse
18 Mar – 15 Apr
24 Mar
8-12 wk
10 Jun
0 wk
10 Jun
0 wk
Onion (sets)
Allium cepa (Cepa-gruppen)
Fleece
7 Jun
0 wk
7 Jun
0 wk
Maize
Zea mays
Season too short
13 – 20 May
3-4 wk
10 Jun
0 wk
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
15 – 22 May
27 Jun
3-4 wk
12 Jun
18 Jul
0 wk
23 Jun
8 Jul
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
10 Jun
28 Jun
0 wk
10 Jun
18 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
22 Apr – 6 May
3 Jun
5-7 wk
10 Jun
8 Jul
0 wk
10 Jun
28 Jun
0 wk
Potato
Solanum tuberosum
Fleece
30 Apr – 14 May
20 May
4-6 wk
11 Jun
17 Jun
0 wk
11 Jun
0 wk
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
22 Apr – 6 May
13 Jun
5-7 wk
10 Jun
18 Jul
0 wk
11 Jun
8 Jul
0 wk
Pumpkin
Cucurbita pepo
Season too short
19 – 26 May
19 May
3-4 wk
16 Jun
1 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
Fleece
13 – 20 May
25 May
3-4 wk
10 Jun
15 Jun
0 wk
16 Jun
1 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
29 Apr – 13 May
15 Jun
4-6 wk
10 Jun
13 Jul
0 wk
Lettuce
Lactuca sativa
13 – 20 May
2 Jul
3-4 wk
10 Jun
23 Jul
0 wk
11 Jun
13 Jul
0 wk
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
29 Apr – 13 May
15 Jun
4-6 wk
10 Jun
13 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
Fleece
7 – 21 May
25 May
2-4 wk
4 Jun
8 Jun
1 wk before
4 Jun
1 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
Fleece
7 Jun
0 wk
7 Jun
0 wk
Spinach
Spinacia oleracea
13 – 20 May
17 Jul
3-4 wk
10 Jun
7 Aug
0 wk
7 Jun
28 Jul
0 wk
Sweet potato
Ipomoea batatas
5 – 19 Jul
4-6 wk
16 Aug
10 wk after
Garden tomato
Solanum lycopersicum
Season too short
15 – 29 Apr
6-8 wk
10 Jun
0 wk
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Greenhouse
13 – 27 May
21 May
2-4 wk
10 Jun
0 wk
23 Jun
2 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
29 Apr – 13 May
15 Jun
4-6 wk
10 Jun
13 Jul
0 wk
Garden pea
Pisum sativum
13 – 20 May
17 Jun
3-4 wk
10 Jun
8 Jul
0 wk
11 Jun
28 Jun
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
5 – 19 May
4-6 wk
16 Jun
1 wk after
Lemon balm
Melissa officinalis
1 – 15 Apr
13 May
8-10 wk
10 Jun
8 Jul
0 wk
5 Jul
4 wk after
Dill
Anethum graveolens
11 Jun
18 Jul
0 wk
Wild chives
Allium schoenoprasum
15 – 29 Apr
27 May
6-8 wk
10 Jun
8 Jul
0 wk
11 Jun
28 Jun
0 wk
Spearmint
Mentha spicata
18 Mar – 15 Apr
13 May
8-12 wk
10 Jun
8 Jul
0 wk
5 Jul
4 wk after
Coriander
Coriandrum sativum
10 Jun
7 Aug
0 wk
23 Jun
28 Jul
2 wk after
Garden sage
Salvia officinalis
3 – 17 Apr
28 Apr
8-10 wk
12 Jun
23 Jun
0 wk
Common thyme
Thymus vulgaris
1 – 15 Apr
3 May
8-10 wk
10 Jun
28 Jun
0 wk
Oregano
Origanum vulgare
15 – 29 Apr
17 May
6-8 wk
10 Jun
28 Jun
0 wk
5 Jul
4 wk after
Parsley
Petroselinum crispum
15 – 29 Apr
17 May
6-8 wk
10 Jun
28 Jun
0 wk
11 Jun
18 Jun
0 wk
Rosemary
Salvia rosmarinus
6 Mar – 3 Apr
30 Mar
10-14 wk
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
19 – 26 May
3-4 wk
16 Jun
1 wk after
Cornflower
Centaurea cyanus
10 Jun
8 Jul
0 wk
11 Jun
28 Jun
0 wk
Statice
Limonium sinuatum
Greenhouse
1 – 15 Apr
27 Apr
8-10 wk
10 Jun
22 Jun
0 wk
Sweet William
Dianthus barbatus
15 – 29 Apr
6-8 wk
10 Jun
0 wk
20 Jun
1 wk after
Snow-on-the-mountain
Euphorbia marginata
Greenhouse
15 – 29 Apr
11 May
6-8 wk
10 Jun
22 Jun
0 wk
12 Jul
5 wk after
Pinnate dahlia
Dahlia × pinnata
Fleece
17 Apr – 1 May
3 May
6-8 wk
12 Jun
14 Jun
0 wk
Pinnate dahlia (tubers)
Dahlia × pinnata
Season too short
21 Apr – 19 May
26 May
4-8 wk
16 Jun
23 Jun
1 wk after
16 Jun
1 wk after
Foxglove
Digitalis purpurea
1 – 15 Apr
8-10 wk
10 Jun
0 wk
23 Jun
2 wk after
Busy lizzie
Impatiens walleriana
Fleece
31 Mar – 28 Apr
15 May
8-12 wk
23 Jun
10 Jul
2 wk after
Creeping zinnia
Sanvitalia procumbens
Fleece
21 Apr – 5 May
7 May
6-8 wk
16 Jun
18 Jun
1 wk after
Hyacinth bean
Dolichos lablab
Season too short
12 – 26 May
4-6 wk
23 Jun
2 wk after
Chinese lantern
Physalis alkekengi
3 – 17 Apr
13 Apr
8-10 wk
12 Jun
0 wk
Love in a mist
Nigella damascena
10 Jun
23 Jun
0 wk
11 Jun
13 Jun
0 wk
Strawflower
Xerochrysum bracteatum
Greenhouse
15 – 29 Apr
1 May
6-8 wk
10 Jun
12 Jun
0 wk
12 Jul
5 wk after
Purple-top vervain
Verbena bonariensis
20 Mar – 17 Apr
13 Apr
8-12 wk
12 Jun
0 wk
Cardoon
Cynara cardunculus
Greenhouse
18 Mar – 15 Apr
8-12 wk
10 Jun
0 wk
Regal-foxtail
Ptilotus nobilis
Season too short
24 Mar – 21 Apr
8-12 wk
16 Jun
1 wk after
Globe amaranth
Gomphrena globosa
Season too short
21 Apr – 5 May
6-8 wk
16 Jun
1 wk after
Corn poppy
Papaver rhoeas
10 Jun
8 Jul
0 wk
11 Jun
28 Jun
0 wk
Snapdragon
Antirrhinum majus
18 Mar – 15 Apr
3 May
8-12 wk
10 Jun
28 Jun
0 wk
20 Jun
1 wk after
Flossflower
Ageratum houstonianum
Greenhouse
7 – 21 Apr
7 May
8-10 wk
16 Jun
2 Jul
1 wk after
Sweet pea
Lathyrus odoratus
15 Apr – 6 May
24 May
5-8 wk
10 Jun
28 Jun
0 wk
Stock
Matthiola incana
15 – 29 Apr
27 May
6-8 wk
10 Jun
8 Jul
0 wk
23 Jun
28 Jun
2 wk after
Wormwood
Artemisia absinthium
15 – 29 Apr
27 Apr
6-8 wk
10 Jun
0 wk
23 Jun
2 wk after
Mexican sunflower
Tithonia rotundifolia
Season too short
5 – 19 May
4-6 wk
16 Jun
1 wk after
Garden pansy
Viola × wittrockiana
1 – 15 Apr
13 May
8-10 wk
10 Jun
8 Jul
0 wk
20 Jun
28 Jun
1 wk after
Petunia
Petunia
Greenhouse
18 Mar – 15 Apr
27 Apr
8-12 wk
10 Jun
22 Jun
0 wk
Sweet Scabious
Scabiosa atropurpurea
17 Apr – 1 May
27 Apr
6-8 wk
12 Jun
0 wk
23 Jul
6 wk after
Common zinnia
Zinnia elegans
Greenhouse
29 Apr – 13 May
27 May
4-6 wk
10 Jun
24 Jun
0 wk
Common morning glory
Ipomoea purpurea
Season too short
12 – 26 May
3-5 wk
16 Jun
1 wk after
Garden cosmos
Cosmos bipinnatus
Fleece
5 – 19 May
17 May
4-6 wk
16 Jun
1 wk after
5 Jul
4 wk after
Scarlet milkweed
Asclepias curassavica
Season too short
31 Mar – 28 Apr
19 Apr
8-12 wk
23 Jun
2 wk after
Bee balm
Monarda didyma
18 Mar – 15 Apr
13 Apr
8-12 wk
10 Jun
0 wk
5 Jul
4 wk after
Yarrow
Achillea millefolium
15 – 29 Apr
6-8 wk
10 Jun
0 wk
23 Jun
2 wk after
Safflower
Carthamus tinctorius
10 Jun
0 wk
11 Jun
0 wk
Iceland poppy
Papaver nudicaule
Season too short
15 – 29 Apr
17 May
6-8 wk
10 Jun
28 Jun
0 wk
25 May
18 Jun
2 wk before
Bishop's flower
Ammi majus
29 Apr – 13 May
31 May
4-6 wk
10 Jun
28 Jun
0 wk
23 Jun
2 wk after
Drumsticks
Pycnosorus globosus
Season too short
24 Mar – 7 Apr
10-12 wk
16 Jun
1 wk after
Sunflower
Helianthus annuus
26 May – 2 Jun
7 Jun
3-4 wk
23 Jun
28 Jun
2 wk after
5 Jul
4 wk after
China aster
Callistephus chinensis
28 Apr – 12 May
27 May
6-8 wk
23 Jun
8 Jul
2 wk after
23 Jul
6 wk after
Annual phlox
Phlox drummondii
Fleece
15 – 29 Apr
7 May
6-8 wk
10 Jun
18 Jun
0 wk
5 Jul
4 wk after
Hollyhock
Alcea rosea
15 – 29 Apr
6-8 wk
10 Jun
0 wk
23 Jun
2 wk after
Alpine delphinium
Delphinium elatum
18 Mar – 15 Apr
13 Apr
8-12 wk
10 Jun
0 wk
5 Jul
4 wk after
African marigold
Tagetes erecta
Fleece
21 Apr – 5 May
7 May
6-8 wk
16 Jun
18 Jun
1 wk after
Black-eyed Susan
Rudbeckia hirta
17 Apr – 1 May
17 May
6-8 wk
12 Jun
28 Jun
0 wk
23 Jul
6 wk after
Wood sage
Salvia nemorosa
1 – 15 Apr
3 Apr
8-10 wk
10 Jun
0 wk
5 Jul
4 wk after
Black-eyed susan vine
Thunbergia alata
Season too short
7 Apr – 5 May
13 Apr
6-10 wk
16 Jun
1 wk after
California goldenpoppy
Eschscholzia californica
10 Jun
8 Jul
0 wk
11 Jun
28 Jun
0 wk
Painted tongue
Salpiglossis sinuata
14 – 28 Apr
3 May
8-10 wk
23 Jun
28 Jun
2 wk after
Water forget-me-not
Myosotis scorpioides
15 – 29 Apr
27 Apr
6-8 wk
10 Jun
0 wk
23 Jun
2 wk after