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No frost in sight Last frost normally in 1 days (10 May), but frost-free in the forecast.
Method
Rel. frost
Last spring frost (0°C) 10 May Frost 3 of 4 years · 20 years of data
Frost-free season 130 days 10 May – 17 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)
22 Mar – 5 Apr
14 Jun
5-7 wk
10 May
19 Jul
0 wk
14 May
9 Jul
1 wk after
Broccoli
Brassica oleracea (Italica-gruppen)
29 Mar – 12 Apr
26 Jun
4-6 wk
10 May
24 Jul
0 wk
14 May
14 Jul
1 wk after
Chili pepper
Capsicum annuum
Greenhouse
2 – 30 Mar
25 Mar
8-12 wk
25 May
2 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
22 Mar – 5 Apr
9 Jun
5-7 wk
10 May
14 Jul
0 wk
10 May
4 Jul
0 wk
Garden cucumber
Cucumis sativus
Fleece
9 – 16 May
19 May
3-4 wk
6 Jun
9 Jun
4 wk after
Florence Fennel
Foeniculum vulgare
18 – 25 May
20 May
4-5 wk
22 Jun
6 wk after
28 Jun
7 wk after
Butter bean
Phaseolus lunatus
Season too short
30 May – 6 Jun
3-4 wk
27 Jun
7 wk after
Onion
Allium cepa (Cepa-gruppen)
15 Feb – 15 Mar
20 Mar
8-12 wk
10 May
15 May
0 wk
31 May
3 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
14 May
4 Jun
1 wk after
14 May
25 May
1 wk after
Maize
Zea mays
Fleece
27 Apr – 4 May
9 May
3-4 wk
25 May
30 May
2 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
20 – 27 Apr
30 Jun
3-4 wk
18 May
21 Jul
1 wk after
31 May
11 Jul
3 wk after
Carrot
Daucus carota subsp. sativus var. sativus
10 May
4 Jul
0 wk
10 May
24 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
22 Mar – 5 Apr
9 Jun
5-7 wk
10 May
14 Jul
0 wk
10 May
4 Jul
0 wk
Potato
Solanum tuberosum
14 – 28 Apr
17 May
4-6 wk
26 May
14 Jun
2 wk after
26 May
4 Jun
2 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
22 Mar – 5 Apr
19 Jun
5-7 wk
10 May
24 Jul
0 wk
14 May
14 Jul
1 wk after
Pumpkin
Cucurbita pepo
25 May – 1 Jun
3-4 wk
22 Jun
6 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
20 – 27 Apr
25 May
3-4 wk
18 May
15 Jun
1 wk after
31 May
5 Jun
3 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
29 Mar – 12 Apr
21 Jun
4-6 wk
10 May
19 Jul
0 wk
Lettuce
Lactuca sativa
12 – 19 Apr
8 Jul
3-4 wk
10 May
29 Jul
0 wk
14 May
19 Jul
1 wk after
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
29 Mar – 12 Apr
21 Jun
4-6 wk
10 May
19 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
12 – 26 Apr
23 May
2-4 wk
10 May
6 Jun
0 wk
10 May
27 May
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
14 May
4 Jun
1 wk after
14 May
25 May
1 wk after
Spinach
Spinacia oleracea
12 – 19 Apr
23 Jul
3-4 wk
10 May
13 Aug
0 wk
6 May
3 Aug
1 wk before
Sweet potato
Ipomoea batatas
11 – 25 Jun
4-6 wk
23 Jul
11 wk after
Garden tomato
Solanum lycopersicum
Fleece
30 Mar – 13 Apr
18 Apr
6-8 wk
25 May
30 May
2 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
9 – 23 May
26 May
2-4 wk
6 Jun
9 Jun
4 wk after
28 Jun
7 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
29 Mar – 12 Apr
21 Jun
4-6 wk
10 May
19 Jul
0 wk
Garden pea
Pisum sativum
12 – 19 Apr
23 Jun
3-4 wk
10 May
14 Jul
0 wk
14 May
4 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
25 Apr – 9 May
25 May
4-6 wk
6 Jun
22 Jun
4 wk after
Lemon balm
Melissa officinalis
1 – 15 Mar
19 May
8-10 wk
10 May
14 Jul
0 wk
14 Jun
4 Jul
5 wk after
Dill
Anethum graveolens
14 May
21 Jul
1 wk after
Wild chives
Allium schoenoprasum
15 – 29 Mar
2 Jun
6-8 wk
10 May
14 Jul
0 wk
14 May
4 Jul
1 wk after
Spearmint
Mentha spicata
15 Feb – 15 Mar
19 May
8-12 wk
10 May
14 Jul
0 wk
14 Jun
4 Jul
5 wk after
Coriander
Coriandrum sativum
10 May
10 Aug
0 wk
31 May
31 Jul
3 wk after
Garden sage
Salvia officinalis
9 – 23 Mar
4 May
8-10 wk
18 May
29 Jun
1 wk after
Common thyme
Thymus vulgaris
1 – 15 Mar
9 May
8-10 wk
10 May
4 Jul
0 wk
Oregano
Origanum vulgare
15 – 29 Mar
23 May
6-8 wk
10 May
4 Jul
0 wk
14 Jun
24 Jun
5 wk after
Parsley
Petroselinum crispum
15 – 29 Mar
23 May
6-8 wk
10 May
4 Jul
0 wk
14 May
24 Jun
1 wk after
Rosemary
Salvia rosmarinus
9 Feb – 9 Mar
25 Mar
10-14 wk
18 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
9 – 16 May
1 Jun
3-4 wk
6 Jun
22 Jun
4 wk after
Cornflower
Centaurea cyanus
10 May
14 Jul
0 wk
14 May
4 Jul
1 wk after
Statice
Limonium sinuatum
28 Mar – 11 Apr
21 Apr
8-10 wk
6 Jun
16 Jun
4 wk after
Sweet William
Dianthus barbatus
15 – 29 Mar
6-8 wk
10 May
0 wk
26 May
2 wk after
Snow-on-the-mountain
Euphorbia marginata
11 – 25 Apr
5 May
6-8 wk
6 Jun
16 Jun
4 wk after
23 Jul
11 wk after
Pinnate dahlia
Dahlia × pinnata
3 – 17 Apr
8 May
6-8 wk
29 May
19 Jun
3 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
19 Apr – 17 May
22 May
4-8 wk
14 Jun
19 Jun
5 wk after
14 Jun
5 wk after
Foxglove
Digitalis purpurea
1 – 15 Mar
8-10 wk
10 May
0 wk
31 May
3 wk after
Busy lizzie
Impatiens walleriana
30 Mar – 27 Apr
12 Jun
8-12 wk
22 Jun
7 Aug
6 wk after
Creeping zinnia
Sanvitalia procumbens
11 – 25 Apr
15 May
6-8 wk
6 Jun
26 Jun
4 wk after
Hyacinth bean
Dolichos lablab
Greenhouse
25 Apr – 9 May
25 Apr
4-6 wk
6 Jun
4 wk after
Chinese lantern
Physalis alkekengi
9 – 23 Mar
16 Apr
8-10 wk
18 May
11 Jun
1 wk after
Love in a mist
Nigella damascena
10 May
29 Jun
0 wk
14 May
19 Jun
1 wk after
Strawflower
Xerochrysum bracteatum
11 – 25 Apr
25 Apr
6-8 wk
6 Jun
6 Jun
4 wk after
23 Jul
11 wk after
Purple-top vervain
Verbena bonariensis
23 Feb – 23 Mar
16 Apr
8-12 wk
18 May
11 Jun
1 wk after
Cardoon
Cynara cardunculus
Fleece
2 – 30 Mar
20 Mar
8-12 wk
25 May
2 wk after
Regal-foxtail
Ptilotus nobilis
Fleece
14 Mar – 11 Apr
17 Apr
8-12 wk
6 Jun
12 Jun
4 wk after
Globe amaranth
Gomphrena globosa
Fleece
11 – 25 Apr
1 May
6-8 wk
6 Jun
12 Jun
4 wk after
Corn poppy
Papaver rhoeas
10 May
14 Jul
0 wk
14 May
4 Jul
1 wk after
Snapdragon
Antirrhinum majus
15 Feb – 15 Mar
9 May
8-12 wk
10 May
4 Jul
0 wk
26 May
24 Jun
2 wk after
Flossflower
Ageratum houstonianum
13 – 27 Apr
1 May
8-10 wk
22 Jun
26 Jun
6 wk after
Sweet pea
Lathyrus odoratus
15 Mar – 5 Apr
30 May
5-8 wk
10 May
4 Jul
0 wk
Stock
Matthiola incana
15 – 29 Mar
2 Jun
6-8 wk
10 May
14 Jul
0 wk
31 May
4 Jul
3 wk after
Wormwood
Artemisia absinthium
15 – 29 Mar
3 May
6-8 wk
10 May
14 Jun
0 wk
31 May
4 Jun
3 wk after
Mexican sunflower
Tithonia rotundifolia
Fleece
25 Apr – 9 May
10 May
4-6 wk
6 Jun
7 Jun
4 wk after
Garden pansy
Viola × wittrockiana
1 – 15 Mar
19 May
8-10 wk
10 May
14 Jul
0 wk
26 May
4 Jul
2 wk after
Petunia
Petunia
14 Mar – 11 Apr
21 Apr
8-12 wk
6 Jun
16 Jun
4 wk after
Sweet Scabious
Scabiosa atropurpurea
23 Mar – 6 Apr
30 Apr
6-8 wk
18 May
11 Jun
1 wk after
28 Jun
7 wk after
Common zinnia
Zinnia elegans
25 Apr – 9 May
25 May
4-6 wk
6 Jun
22 Jun
4 wk after
Common morning glory
Ipomoea purpurea
Fleece
2 – 16 May
1 Jun
3-5 wk
6 Jun
22 Jun
4 wk after
Garden cosmos
Cosmos bipinnatus
25 Apr – 9 May
22 May
4-6 wk
6 Jun
19 Jun
4 wk after
28 Jun
7 wk after
Scarlet milkweed
Asclepias curassavica
Fleece
30 Mar – 27 Apr
17 May
8-12 wk
22 Jun
12 Jul
6 wk after
Bee balm
Monarda didyma
15 Feb – 15 Mar
19 Apr
8-12 wk
10 May
14 Jun
0 wk
14 Jun
5 wk after
Yarrow
Achillea millefolium
15 – 29 Mar
3 Apr
6-8 wk
10 May
15 May
0 wk
31 May
3 wk after
Safflower
Carthamus tinctorius
10 May
14 Jun
0 wk
14 May
4 Jun
1 wk after
Iceland poppy
Papaver nudicaule
Season too short
15 – 29 Mar
23 May
6-8 wk
10 May
4 Jul
0 wk
22 Apr
24 Jun
3 wk before
Bishop's flower
Ammi majus
29 Mar – 12 Apr
6 Jun
4-6 wk
10 May
4 Jul
0 wk
31 May
24 Jun
3 wk after
Drumsticks
Pycnosorus globosus
Fleece
14 – 28 Mar
21 Mar
10-12 wk
6 Jun
4 wk after
Sunflower
Helianthus annuus
9 – 16 May
2 Jun
3-4 wk
6 Jun
23 Jun
4 wk after
14 Jun
5 wk after
China aster
Callistephus chinensis
11 – 25 Apr
22 May
6-8 wk
6 Jun
3 Jul
4 wk after
28 Jun
7 wk after
Annual phlox
Phlox drummondii
30 Mar – 13 Apr
15 May
6-8 wk
25 May
26 Jun
2 wk after
28 Jun
7 wk after
Hollyhock
Alcea rosea
15 – 29 Mar
6-8 wk
10 May
0 wk
31 May
3 wk after
Alpine delphinium
Delphinium elatum
15 Feb – 15 Mar
19 Apr
8-12 wk
10 May
14 Jun
0 wk
14 Jun
5 wk after
African marigold
Tagetes erecta
11 – 25 Apr
15 May
6-8 wk
6 Jun
26 Jun
4 wk after
Black-eyed Susan
Rudbeckia hirta
23 Mar – 6 Apr
12 May
6-8 wk
18 May
23 Jun
1 wk after
28 Jun
7 wk after
Wood sage
Salvia nemorosa
1 – 15 Mar
9 Apr
8-10 wk
10 May
4 Jun
0 wk
14 Jun
5 wk after
Black-eyed susan vine
Thunbergia alata
Fleece
28 Mar – 25 Apr
11 May
6-10 wk
6 Jun
22 Jun
4 wk after
California goldenpoppy
Eschscholzia californica
10 May
14 Jul
0 wk
14 May
4 Jul
1 wk after
Painted tongue
Salpiglossis sinuata
28 Mar – 11 Apr
22 Apr
8-10 wk
6 Jun
17 Jun
4 wk after
Water forget-me-not
Myosotis scorpioides
15 – 29 Mar
3 May
6-8 wk
10 May
14 Jun
0 wk
31 May
4 Jun
3 wk after