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Method
Rel. frost
Last spring frost (0°C) 7 Jun Frost 1 of 4 years · 20 years of data
Frost-free season 94 days 7 Jun – 9 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)
19 Apr – 3 May
13 Jun
5-7 wk
7 Jun
18 Jul
0 wk
8 Jun
8 Jul
0 wk
Broccoli
Brassica oleracea (Italica-gruppen)
26 Apr – 10 May
25 Jun
4-6 wk
7 Jun
23 Jul
0 wk
8 Jun
13 Jul
0 wk
Chili pepper
Capsicum annuum
Greenhouse
26 Mar – 23 Apr
7 Apr
8-12 wk
18 Jun
2 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
19 Apr – 3 May
8 Jun
5-7 wk
7 Jun
13 Jul
0 wk
7 Jun
3 Jul
0 wk
Garden cucumber
Cucumis sativus
Fleece
30 May – 6 Jun
1 Jun
3-4 wk
27 Jun
3 wk after
Florence Fennel
Foeniculum vulgare
Fleece
23 – 30 May
5 Jun
4-5 wk
27 Jun
3 Jul
3 wk after
2 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
15 Mar – 12 Apr
29 Mar
8-12 wk
7 Jun
0 wk
13 Jun
1 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
8 Jun
8 Jun
0 wk
8 Jun
0 wk
Maize
Zea mays
Fleece
21 – 28 May
22 May
3-4 wk
18 Jun
2 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
16 – 23 May
2 Jul
3-4 wk
13 Jun
23 Jul
1 wk after
20 Jun
13 Jul
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
7 Jun
3 Jul
0 wk
7 Jun
23 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
19 Apr – 3 May
8 Jun
5-7 wk
7 Jun
13 Jul
0 wk
7 Jun
3 Jul
0 wk
Potato
Solanum tuberosum
6 – 20 May
20 May
4-6 wk
17 Jun
17 Jun
1 wk after
17 Jun
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
19 Apr – 3 May
18 Jun
5-7 wk
7 Jun
23 Jul
0 wk
8 Jun
13 Jul
0 wk
Pumpkin
Cucurbita pepo
Fleece
30 May – 6 Jun
15 Jun
3-4 wk
27 Jun
6 Jul
3 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
16 – 23 May
29 May
3-4 wk
13 Jun
19 Jun
1 wk after
20 Jun
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
26 Apr – 10 May
20 Jun
4-6 wk
7 Jun
18 Jul
0 wk
Lettuce
Lactuca sativa
10 – 17 May
7 Jul
3-4 wk
7 Jun
28 Jul
0 wk
8 Jun
18 Jul
0 wk
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
26 Apr – 10 May
20 Jun
4-6 wk
7 Jun
18 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
10 – 24 May
28 May
2-4 wk
7 Jun
11 Jun
0 wk
7 Jun
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
8 Jun
8 Jun
0 wk
8 Jun
0 wk
Spinach
Spinacia oleracea
10 – 17 May
22 Jul
3-4 wk
7 Jun
12 Aug
0 wk
4 Jun
2 Aug
0 wk
Sweet potato
Ipomoea batatas
2 – 16 Jul
4-6 wk
13 Aug
10 wk after
Garden tomato
Solanum lycopersicum
Fleece
23 Apr – 7 May
1 May
6-8 wk
18 Jun
2 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
30 May – 13 Jun
8 Jun
2-4 wk
27 Jun
3 wk after
20 Jul
6 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
26 Apr – 10 May
20 Jun
4-6 wk
7 Jun
18 Jul
0 wk
Garden pea
Pisum sativum
10 – 17 May
22 Jun
3-4 wk
7 Jun
13 Jul
0 wk
8 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
Fleece
16 – 30 May
24 May
4-6 wk
27 Jun
3 wk after
Lemon balm
Melissa officinalis
29 Mar – 12 Apr
18 May
8-10 wk
7 Jun
13 Jul
0 wk
2 Jul
3 Jul
4 wk after
Dill
Anethum graveolens
8 Jun
23 Jul
0 wk
Wild chives
Allium schoenoprasum
12 – 26 Apr
1 Jun
6-8 wk
7 Jun
13 Jul
0 wk
8 Jun
3 Jul
0 wk
Spearmint
Mentha spicata
15 Mar – 12 Apr
18 May
8-12 wk
7 Jun
13 Jul
0 wk
2 Jul
3 Jul
4 wk after
Coriander
Coriandrum sativum
7 Jun
12 Aug
0 wk
20 Jun
2 Aug
2 wk after
Garden sage
Salvia officinalis
4 – 18 Apr
3 May
8-10 wk
13 Jun
28 Jun
1 wk after
Common thyme
Thymus vulgaris
29 Mar – 12 Apr
8 May
8-10 wk
7 Jun
3 Jul
0 wk
Oregano
Origanum vulgare
12 – 26 Apr
22 May
6-8 wk
7 Jun
3 Jul
0 wk
2 Jul
4 wk after
Parsley
Petroselinum crispum
12 – 26 Apr
22 May
6-8 wk
7 Jun
3 Jul
0 wk
8 Jun
23 Jun
0 wk
Rosemary
Salvia rosmarinus
7 Mar – 4 Apr
28 Mar
10-14 wk
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
Fleece
30 May – 6 Jun
31 May
3-4 wk
27 Jun
3 wk after
Cornflower
Centaurea cyanus
7 Jun
13 Jul
0 wk
8 Jun
3 Jul
0 wk
Statice
Limonium sinuatum
18 Apr – 2 May
23 Apr
8-10 wk
27 Jun
3 wk after
Sweet William
Dianthus barbatus
12 – 26 Apr
6-8 wk
7 Jun
0 wk
17 Jun
1 wk after
Snow-on-the-mountain
Euphorbia marginata
2 – 16 May
7 May
6-8 wk
27 Jun
3 wk after
13 Aug
10 wk after
Pinnate dahlia
Dahlia × pinnata
27 Apr – 11 May
14 May
6-8 wk
22 Jun
25 Jun
2 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
Fleece
25 Apr – 23 May
5 Jun
4-8 wk
20 Jun
3 Jul
2 wk after
20 Jun
23 Jun
2 wk after
Foxglove
Digitalis purpurea
29 Mar – 12 Apr
8-10 wk
7 Jun
0 wk
20 Jun
2 wk after
Busy lizzie
Impatiens walleriana
18 Apr – 16 May
11 Jun
8-12 wk
11 Jul
6 Aug
5 wk after
Creeping zinnia
Sanvitalia procumbens
2 – 16 May
17 May
6-8 wk
27 Jun
28 Jun
3 wk after
Hyacinth bean
Dolichos lablab
Season too short
16 – 30 May
4-6 wk
27 Jun
3 wk after
Chinese lantern
Physalis alkekengi
4 – 18 Apr
18 Apr
8-10 wk
13 Jun
13 Jun
1 wk after
Love in a mist
Nigella damascena
7 Jun
28 Jun
0 wk
8 Jun
18 Jun
0 wk
Strawflower
Xerochrysum bracteatum
Fleece
23 Apr – 7 May
9 May
6-8 wk
18 Jun
20 Jun
2 wk after
27 Jul
7 wk after
Purple-top vervain
Verbena bonariensis
21 Mar – 18 Apr
18 Apr
8-12 wk
13 Jun
13 Jun
1 wk after
Cardoon
Cynara cardunculus
Greenhouse
19 Mar – 16 Apr
19 Mar
8-12 wk
11 Jun
1 wk after
Regal-foxtail
Ptilotus nobilis
Fleece
4 Apr – 2 May
16 Apr
8-12 wk
27 Jun
3 wk after
Globe amaranth
Gomphrena globosa
Fleece
2 – 16 May
6-8 wk
27 Jun
3 wk after
Corn poppy
Papaver rhoeas
7 Jun
13 Jul
0 wk
8 Jun
3 Jul
0 wk
Snapdragon
Antirrhinum majus
15 Mar – 12 Apr
8 May
8-12 wk
7 Jun
3 Jul
0 wk
17 Jun
23 Jun
1 wk after
Flossflower
Ageratum houstonianum
Fleece
18 Apr – 2 May
15 May
8-10 wk
27 Jun
10 Jul
3 wk after
Sweet pea
Lathyrus odoratus
12 Apr – 3 May
29 May
5-8 wk
7 Jun
3 Jul
0 wk
Stock
Matthiola incana
12 – 26 Apr
1 Jun
6-8 wk
7 Jun
13 Jul
0 wk
20 Jun
3 Jul
2 wk after
Wormwood
Artemisia absinthium
12 – 26 Apr
2 May
6-8 wk
7 Jun
13 Jun
0 wk
20 Jun
2 wk after
Mexican sunflower
Tithonia rotundifolia
Greenhouse
7 – 21 May
23 May
4-6 wk
18 Jun
20 Jun
2 wk after
Garden pansy
Viola × wittrockiana
29 Mar – 12 Apr
18 May
8-10 wk
7 Jun
13 Jul
0 wk
17 Jun
3 Jul
1 wk after
Petunia
Petunia
4 Apr – 2 May
23 Apr
8-12 wk
27 Jun
3 wk after
Sweet Scabious
Scabiosa atropurpurea
18 Apr – 2 May
2 May
6-8 wk
13 Jun
13 Jun
1 wk after
20 Jul
6 wk after
Common zinnia
Zinnia elegans
16 – 30 May
24 May
4-6 wk
27 Jun
3 wk after
Common morning glory
Ipomoea purpurea
Fleece
23 May – 6 Jun
31 May
3-5 wk
27 Jun
3 wk after
Garden cosmos
Cosmos bipinnatus
16 – 30 May
28 May
4-6 wk
27 Jun
3 wk after
20 Jul
6 wk after
Scarlet milkweed
Asclepias curassavica
Fleece
18 Apr – 16 May
16 May
8-12 wk
11 Jul
11 Jul
5 wk after
Bee balm
Monarda didyma
15 Mar – 12 Apr
18 Apr
8-12 wk
7 Jun
13 Jun
0 wk
2 Jul
4 wk after
Yarrow
Achillea millefolium
12 – 26 Apr
6-8 wk
7 Jun
0 wk
20 Jun
2 wk after
Safflower
Carthamus tinctorius
7 Jun
13 Jun
0 wk
8 Jun
0 wk
Iceland poppy
Papaver nudicaule
Season too short
12 – 26 Apr
22 May
6-8 wk
7 Jun
3 Jul
0 wk
22 May
23 Jun
2 wk before
Bishop's flower
Ammi majus
26 Apr – 10 May
5 Jun
4-6 wk
7 Jun
3 Jul
0 wk
20 Jun
23 Jun
2 wk after
Drumsticks
Pycnosorus globosus
Greenhouse
26 Mar – 9 Apr
4 Apr
10-12 wk
18 Jun
2 wk after
Sunflower
Helianthus annuus
30 May – 6 Jun
5 Jun
3-4 wk
27 Jun
3 wk after
2 Jul
4 wk after
China aster
Callistephus chinensis
2 – 16 May
25 May
6-8 wk
27 Jun
6 Jul
3 wk after
20 Jul
6 wk after
Annual phlox
Phlox drummondii
23 Apr – 7 May
17 May
6-8 wk
18 Jun
28 Jun
2 wk after
20 Jul
6 wk after
Hollyhock
Alcea rosea
12 – 26 Apr
6-8 wk
7 Jun
0 wk
20 Jun
2 wk after
Alpine delphinium
Delphinium elatum
15 Mar – 12 Apr
18 Apr
8-12 wk
7 Jun
13 Jun
0 wk
2 Jul
4 wk after
African marigold
Tagetes erecta
2 – 16 May
17 May
6-8 wk
27 Jun
28 Jun
3 wk after
Black-eyed Susan
Rudbeckia hirta
18 Apr – 2 May
15 May
6-8 wk
13 Jun
26 Jun
1 wk after
20 Jul
6 wk after
Wood sage
Salvia nemorosa
29 Mar – 12 Apr
8 Apr
8-10 wk
7 Jun
0 wk
2 Jul
4 wk after
Black-eyed susan vine
Thunbergia alata
Fleece
18 Apr – 16 May
10 May
6-10 wk
27 Jun
3 wk after
California goldenpoppy
Eschscholzia californica
7 Jun
13 Jul
0 wk
8 Jun
3 Jul
0 wk
Painted tongue
Salpiglossis sinuata
Fleece
9 – 23 Apr
8 May
8-10 wk
18 Jun
3 Jul
2 wk after
Water forget-me-not
Myosotis scorpioides
12 – 26 Apr
2 May
6-8 wk
7 Jun
13 Jun
0 wk
20 Jun
2 wk after