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Method
Rel. frost
Last spring frost (0°C) 5 Jun Frost 9 of 10 years · 20 years of data
Frost-free season 32 days 5 Jun – 7 Jul
Probability that frost is over

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

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