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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 137 days 10 May – 24 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
12 Jun
5-7 wk
10 May
17 Jul
0 wk
11 May
7 Jul
0 wk
Broccoli
Brassica oleracea (Italica-gruppen)
29 Mar – 12 Apr
24 Jun
4-6 wk
10 May
22 Jul
0 wk
11 May
12 Jul
0 wk
Chili pepper
Capsicum annuum
Greenhouse
26 Feb – 26 Mar
31 Mar
8-12 wk
21 May
26 May
2 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
22 Mar – 5 Apr
7 Jun
5-7 wk
10 May
12 Jul
0 wk
10 May
2 Jul
0 wk
Garden cucumber
Cucumis sativus
Fleece
2 – 9 May
25 May
3-4 wk
30 May
15 Jun
3 wk after
Florence Fennel
Foeniculum vulgare
9 – 16 May
26 May
4-5 wk
13 Jun
23 Jun
5 wk after
22 Jun
6 wk after
Butter bean
Phaseolus lunatus
Season too short
23 – 30 May
3-4 wk
20 Jun
6 wk after
Onion
Allium cepa (Cepa-gruppen)
15 Feb – 15 Mar
21 Mar
8-12 wk
10 May
16 May
0 wk
23 May
2 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
11 May
5 Jun
0 wk
11 May
26 May
0 wk
Maize
Zea mays
2 – 9 May
4 May
3-4 wk
30 May
3 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
18 – 25 Apr
1 Jul
3-4 wk
16 May
22 Jul
1 wk after
23 May
12 Jul
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
10 May
2 Jul
0 wk
10 May
22 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
22 Mar – 5 Apr
7 Jun
5-7 wk
10 May
12 Jul
0 wk
10 May
2 Jul
0 wk
Potato
Solanum tuberosum
8 – 22 Apr
21 May
4-6 wk
20 May
18 Jun
1 wk after
20 May
8 Jun
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
22 Mar – 5 Apr
17 Jun
5-7 wk
10 May
22 Jul
0 wk
11 May
12 Jul
0 wk
Pumpkin
Cucurbita pepo
16 – 23 May
30 May
3-4 wk
13 Jun
20 Jun
5 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
18 – 25 Apr
25 May
3-4 wk
16 May
15 Jun
1 wk after
23 May
5 Jun
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
29 Mar – 12 Apr
19 Jun
4-6 wk
10 May
17 Jul
0 wk
Lettuce
Lactuca sativa
12 – 19 Apr
6 Jul
3-4 wk
10 May
27 Jul
0 wk
11 May
17 Jul
0 wk
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
29 Mar – 12 Apr
19 Jun
4-6 wk
10 May
17 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
12 – 26 Apr
26 May
2-4 wk
10 May
9 Jun
0 wk
10 May
30 May
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
11 May
5 Jun
0 wk
11 May
26 May
0 wk
Spinach
Spinacia oleracea
12 – 19 Apr
21 Jul
3-4 wk
10 May
11 Aug
0 wk
7 May
1 Aug
0 wk
Sweet potato
Ipomoea batatas
4 – 18 Jun
4-6 wk
16 Jul
10 wk after
Garden tomato
Solanum lycopersicum
4 – 18 Apr
13 Apr
6-8 wk
30 May
3 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
2 – 16 May
1 Jun
2-4 wk
30 May
15 Jun
3 wk after
22 Jun
6 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
29 Mar – 12 Apr
19 Jun
4-6 wk
10 May
17 Jul
0 wk
Garden pea
Pisum sativum
12 – 19 Apr
21 Jun
3-4 wk
10 May
12 Jul
0 wk
11 May
2 Jul
0 wk

Herbs

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