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-1.5°
Slight frost tonight at 05:00. Frost temperatures between tomorrow 01:00 – 06:00. Bring in or cover sensitive plants
Method
Rel. frost
Last spring frost (0°C) 17 May Frost 3 of 4 years · 20 years of data
Frost-free season 115 days 17 May – 9 Sep
Probability that frost is over

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