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Rel. frost
Last spring frost (0°C) 29 May Frost 9 of 10 years · 20 years of data
Frost-free season 62 days 29 May – 30 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)
10 – 24 Apr
10 Jun
5-7 wk
29 May
15 Jul
0 wk
2 Jun
5 Jul
1 wk after
Broccoli
Brassica oleracea (Italica-gruppen)
17 Apr – 1 May
22 Jun
4-6 wk
29 May
20 Jul
0 wk
2 Jun
10 Jul
1 wk after
Chili pepper
Capsicum annuum
Season too short
12 Mar – 9 Apr
8-12 wk
4 Jun
1 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
10 – 24 Apr
10 Jun
5-7 wk
29 May
15 Jul
0 wk
29 May
5 Jul
0 wk
Garden cucumber
Cucumis sativus
Season too short
7 – 14 May
3-4 wk
4 Jun
1 wk after
Florence Fennel
Foeniculum vulgare
Greenhouse
30 Apr – 7 May
18 May
4-5 wk
4 Jun
15 Jun
1 wk after
19 Jun
3 wk after
Butter bean
Phaseolus lunatus
Season too short
9 – 16 Jun
3-4 wk
7 Jul
6 wk after
Onion
Allium cepa (Cepa-gruppen)
Season too short
6 Mar – 3 Apr
16 Mar
8-12 wk
29 May
0 wk
29 May
0 wk
Onion (sets)
Allium cepa (Cepa-gruppen)
2 Jun
1 wk after
2 Jun
1 wk after
Maize
Zea mays
Season too short
1 – 8 May
3-4 wk
29 May
0 wk
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
3 – 10 May
6 Jun
3-4 wk
31 May
27 Jun
0 wk
19 Jun
3 wk after
Carrot
Daucus carota subsp. sativus var. sativus
29 May
15 Jun
0 wk
29 May
5 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
10 – 24 Apr
10 Jun
5-7 wk
29 May
15 Jul
0 wk
29 May
5 Jul
0 wk
Potato
Solanum tuberosum
Fleece
21 Apr – 5 May
4 May
4-6 wk
2 Jun
1 wk after
2 Jun
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
10 – 24 Apr
31 May
5-7 wk
29 May
5 Jul
0 wk
2 Jun
25 Jun
1 wk after
Pumpkin
Cucurbita pepo
Season too short
7 – 14 May
3-4 wk
4 Jun
1 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
Fleece
1 – 8 May
3-4 wk
29 May
0 wk
8 Jun
1 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
17 Apr – 1 May
22 Jun
4-6 wk
29 May
20 Jul
0 wk
Lettuce
Lactuca sativa
1 – 8 May
19 Jun
3-4 wk
29 May
10 Jul
0 wk
2 Jun
30 Jun
1 wk after
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
17 Apr – 1 May
22 Jun
4-6 wk
29 May
20 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
1 – 15 May
4 May
2-4 wk
29 May
0 wk
29 May
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
2 Jun
1 wk after
2 Jun
1 wk after
Spinach
Spinacia oleracea
1 – 8 May
17 Jul
3-4 wk
29 May
7 Aug
0 wk
25 May
28 Jul
1 wk before
Sweet potato
Ipomoea batatas
30 Jun – 14 Jul
4-6 wk
11 Aug
11 wk after
Garden tomato
Solanum lycopersicum
Season too short
3 – 17 Apr
6-8 wk
29 May
0 wk
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Season too short
1 – 15 May
2-4 wk
29 May
0 wk
19 Jun
3 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
17 Apr – 1 May
22 Jun
4-6 wk
29 May
20 Jul
0 wk
Garden pea
Pisum sativum
1 – 8 May
4 Jun
3-4 wk
29 May
25 Jun
0 wk
2 Jun
15 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
23 Apr – 7 May
4-6 wk
4 Jun
1 wk after
Lemon balm
Melissa officinalis
20 Mar – 3 Apr
30 Apr
8-10 wk
29 May
25 Jun
0 wk
3 Jul
5 wk after
Dill
Anethum graveolens
2 Jun
27 Jun
1 wk after
Wild chives
Allium schoenoprasum
3 – 17 Apr
3 Jun
6-8 wk
29 May
15 Jul
0 wk
2 Jun
5 Jul
1 wk after
Spearmint
Mentha spicata
6 Mar – 3 Apr
15 May
8-12 wk
29 May
10 Jul
0 wk
3 Jul
5 wk after
Coriander
Coriandrum sativum
29 May
17 Jul
0 wk
19 Jun
7 Jul
3 wk after
Garden sage
Salvia officinalis
22 Mar – 5 Apr
5 May
8-10 wk
31 May
30 Jun
0 wk
Common thyme
Thymus vulgaris
20 Mar – 3 Apr
10 May
8-10 wk
29 May
5 Jul
0 wk
Oregano
Origanum vulgare
3 – 17 Apr
19 May
6-8 wk
29 May
30 Jun
0 wk
3 Jul
5 wk after
Parsley
Petroselinum crispum
3 – 17 Apr
19 May
6-8 wk
29 May
30 Jun
0 wk
2 Jun
20 Jun
1 wk after
Rosemary
Salvia rosmarinus
Fleece
20 Feb – 20 Mar
12 Mar
10-14 wk
29 May
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
7 – 14 May
3-4 wk
4 Jun
1 wk after
Cornflower
Centaurea cyanus
29 May
10 Jul
0 wk
2 Jun
30 Jun
1 wk after
Statice
Limonium sinuatum
Season too short
20 Mar – 3 Apr
8-10 wk
29 May
0 wk
Sweet William
Dianthus barbatus
3 – 17 Apr
6-8 wk
29 May
0 wk
14 Jun
2 wk after
Snow-on-the-mountain
Euphorbia marginata
Season too short
3 – 17 Apr
6-8 wk
29 May
0 wk
9 Jul
6 wk after
Pinnate dahlia
Dahlia × pinnata
Season too short
3 – 17 Apr
6-8 wk
29 May
0 wk
Pinnate dahlia (tubers)
Dahlia × pinnata
Season too short
13 Apr – 11 May
4-8 wk
8 Jun
1 wk after
8 Jun
1 wk after
Foxglove
Digitalis purpurea
20 Mar – 3 Apr
8-10 wk
29 May
0 wk
19 Jun
3 wk after
Busy lizzie
Impatiens walleriana
Season too short
12 Mar – 9 Apr
27 Mar
8-12 wk
4 Jun
1 wk after
Creeping zinnia
Sanvitalia procumbens
Season too short
3 – 17 Apr
6-8 wk
29 May
0 wk
Hyacinth bean
Dolichos lablab
Season too short
30 Apr – 14 May
4-6 wk
11 Jun
2 wk after
Chinese lantern
Physalis alkekengi
Fleece
20 Mar – 3 Apr
31 Mar
8-10 wk
29 May
0 wk
Love in a mist
Nigella damascena
29 May
10 Jun
0 wk
2 Jun
1 wk after
Strawflower
Xerochrysum bracteatum
Season too short
3 – 17 Apr
6-8 wk
29 May
0 wk
9 Jul
6 wk after
Purple-top vervain
Verbena bonariensis
Fleece
6 Mar – 3 Apr
31 Mar
8-12 wk
29 May
0 wk
Cardoon
Cynara cardunculus
Season too short
6 Mar – 3 Apr
14 Mar
8-12 wk
29 May
0 wk
Regal-foxtail
Ptilotus nobilis
Season too short
12 Mar – 9 Apr
8-12 wk
4 Jun
1 wk after
Globe amaranth
Gomphrena globosa
Season too short
9 – 23 Apr
6-8 wk
4 Jun
1 wk after
Corn poppy
Papaver rhoeas
29 May
25 Jun
0 wk
2 Jun
15 Jun
1 wk after
Snapdragon
Antirrhinum majus
6 Mar – 3 Apr
20 Apr
8-12 wk
29 May
15 Jun
0 wk
14 Jun
2 wk after
Flossflower
Ageratum houstonianum
Season too short
26 Mar – 9 Apr
8-10 wk
4 Jun
1 wk after
Sweet pea
Lathyrus odoratus
3 – 24 Apr
26 May
5-8 wk
29 May
30 Jun
0 wk
Stock
Matthiola incana
3 – 17 Apr
14 May
6-8 wk
29 May
25 Jun
0 wk
19 Jun
3 wk after
Wormwood
Artemisia absinthium
3 – 17 Apr
4 May
6-8 wk
29 May
15 Jun
0 wk
19 Jun
3 wk after
Mexican sunflower
Tithonia rotundifolia
Season too short
23 Apr – 7 May
4-6 wk
4 Jun
1 wk after
Garden pansy
Viola × wittrockiana
20 Mar – 3 Apr
19 May
8-10 wk
29 May
14 Jul
0 wk
14 Jun
4 Jul
2 wk after
Petunia
Petunia
Season too short
6 Mar – 3 Apr
8-12 wk
29 May
0 wk
Sweet Scabious
Scabiosa atropurpurea
Fleece
3 – 17 Apr
14 Apr
6-8 wk
29 May
0 wk
3 Jul
5 wk after
Common zinnia
Zinnia elegans
Season too short
17 Apr – 1 May
4-6 wk
29 May
0 wk
Common morning glory
Ipomoea purpurea
Season too short
30 Apr – 14 May
3-5 wk
4 Jun
1 wk after
Garden cosmos
Cosmos bipinnatus
Season too short
17 Apr – 1 May
4-6 wk
29 May
0 wk
19 Jun
3 wk after
Scarlet milkweed
Asclepias curassavica
Season too short
19 Mar – 16 Apr
8-12 wk
11 Jun
2 wk after
Bee balm
Monarda didyma
6 Mar – 3 Apr
31 Mar
8-12 wk
29 May
0 wk
3 Jul
5 wk after
Yarrow
Achillea millefolium
3 – 17 Apr
4 Apr
6-8 wk
29 May
0 wk
19 Jun
3 wk after
Safflower
Carthamus tinctorius
29 May
8 Jun
0 wk
2 Jun
1 wk after
Iceland poppy
Papaver nudicaule
Season too short
3 – 17 Apr
24 May
6-8 wk
29 May
5 Jul
0 wk
11 May
25 Jun
3 wk before
Bishop's flower
Ammi majus
17 Apr – 1 May
18 May
4-6 wk
29 May
15 Jun
0 wk
19 Jun
3 wk after
Drumsticks
Pycnosorus globosus
Season too short
12 – 26 Mar
10-12 wk
4 Jun
1 wk after
Sunflower
Helianthus annuus
Fleece
7 – 14 May
20 May
3-4 wk
4 Jun
10 Jun
1 wk after
19 Jun
3 wk after
China aster
Callistephus chinensis
Fleece
9 – 23 Apr
9 May
6-8 wk
4 Jun
20 Jun
1 wk after
3 Jul
5 wk after
Annual phlox
Phlox drummondii
Season too short
3 – 17 Apr
6-8 wk
29 May
0 wk
19 Jun
3 wk after
Hollyhock
Alcea rosea
3 – 17 Apr
6-8 wk
29 May
0 wk
19 Jun
3 wk after
Alpine delphinium
Delphinium elatum
6 Mar – 3 Apr
31 Mar
8-12 wk
29 May
0 wk
3 Jul
5 wk after
African marigold
Tagetes erecta
Season too short
3 – 17 Apr
6-8 wk
29 May
0 wk
Black-eyed Susan
Rudbeckia hirta
5 – 19 Apr
16 Apr
6-8 wk
31 May
0 wk
17 Jul
7 wk after
Wood sage
Salvia nemorosa
20 Mar – 3 Apr
21 Mar
8-10 wk
29 May
0 wk
3 Jul
5 wk after
Black-eyed susan vine
Thunbergia alata
Season too short
26 Mar – 23 Apr
6-10 wk
4 Jun
1 wk after
California goldenpoppy
Eschscholzia californica
29 May
20 Jun
0 wk
2 Jun
10 Jun
1 wk after
Painted tongue
Salpiglossis sinuata
Fleece
26 Mar – 9 Apr
12 Apr
8-10 wk
4 Jun
7 Jun
1 wk after
Water forget-me-not
Myosotis scorpioides
3 – 17 Apr
4 May
6-8 wk
29 May
15 Jun
0 wk
19 Jun
3 wk after