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No frost in sight Last frost normally in 6 days (15 May), but frost-free in the forecast.
Method
Rel. frost
Last spring frost (0°C) 15 May Frost 3 of 4 years · 20 years of data
Frost-free season 118 days 15 May – 10 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)
27 Mar – 10 Apr
16 Jun
5-7 wk
15 May
21 Jul
0 wk
19 May
11 Jul
1 wk after
Broccoli
Brassica oleracea (Italica-gruppen)
3 – 17 Apr
28 Jun
4-6 wk
15 May
26 Jul
0 wk
19 May
16 Jul
1 wk after
Chili pepper
Capsicum annuum
Greenhouse
7 Mar – 4 Apr
30 Mar
8-12 wk
30 May
2 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
27 Mar – 10 Apr
11 Jun
5-7 wk
15 May
16 Jul
0 wk
15 May
6 Jul
0 wk
Garden cucumber
Cucumis sativus
Fleece
14 – 21 May
24 May
3-4 wk
11 Jun
14 Jun
4 wk after
Florence Fennel
Foeniculum vulgare
23 – 30 May
4-5 wk
27 Jun
6 wk after
3 Jul
7 wk after
Butter bean
Phaseolus lunatus
Season too short
4 – 11 Jun
3-4 wk
2 Jul
7 wk after
Onion
Allium cepa (Cepa-gruppen)
20 Feb – 20 Mar
21 Mar
8-12 wk
15 May
16 May
0 wk
5 Jun
3 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
19 May
5 Jun
1 wk after
19 May
26 May
1 wk after
Maize
Zea mays
Fleece
2 – 9 May
14 May
3-4 wk
30 May
4 Jun
2 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
25 Apr – 2 May
24 Jun
3-4 wk
23 May
15 Jul
1 wk after
5 Jun
5 Jul
3 wk after
Carrot
Daucus carota subsp. sativus var. sativus
15 May
3 Jul
0 wk
15 May
23 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
27 Mar – 10 Apr
11 Jun
5-7 wk
15 May
16 Jul
0 wk
15 May
6 Jul
0 wk
Potato
Solanum tuberosum
19 Apr – 3 May
18 May
4-6 wk
31 May
15 Jun
2 wk after
31 May
5 Jun
2 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
27 Mar – 10 Apr
18 Jun
5-7 wk
15 May
23 Jul
0 wk
19 May
13 Jul
1 wk after
Pumpkin
Cucurbita pepo
30 May – 6 Jun
3-4 wk
27 Jun
6 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
25 Apr – 2 May
28 May
3-4 wk
23 May
18 Jun
1 wk after
5 Jun
8 Jun
3 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
3 – 17 Apr
23 Jun
4-6 wk
15 May
21 Jul
0 wk
Lettuce
Lactuca sativa
17 – 24 Apr
7 Jul
3-4 wk
15 May
28 Jul
0 wk
19 May
18 Jul
1 wk after
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
3 – 17 Apr
23 Jun
4-6 wk
15 May
21 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
17 Apr – 1 May
28 May
2-4 wk
15 May
11 Jun
0 wk
15 May
1 Jun
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
19 May
5 Jun
1 wk after
19 May
26 May
1 wk after
Spinach
Spinacia oleracea
17 – 24 Apr
25 Jul
3-4 wk
15 May
15 Aug
0 wk
11 May
5 Aug
1 wk before
Sweet potato
Ipomoea batatas
16 – 30 Jun
4-6 wk
28 Jul
11 wk after
Garden tomato
Solanum lycopersicum
Fleece
4 – 18 Apr
23 Apr
6-8 wk
30 May
4 Jun
2 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
14 – 28 May
31 May
2-4 wk
11 Jun
14 Jun
4 wk after
3 Jul
7 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
3 – 17 Apr
23 Jun
4-6 wk
15 May
21 Jul
0 wk
Garden pea
Pisum sativum
17 – 24 Apr
22 Jun
3-4 wk
15 May
13 Jul
0 wk
19 May
3 Jul
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
Fleece
30 Apr – 14 May
27 May
4-6 wk
11 Jun
24 Jun
4 wk after
Lemon balm
Melissa officinalis
6 – 20 Mar
18 May
8-10 wk
15 May
13 Jul
0 wk
19 Jun
3 Jul
5 wk after
Dill
Anethum graveolens
19 May
15 Jul
1 wk after
Wild chives
Allium schoenoprasum
20 Mar – 3 Apr
4 Jun
6-8 wk
15 May
16 Jul
0 wk
19 May
6 Jul
1 wk after
Spearmint
Mentha spicata
20 Feb – 20 Mar
21 May
8-12 wk
15 May
16 Jul
0 wk
19 Jun
6 Jul
5 wk after
Coriander
Coriandrum sativum
15 May
4 Aug
0 wk
5 Jun
25 Jul
3 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
6 – 20 Mar
11 May
8-10 wk
15 May
6 Jul
0 wk
Oregano
Origanum vulgare
20 Mar – 3 Apr
25 May
6-8 wk
15 May
6 Jul
0 wk
19 Jun
26 Jun
5 wk after
Parsley
Petroselinum crispum
20 Mar – 3 Apr
25 May
6-8 wk
15 May
6 Jul
0 wk
19 May
26 Jun
1 wk after
Rosemary
Salvia rosmarinus
14 Feb – 14 Mar
25 Mar
10-14 wk
23 May
3 Jun
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
14 – 21 May
3 Jun
3-4 wk
11 Jun
24 Jun
4 wk after
Cornflower
Centaurea cyanus
15 May
16 Jul
0 wk
19 May
6 Jul
1 wk after
Statice
Limonium sinuatum
2 – 16 Apr
23 Apr
8-10 wk
11 Jun
18 Jun
4 wk after
Sweet William
Dianthus barbatus
20 Mar – 3 Apr
6-8 wk
15 May
0 wk
31 May
2 wk after
Snow-on-the-mountain
Euphorbia marginata
16 – 30 Apr
7 May
6-8 wk
11 Jun
18 Jun
4 wk after
28 Jul
11 wk after
Pinnate dahlia
Dahlia × pinnata
8 – 22 Apr
8 May
6-8 wk
3 Jun
19 Jun
3 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
24 Apr – 22 May
22 May
4-8 wk
19 Jun
19 Jun
5 wk after
19 Jun
5 wk after
Foxglove
Digitalis purpurea
6 – 20 Mar
8-10 wk
15 May
0 wk
5 Jun
3 wk after
Busy lizzie
Impatiens walleriana
4 Apr – 2 May
14 Jun
8-12 wk
27 Jun
9 Aug
6 wk after
Creeping zinnia
Sanvitalia procumbens
16 – 30 Apr
17 May
6-8 wk
11 Jun
28 Jun
4 wk after
Hyacinth bean
Dolichos lablab
Season too short
30 Apr – 14 May
4-6 wk
11 Jun
4 wk after
Chinese lantern
Physalis alkekengi
14 – 28 Mar
10 Apr
8-10 wk
23 May
5 Jun
1 wk after
Love in a mist
Nigella damascena
15 May
28 Jun
0 wk
19 May
18 Jun
1 wk after
Strawflower
Xerochrysum bracteatum
16 – 30 Apr
27 Apr
6-8 wk
11 Jun
4 wk after
28 Jul
11 wk after
Purple-top vervain
Verbena bonariensis
28 Feb – 28 Mar
10 Apr
8-12 wk
23 May
5 Jun
1 wk after
Cardoon
Cynara cardunculus
Fleece
7 Mar – 4 Apr
19 Mar
8-12 wk
30 May
2 wk after
Regal-foxtail
Ptilotus nobilis
Fleece
19 Mar – 16 Apr
19 Apr
8-12 wk
11 Jun
14 Jun
4 wk after
Globe amaranth
Gomphrena globosa
Fleece
16 – 30 Apr
3 May
6-8 wk
11 Jun
14 Jun
4 wk after
Corn poppy
Papaver rhoeas
15 May
13 Jul
0 wk
19 May
3 Jul
1 wk after
Snapdragon
Antirrhinum majus
20 Feb – 20 Mar
8 May
8-12 wk
15 May
3 Jul
0 wk
31 May
23 Jun
2 wk after
Flossflower
Ageratum houstonianum
18 Apr – 2 May
3 May
8-10 wk
27 Jun
28 Jun
6 wk after
Sweet pea
Lathyrus odoratus
20 Mar – 10 Apr
1 Jun
5-8 wk
15 May
6 Jul
0 wk
Stock
Matthiola incana
20 Mar – 3 Apr
1 Jun
6-8 wk
15 May
13 Jul
0 wk
5 Jun
3 Jul
3 wk after
Wormwood
Artemisia absinthium
20 Mar – 3 Apr
5 May
6-8 wk
15 May
16 Jun
0 wk
5 Jun
6 Jun
3 wk after
Mexican sunflower
Tithonia rotundifolia
Fleece
30 Apr – 14 May
12 May
4-6 wk
11 Jun
4 wk after
Garden pansy
Viola × wittrockiana
6 – 20 Mar
21 May
8-10 wk
15 May
16 Jul
0 wk
31 May
6 Jul
2 wk after
Petunia
Petunia
19 Mar – 16 Apr
23 Apr
8-12 wk
11 Jun
18 Jun
4 wk after
Sweet Scabious
Scabiosa atropurpurea
28 Mar – 11 Apr
24 Apr
6-8 wk
23 May
5 Jun
1 wk after
3 Jul
7 wk after
Common zinnia
Zinnia elegans
30 Apr – 14 May
27 May
4-6 wk
11 Jun
24 Jun
4 wk after
Common morning glory
Ipomoea purpurea
Fleece
7 – 21 May
3 Jun
3-5 wk
11 Jun
24 Jun
4 wk after
Garden cosmos
Cosmos bipinnatus
30 Apr – 14 May
22 May
4-6 wk
11 Jun
19 Jun
4 wk after
3 Jul
7 wk after
Scarlet milkweed
Asclepias curassavica
Fleece
4 Apr – 2 May
19 May
8-12 wk
27 Jun
14 Jul
6 wk after
Bee balm
Monarda didyma
20 Feb – 20 Mar
18 Apr
8-12 wk
15 May
13 Jun
0 wk
19 Jun
5 wk after
Yarrow
Achillea millefolium
20 Mar – 3 Apr
5 Apr
6-8 wk
15 May
17 May
0 wk
5 Jun
3 wk after
Safflower
Carthamus tinctorius
15 May
16 Jun
0 wk
19 May
6 Jun
1 wk after
Iceland poppy
Papaver nudicaule
Season too short
20 Mar – 3 Apr
25 May
6-8 wk
15 May
6 Jul
0 wk
27 Apr
26 Jun
3 wk before
Bishop's flower
Ammi majus
3 – 17 Apr
5 Jun
4-6 wk
15 May
3 Jul
0 wk
5 Jun
23 Jun
3 wk after
Drumsticks
Pycnosorus globosus
Greenhouse
7 – 21 Mar
28 Mar
10-12 wk
30 May
6 Jun
2 wk after
Sunflower
Helianthus annuus
14 – 21 May
2 Jun
3-4 wk
11 Jun
23 Jun
4 wk after
19 Jun
5 wk after
China aster
Callistephus chinensis
16 – 30 Apr
22 May
6-8 wk
11 Jun
3 Jul
4 wk after
3 Jul
7 wk after
Annual phlox
Phlox drummondii
4 – 18 Apr
17 May
6-8 wk
30 May
28 Jun
2 wk after
3 Jul
7 wk after
Hollyhock
Alcea rosea
20 Mar – 3 Apr
6-8 wk
15 May
0 wk
5 Jun
3 wk after
Alpine delphinium
Delphinium elatum
20 Feb – 20 Mar
18 Apr
8-12 wk
15 May
13 Jun
0 wk
19 Jun
5 wk after
African marigold
Tagetes erecta
16 – 30 Apr
17 May
6-8 wk
11 Jun
28 Jun
4 wk after
Black-eyed Susan
Rudbeckia hirta
28 Mar – 11 Apr
12 May
6-8 wk
23 May
23 Jun
1 wk after
3 Jul
7 wk after
Wood sage
Salvia nemorosa
6 – 20 Mar
8 Apr
8-10 wk
15 May
3 Jun
0 wk
19 Jun
5 wk after
Black-eyed susan vine
Thunbergia alata
Fleece
2 – 30 Apr
13 May
6-10 wk
11 Jun
24 Jun
4 wk after
California goldenpoppy
Eschscholzia californica
15 May
9 Jul
0 wk
19 May
29 Jun
1 wk after
Painted tongue
Salpiglossis sinuata
2 – 16 Apr
21 Apr
8-10 wk
11 Jun
16 Jun
4 wk after
Water forget-me-not
Myosotis scorpioides
20 Mar – 3 Apr
5 May
6-8 wk
15 May
16 Jun
0 wk
5 Jun
6 Jun
3 wk after