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Method
Rel. frost
Last spring frost (0°C) 5 Jun Frost 1 of 10 years · 20 years of data
Frost-free season 137 days 5 Jun – 20 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)
17 Apr – 1 May
21 Jun
5-7 wk
5 Jun
26 Jul
0 wk
30 May
16 Jul
1 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
24 Apr – 8 May
3 Jul
4-6 wk
5 Jun
31 Jul
0 wk
30 May
21 Jul
1 wk before
Chili pepper
Capsicum annuum
Greenhouse
19 Mar – 16 Apr
28 Mar
8-12 wk
11 Jun
1 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
17 Apr – 1 May
16 Jun
5-7 wk
5 Jun
21 Jul
0 wk
23 May
11 Jul
2 wk before
Garden cucumber
Cucumis sativus
Fleece
21 – 28 May
22 May
3-4 wk
18 Jun
2 wk after
Florence Fennel
Foeniculum vulgare
2 – 9 Jun
13 Jun
4-5 wk
7 Jul
11 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)
13 Mar – 10 Apr
6 Apr
8-12 wk
5 Jun
0 wk
18 Jun
2 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
30 May
21 Jun
1 wk before
30 May
11 Jun
1 wk before
Maize
Zea mays
Fleece
14 – 21 May
3-4 wk
11 Jun
1 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
10 – 17 May
10 Jul
3-4 wk
7 Jun
31 Jul
0 wk
18 Jun
21 Jul
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
5 Jun
11 Jul
0 wk
23 May
1 Jul
2 wk before
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
17 Apr – 1 May
16 Jun
5-7 wk
5 Jun
21 Jul
0 wk
23 May
11 Jul
2 wk before
Potato
Solanum tuberosum
29 Apr – 13 May
13 Jun
4-6 wk
10 Jun
11 Jul
1 wk after
10 Jun
1 Jul
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
17 Apr – 1 May
26 Jun
5-7 wk
5 Jun
31 Jul
0 wk
30 May
21 Jul
1 wk before
Pumpkin
Cucurbita pepo
9 – 16 Jun
3-4 wk
7 Jul
5 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
10 – 17 May
5 Jul
3-4 wk
7 Jun
26 Jul
0 wk
18 Jun
16 Jul
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
24 Apr – 8 May
28 Jun
4-6 wk
5 Jun
26 Jul
0 wk
Lettuce
Lactuca sativa
8 – 15 May
15 Jul
3-4 wk
5 Jun
5 Aug
0 wk
30 May
26 Jul
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
24 Apr – 8 May
28 Jun
4-6 wk
5 Jun
26 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
25 Apr – 9 May
7 Jun
2-4 wk
23 May
21 Jun
2 wk before
23 May
11 Jun
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
30 May
21 Jun
1 wk before
30 May
11 Jun
1 wk before
Spinach
Spinacia oleracea
8 – 15 May
30 Jul
3-4 wk
5 Jun
20 Aug
0 wk
16 May
10 Aug
3 wk before
Sweet potato
Ipomoea batatas
7 – 21 Jul
4-6 wk
18 Aug
11 wk after
Garden tomato
Solanum lycopersicum
Fleece
16 – 30 Apr
21 Apr
6-8 wk
11 Jun
1 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
21 May – 4 Jun
29 May
2-4 wk
18 Jun
2 wk after
16 Jul
6 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
24 Apr – 8 May
28 Jun
4-6 wk
5 Jun
26 Jul
0 wk
Garden pea
Pisum sativum
8 – 15 May
30 Jun
3-4 wk
5 Jun
21 Jul
0 wk
30 May
11 Jul
1 wk before

Herbs

Plant Sow indoors Transplant Direct sow
Earliest Latest Growing time Earliest Latest Rel. frost Earliest Latest Rel. frost
Basil
Ocimum basilicum
26 May – 9 Jun
4-6 wk
7 Jul
5 wk after
Lemon balm
Melissa officinalis
27 Mar – 10 Apr
26 May
8-10 wk
5 Jun
21 Jul
0 wk
1 Jul
11 Jul
4 wk after
Dill
Anethum graveolens
30 May
31 Jul
1 wk before
Wild chives
Allium schoenoprasum
10 – 24 Apr
9 Jun
6-8 wk
5 Jun
21 Jul
0 wk
30 May
11 Jul
1 wk before
Spearmint
Mentha spicata
13 Mar – 10 Apr
26 May
8-12 wk
5 Jun
21 Jul
0 wk
1 Jul
11 Jul
4 wk after
Coriander
Coriandrum sativum
5 Jun
20 Aug
0 wk
18 Jun
10 Aug
2 wk after
Garden sage
Salvia officinalis
29 Mar – 12 Apr
11 May
8-10 wk
7 Jun
6 Jul
0 wk
Common thyme
Thymus vulgaris
27 Mar – 10 Apr
16 May
8-10 wk
5 Jun
11 Jul
0 wk
Oregano
Origanum vulgare
10 – 24 Apr
30 May
6-8 wk
5 Jun
11 Jul
0 wk
1 Jul
1 Jul
4 wk after
Parsley
Petroselinum crispum
10 – 24 Apr
30 May
6-8 wk
5 Jun
11 Jul
0 wk
30 May
1 Jul
1 wk before
Rosemary
Salvia rosmarinus
1 – 29 Mar
12 Apr
10-14 wk
7 Jun
21 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
9 – 16 Jun
3-4 wk
7 Jul
5 wk after
Cornflower
Centaurea cyanus
5 Jun
21 Jul
0 wk
30 May
11 Jul
1 wk before
Statice
Limonium sinuatum
9 – 23 Apr
14 Apr
8-10 wk
18 Jun
2 wk after
Sweet William
Dianthus barbatus
10 – 24 Apr
6-8 wk
5 Jun
0 wk
10 Jun
1 wk after
Snow-on-the-mountain
Euphorbia marginata
23 Apr – 7 May
28 Apr
6-8 wk
18 Jun
2 wk after
18 Aug
11 wk after
Pinnate dahlia
Dahlia × pinnata
21 Apr – 5 May
8 May
6-8 wk
16 Jun
19 Jun
2 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
6 May – 3 Jun
22 May
4-8 wk
1 Jul
4 wk after
1 Jul
4 wk after
Foxglove
Digitalis purpurea
27 Mar – 10 Apr
8-10 wk
5 Jun
0 wk
18 Jun
2 wk after
Busy lizzie
Impatiens walleriana
14 Apr – 12 May
3 Jun
8-12 wk
7 Jul
29 Jul
5 wk after
Creeping zinnia
Sanvitalia procumbens
23 Apr – 7 May
8 May
6-8 wk
18 Jun
19 Jun
2 wk after
Hyacinth bean
Dolichos lablab
Season too short
7 – 21 May
4-6 wk
18 Jun
2 wk after
Chinese lantern
Physalis alkekengi
29 Mar – 12 Apr
26 Apr
8-10 wk
7 Jun
21 Jun
0 wk
Love in a mist
Nigella damascena
5 Jun
6 Jul
0 wk
30 May
26 Jun
1 wk before
Strawflower
Xerochrysum bracteatum
23 Apr – 7 May
6-8 wk
18 Jun
2 wk after
18 Aug
11 wk after
Purple-top vervain
Verbena bonariensis
15 Mar – 12 Apr
26 Apr
8-12 wk
7 Jun
21 Jun
0 wk
Cardoon
Cynara cardunculus
26 Mar – 23 Apr
27 Mar
8-12 wk
18 Jun
2 wk after
Regal-foxtail
Ptilotus nobilis
Fleece
26 Mar – 23 Apr
8 Apr
8-12 wk
18 Jun
2 wk after
Globe amaranth
Gomphrena globosa
Fleece
23 Apr – 7 May
6-8 wk
18 Jun
2 wk after
Corn poppy
Papaver rhoeas
5 Jun
21 Jul
0 wk
30 May
11 Jul
1 wk before
Snapdragon
Antirrhinum majus
13 Mar – 10 Apr
16 May
8-12 wk
5 Jun
11 Jul
0 wk
10 Jun
1 Jul
1 wk after
Flossflower
Ageratum houstonianum
28 Apr – 12 May
8-10 wk
7 Jul
5 wk after
Sweet pea
Lathyrus odoratus
10 Apr – 1 May
6 Jun
5-8 wk
5 Jun
11 Jul
0 wk
Stock
Matthiola incana
10 – 24 Apr
9 Jun
6-8 wk
5 Jun
21 Jul
0 wk
18 Jun
11 Jul
2 wk after
Wormwood
Artemisia absinthium
10 – 24 Apr
10 May
6-8 wk
5 Jun
21 Jun
0 wk
18 Jun
2 wk after
Mexican sunflower
Tithonia rotundifolia
Fleece
7 – 21 May
4-6 wk
18 Jun
2 wk after
Garden pansy
Viola × wittrockiana
27 Mar – 10 Apr
26 May
8-10 wk
5 Jun
21 Jul
0 wk
10 Jun
11 Jul
1 wk after
Petunia
Petunia
26 Mar – 23 Apr
14 Apr
8-12 wk
18 Jun
2 wk after
Sweet Scabious
Scabiosa atropurpurea
12 – 26 Apr
10 May
6-8 wk
7 Jun
21 Jun
0 wk
16 Jul
6 wk after
Common zinnia
Zinnia elegans
7 – 21 May
16 May
4-6 wk
18 Jun
2 wk after
Common morning glory
Ipomoea purpurea
2 – 16 Jun
3-5 wk
7 Jul
5 wk after
Garden cosmos
Cosmos bipinnatus
7 – 21 May
22 May
4-6 wk
18 Jun
19 Jun
2 wk after
16 Jul
6 wk after
Scarlet milkweed
Asclepias curassavica
5 May – 2 Jun
8-12 wk
28 Jul
8 wk after
Bee balm
Monarda didyma
13 Mar – 10 Apr
26 Apr
8-12 wk
5 Jun
21 Jun
0 wk
1 Jul
4 wk after
Yarrow
Achillea millefolium
10 – 24 Apr
10 Apr
6-8 wk
5 Jun
0 wk
18 Jun
2 wk after
Safflower
Carthamus tinctorius
5 Jun
21 Jun
0 wk
30 May
11 Jun
1 wk before
Iceland poppy
Papaver nudicaule
Season too short
10 – 24 Apr
30 May
6-8 wk
5 Jun
11 Jul
0 wk
20 Apr
1 Jul
7 wk before
Bishop's flower
Ammi majus
24 Apr – 8 May
13 Jun
4-6 wk
5 Jun
11 Jul
0 wk
18 Jun
1 Jul
2 wk after
Drumsticks
Pycnosorus globosus
Fleece
26 Mar – 9 Apr
10-12 wk
18 Jun
2 wk after
Sunflower
Helianthus annuus
21 – 28 May
20 Jun
3-4 wk
18 Jun
11 Jul
2 wk after
1 Jul
1 Jul
4 wk after
China aster
Callistephus chinensis
23 Apr – 7 May
9 Jun
6-8 wk
18 Jun
21 Jul
2 wk after
16 Jul
6 wk after
Annual phlox
Phlox drummondii
16 – 30 Apr
8 May
6-8 wk
11 Jun
19 Jun
1 wk after
16 Jul
6 wk after
Hollyhock
Alcea rosea
10 – 24 Apr
6-8 wk
5 Jun
0 wk
18 Jun
2 wk after
Alpine delphinium
Delphinium elatum
13 Mar – 10 Apr
26 Apr
8-12 wk
5 Jun
21 Jun
0 wk
1 Jul
4 wk after
African marigold
Tagetes erecta
23 Apr – 7 May
8 May
6-8 wk
18 Jun
19 Jun
2 wk after
Black-eyed Susan
Rudbeckia hirta
12 – 26 Apr
30 May
6-8 wk
7 Jun
11 Jul
0 wk
16 Jul
6 wk after
Wood sage
Salvia nemorosa
27 Mar – 10 Apr
16 Apr
8-10 wk
5 Jun
11 Jun
0 wk
1 Jul
4 wk after
Black-eyed susan vine
Thunbergia alata
28 Apr – 26 May
6-10 wk
7 Jul
5 wk after
California goldenpoppy
Eschscholzia californica
5 Jun
21 Jul
0 wk
30 May
11 Jul
1 wk before
Painted tongue
Salpiglossis sinuata
9 – 23 Apr
16 May
8-10 wk
18 Jun
11 Jul
2 wk after
Water forget-me-not
Myosotis scorpioides
10 – 24 Apr
10 May
6-8 wk
5 Jun
21 Jun
0 wk
18 Jun
2 wk after