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Rel. frost
Last spring frost (0°C) 29 May Frost 1 of 10 years · 20 years of data
Frost-free season 132 days 29 May – 8 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)
12 – 26 May
19 Jun
5-7 wk
30 Jun
24 Jul
5 wk after
23 May
14 Jul
1 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
7 – 21 May
1 Jul
4-6 wk
18 Jun
29 Jul
3 wk after
23 May
19 Jul
1 wk before
Chili pepper
Capsicum annuum
Season too short
16 Apr – 14 May
8-12 wk
9 Jul
6 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
11 – 25 Mar
14 Jun
5-7 wk
29 Apr
19 Jul
4 wk before
16 May
9 Jul
2 wk before
Garden cucumber
Cucumis sativus
Greenhouse
11 – 18 Jun
3-4 wk
9 Jul
6 wk after
Florence Fennel
Foeniculum vulgare
30 Jun – 7 Jul
4-5 wk
4 Aug
10 wk after
9 Jul
6 wk after
Butter bean
Phaseolus lunatus
Season too short
11 – 18 Jul
3-4 wk
8 Aug
10 wk after
Onion
Allium cepa (Cepa-gruppen)
6 Mar – 3 Apr
4 Apr
8-12 wk
29 May
30 May
Vid frost
11 Jun
2 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
23 May
19 Jun
1 wk before
23 May
9 Jun
1 wk before
Maize
Zea mays
Greenhouse
27 May – 3 Jun
3-4 wk
24 Jun
4 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
2 – 9 Jun
8 Jul
3-4 wk
30 Jun
29 Jul
5 wk after
11 Jun
19 Jul
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
16 May
29 Jun
2 wk before
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
11 – 25 Mar
14 Jun
5-7 wk
29 Apr
19 Jul
4 wk before
16 May
9 Jul
2 wk before
Potato
Solanum tuberosum
22 Apr – 6 May
11 Jun
4-6 wk
3 Jun
9 Jul
1 wk after
3 Jun
29 Jun
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
11 – 25 Mar
24 Jun
5-7 wk
29 Apr
29 Jul
4 wk before
23 May
19 Jul
1 wk before
Pumpkin
Cucurbita pepo
Fleece
26 Jun – 3 Jul
3-4 wk
24 Jul
8 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
2 – 9 Jun
1 Jul
3-4 wk
30 Jun
22 Jul
5 wk after
11 Jun
12 Jul
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
7 – 21 May
26 Jun
4-6 wk
18 Jun
24 Jul
3 wk after
Lettuce
Lactuca sativa
22 – 29 Apr
13 Jul
3-4 wk
20 May
3 Aug
1 wk before
23 May
24 Jul
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
8 – 22 Apr
26 Jun
4-6 wk
20 May
24 Jul
1 wk before
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
18 Apr – 2 May
5 Jun
2-4 wk
16 May
19 Jun
2 wk before
16 May
9 Jun
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
23 May
19 Jun
1 wk before
23 May
9 Jun
1 wk before
Spinach
Spinacia oleracea
11 – 18 Apr
28 Jul
3-4 wk
9 May
18 Aug
3 wk before
9 May
8 Aug
3 wk before
Sweet potato
Ipomoea batatas
30 Jun – 14 Jul
4-6 wk
11 Aug
11 wk after
Garden tomato
Solanum lycopersicum
Greenhouse
29 Apr – 13 May
6-8 wk
24 Jun
4 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Fleece
11 – 25 Jun
2-4 wk
9 Jul
6 wk after
24 Jun
4 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
7 – 21 May
26 Jun
4-6 wk
18 Jun
24 Jul
3 wk after
Garden pea
Pisum sativum
11 – 18 Apr
28 Jun
3-4 wk
9 May
19 Jul
3 wk before
23 May
9 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
Greenhouse
28 May – 11 Jun
4-6 wk
9 Jul
6 wk after
Lemon balm
Melissa officinalis
20 Mar – 3 Apr
24 May
8-10 wk
29 May
19 Jul
Vid frost
24 Jun
9 Jul
4 wk after
Dill
Anethum graveolens
23 May
29 Jul
1 wk before
Wild chives
Allium schoenoprasum
4 – 18 Mar
7 Jun
6-8 wk
29 Apr
19 Jul
4 wk before
23 May
9 Jul
1 wk before
Spearmint
Mentha spicata
14 Feb – 14 Mar
24 May
8-12 wk
9 May
19 Jul
3 wk before
24 Jun
9 Jul
4 wk after
Coriander
Coriandrum sativum
11 Jun
8 Aug
2 wk after
Garden sage
Salvia officinalis
21 Apr – 5 May
9 May
8-10 wk
30 Jun
4 Jul
5 wk after
Common thyme
Thymus vulgaris
9 – 23 Apr
14 May
8-10 wk
18 Jun
9 Jul
3 wk after
Oregano
Origanum vulgare
12 – 26 Apr
28 May
6-8 wk
7 Jun
9 Jul
1 wk after
24 Jun
29 Jun
4 wk after
Parsley
Petroselinum crispum
14 – 28 Mar
28 May
6-8 wk
9 May
9 Jul
3 wk before
23 May
29 Jun
1 wk before
Rosemary
Salvia rosmarinus
24 Mar – 21 Apr
10 Apr
10-14 wk
30 Jun
5 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
11 – 18 Jun
3-4 wk
9 Jul
6 wk after
Cornflower
Centaurea cyanus
9 May
19 Jul
3 wk before
23 May
9 Jul
1 wk before
Statice
Limonium sinuatum
Fleece
30 Apr – 14 May
8-10 wk
9 Jul
6 wk after
Sweet William
Dianthus barbatus
14 – 28 Mar
6-8 wk
9 May
3 wk before
3 Jun
1 wk after
Snow-on-the-mountain
Euphorbia marginata
Fleece
14 – 28 May
6-8 wk
9 Jul
6 wk after
14 Jul
7 wk after
Pinnate dahlia
Dahlia × pinnata
Fleece
5 – 19 May
20 May
6-8 wk
30 Jun
1 Jul
5 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
29 Apr – 27 May
15 May
4-8 wk
24 Jun
4 wk after
24 Jun
4 wk after
Foxglove
Digitalis purpurea
28 Feb – 14 Mar
8-10 wk
9 May
3 wk before
11 Jun
2 wk after
Busy lizzie
Impatiens walleriana
12 May – 9 Jun
29 May
8-12 wk
4 Aug
10 wk after
Creeping zinnia
Sanvitalia procumbens
Fleece
14 – 28 May
15 May
6-8 wk
9 Jul
6 wk after
Hyacinth bean
Dolichos lablab
Season too short
12 – 26 Jun
4-6 wk
24 Jul
8 wk after
Chinese lantern
Physalis alkekengi
21 Apr – 5 May
24 Apr
8-10 wk
30 Jun
5 wk after
Love in a mist
Nigella damascena
23 May
24 Jun
1 wk before
Strawflower
Xerochrysum bracteatum
Greenhouse
29 Apr – 13 May
10 May
6-8 wk
24 Jun
4 wk after
1 Jul
5 wk after
Purple-top vervain
Verbena bonariensis
7 Apr – 5 May
24 Apr
8-12 wk
30 Jun
5 wk after
Cardoon
Cynara cardunculus
1 – 29 May
8-12 wk
24 Jul
8 wk after
Regal-foxtail
Ptilotus nobilis
Season too short
16 Apr – 14 May
17 Apr
8-12 wk
9 Jul
6 wk after
Globe amaranth
Gomphrena globosa
Season too short
14 – 28 May
6-8 wk
9 Jul
6 wk after
Corn poppy
Papaver rhoeas
23 May
9 Jul
1 wk before
Snapdragon
Antirrhinum majus
25 Feb – 25 Mar
14 May
8-12 wk
20 May
9 Jul
1 wk before
3 Jun
29 Jun
1 wk after
Flossflower
Ageratum houstonianum
Fleece
15 – 29 May
8-10 wk
24 Jul
8 wk after
Sweet pea
Lathyrus odoratus
14 Mar – 4 Apr
4 Jun
5-8 wk
9 May
9 Jul
3 wk before
Stock
Matthiola incana
25 Mar – 8 Apr
7 Jun
6-8 wk
20 May
19 Jul
1 wk before
11 Jun
9 Jul
2 wk after
Wormwood
Artemisia absinthium
14 – 28 Mar
8 May
6-8 wk
9 May
19 Jun
3 wk before
11 Jun
2 wk after
Mexican sunflower
Tithonia rotundifolia
Season too short
28 May – 11 Jun
4-6 wk
9 Jul
6 wk after
Garden pansy
Viola × wittrockiana
18 Feb – 4 Mar
24 May
8-10 wk
29 Apr
19 Jul
4 wk before
3 Jun
9 Jul
1 wk after
Petunia
Petunia
Fleece
16 Apr – 14 May
21 Apr
8-12 wk
9 Jul
6 wk after
Sweet Scabious
Scabiosa atropurpurea
5 – 19 May
8 May
6-8 wk
30 Jun
5 wk after
9 Jul
6 wk after
Common zinnia
Zinnia elegans
Fleece
28 May – 11 Jun
4-6 wk
9 Jul
6 wk after
Common morning glory
Ipomoea purpurea
Greenhouse
4 – 18 Jun
3-5 wk
9 Jul
6 wk after
Garden cosmos
Cosmos bipinnatus
Fleece
28 May – 11 Jun
3 Jun
4-6 wk
9 Jul
6 wk after
24 Jun
4 wk after
Scarlet milkweed
Asclepias curassavica
Fleece
12 May – 9 Jun
8-12 wk
4 Aug
10 wk after
Bee balm
Monarda didyma
6 Mar – 3 Apr
24 Apr
8-12 wk
29 May
19 Jun
Vid frost
24 Jun
4 wk after
Yarrow
Achillea millefolium
14 – 28 Mar
8 Apr
6-8 wk
9 May
20 May
3 wk before
11 Jun
2 wk after
Safflower
Carthamus tinctorius
9 May
19 Jun
3 wk before
23 May
9 Jun
1 wk before
Iceland poppy
Papaver nudicaule
4 – 18 Mar
28 May
6-8 wk
29 Apr
9 Jul
4 wk before
16 May
29 Jun
2 wk before
Bishop's flower
Ammi majus
2 – 16 May
11 Jun
4-6 wk
13 Jun
9 Jul
2 wk after
11 Jun
29 Jun
2 wk after
Drumsticks
Pycnosorus globosus
Season too short
16 – 30 Apr
10-12 wk
9 Jul
6 wk after
Sunflower
Helianthus annuus
26 Jun – 3 Jul
3-4 wk
24 Jul
8 wk after
24 Jun
29 Jun
4 wk after
China aster
Callistephus chinensis
29 May – 12 Jun
7 Jun
6-8 wk
24 Jul
8 wk after
9 Jul
9 Jul
6 wk after
Annual phlox
Phlox drummondii
14 – 28 May
6-8 wk
9 Jul
6 wk after
9 Jul
6 wk after
Hollyhock
Alcea rosea
14 – 28 Mar
6-8 wk
9 May
3 wk before
11 Jun
2 wk after
Alpine delphinium
Delphinium elatum
26 Mar – 23 Apr
24 Apr
8-12 wk
18 Jun
19 Jun
3 wk after
24 Jun
4 wk after
African marigold
Tagetes erecta
Fleece
14 – 28 May
15 May
6-8 wk
9 Jul
6 wk after
Black-eyed Susan
Rudbeckia hirta
5 – 19 May
28 May
6-8 wk
30 Jun
9 Jul
5 wk after
9 Jul
6 wk after
Wood sage
Salvia nemorosa
29 Mar – 12 Apr
14 Apr
8-10 wk
7 Jun
9 Jun
1 wk after
24 Jun
4 wk after
Black-eyed susan vine
Thunbergia alata
Greenhouse
30 Apr – 28 May
11 May
6-10 wk
9 Jul
6 wk after
California goldenpoppy
Eschscholzia californica
23 May
9 Jul
1 wk before
Painted tongue
Salpiglossis sinuata
15 – 29 May
8-10 wk
24 Jul
8 wk after
Water forget-me-not
Myosotis scorpioides
14 – 28 Mar
8 May
6-8 wk
9 May
19 Jun
3 wk before
11 Jun
2 wk after