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No frost in sight Last frost normally in 7 days (17 May), but frost-free in the forecast.
Method
Rel. frost
Last spring frost (0°C) 17 May Normal year · 20 years of data
Frost-free season 128 days 17 May – 22 Sep
Probability that frost is over

50% = 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
15 Jun
5-7 wk
17 May
20 Jul
0 wk
21 May
10 Jul
1 wk after
Broccoli
Brassica oleracea (Italica-gruppen)
5 – 19 Apr
27 Jun
4-6 wk
17 May
25 Jul
0 wk
21 May
15 Jul
1 wk after
Chili pepper
Capsicum annuum
Greenhouse
9 Mar – 6 Apr
15 Apr
8-12 wk
1 Jun
10 Jun
2 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
29 Mar – 12 Apr
10 Jun
5-7 wk
17 May
15 Jul
0 wk
17 May
5 Jul
0 wk
Garden cucumber
Cucumis sativus
Fleece
16 – 23 May
9 Jun
3-4 wk
13 Jun
30 Jun
4 wk after
Florence Fennel
Foeniculum vulgare
25 May – 1 Jun
27 May
4-5 wk
29 Jun
6 wk after
5 Jul
7 wk after
Butter bean
Phaseolus lunatus
Season too short
6 – 13 Jun
3-4 wk
4 Jul
7 wk after
Onion
Allium cepa (Cepa-gruppen)
22 Feb – 22 Mar
29 Mar
8-12 wk
17 May
24 May
0 wk
7 Jun
3 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
21 May
13 Jun
1 wk after
21 May
3 Jun
1 wk after
Maize
Zea mays
Fleece
4 – 11 May
30 May
3-4 wk
1 Jun
20 Jun
2 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
27 Apr – 4 May
2 Jul
3-4 wk
25 May
23 Jul
1 wk after
7 Jun
13 Jul
3 wk after
Carrot
Daucus carota subsp. sativus var. sativus
17 May
5 Jul
0 wk
17 May
25 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
29 Mar – 12 Apr
10 Jun
5-7 wk
17 May
15 Jul
0 wk
17 May
5 Jul
0 wk
Potato
Solanum tuberosum
21 Apr – 5 May
27 May
4-6 wk
2 Jun
24 Jun
2 wk after
2 Jun
14 Jun
2 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
29 Mar – 12 Apr
20 Jun
5-7 wk
17 May
25 Jul
0 wk
21 May
15 Jul
1 wk after
Pumpkin
Cucurbita pepo
1 – 8 Jun
14 Jun
3-4 wk
29 Jun
5 Jul
6 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
27 Apr – 4 May
8 Jun
3-4 wk
25 May
29 Jun
1 wk after
7 Jun
19 Jun
3 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
5 – 19 Apr
22 Jun
4-6 wk
17 May
20 Jul
0 wk
Lettuce
Lactuca sativa
19 – 26 Apr
9 Jul
3-4 wk
17 May
30 Jul
0 wk
21 May
20 Jul
1 wk after
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
5 – 19 Apr
22 Jun
4-6 wk
17 May
20 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
19 Apr – 3 May
1 Jun
2-4 wk
17 May
15 Jun
0 wk
17 May
5 Jun
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
21 May
13 Jun
1 wk after
21 May
3 Jun
1 wk after
Spinach
Spinacia oleracea
19 – 26 Apr
24 Jul
3-4 wk
17 May
14 Aug
0 wk
13 May
4 Aug
1 wk before
Sweet potato
Ipomoea batatas
18 Jun – 2 Jul
4-6 wk
30 Jul
11 wk after
Garden tomato
Solanum lycopersicum
Fleece
6 – 20 Apr
9 May
6-8 wk
1 Jun
20 Jun
2 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
16 – 30 May
16 Jun
2-4 wk
13 Jun
30 Jun
4 wk after
5 Jul
7 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
5 – 19 Apr
22 Jun
4-6 wk
17 May
20 Jul
0 wk
Garden pea
Pisum sativum
19 – 26 Apr
24 Jun
3-4 wk
17 May
15 Jul
0 wk
21 May
5 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
18 May – 1 Jun
23 May
4-6 wk
29 Jun
6 wk after
Lemon balm
Melissa officinalis
8 – 22 Mar
20 May
8-10 wk
17 May
15 Jul
0 wk
21 Jun
5 Jul
5 wk after
Dill
Anethum graveolens
21 May
23 Jul
1 wk after
Wild chives
Allium schoenoprasum
22 Mar – 5 Apr
3 Jun
6-8 wk
17 May
15 Jul
0 wk
21 May
5 Jul
1 wk after
Spearmint
Mentha spicata
22 Feb – 22 Mar
20 May
8-12 wk
17 May
15 Jul
0 wk
21 Jun
5 Jul
5 wk after
Coriander
Coriandrum sativum
17 May
12 Aug
0 wk
7 Jun
2 Aug
3 wk after
Garden sage
Salvia officinalis
16 – 30 Mar
5 May
8-10 wk
25 May
30 Jun
1 wk after
Common thyme
Thymus vulgaris
8 – 22 Mar
10 May
8-10 wk
17 May
5 Jul
0 wk
Oregano
Origanum vulgare
22 Mar – 5 Apr
24 May
6-8 wk
17 May
5 Jul
0 wk
21 Jun
25 Jun
5 wk after
Parsley
Petroselinum crispum
22 Mar – 5 Apr
24 May
6-8 wk
17 May
5 Jul
0 wk
21 May
25 Jun
1 wk after
Rosemary
Salvia rosmarinus
16 Feb – 16 Mar
30 Mar
10-14 wk
25 May
8 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
1 – 8 Jun
3-4 wk
29 Jun
6 wk after
Cornflower
Centaurea cyanus
17 May
15 Jul
0 wk
21 May
5 Jul
1 wk after
Statice
Limonium sinuatum
4 – 18 Apr
30 Apr
8-10 wk
13 Jun
25 Jun
4 wk after
Sweet William
Dianthus barbatus
22 Mar – 5 Apr
6-8 wk
17 May
0 wk
2 Jun
2 wk after
Snow-on-the-mountain
Euphorbia marginata
18 Apr – 2 May
14 May
6-8 wk
13 Jun
25 Jun
4 wk after
30 Jul
11 wk after
Pinnate dahlia
Dahlia × pinnata
10 – 24 Apr
16 May
6-8 wk
5 Jun
27 Jun
3 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
26 Apr – 24 May
30 May
4-8 wk
21 Jun
27 Jun
5 wk after
21 Jun
5 wk after
Foxglove
Digitalis purpurea
8 – 22 Mar
8-10 wk
17 May
0 wk
7 Jun
3 wk after
Busy lizzie
Impatiens walleriana
6 Apr – 4 May
18 Jun
8-12 wk
29 Jun
13 Aug
6 wk after
Creeping zinnia
Sanvitalia procumbens
18 Apr – 2 May
24 May
6-8 wk
13 Jun
5 Jul
4 wk after
Hyacinth bean
Dolichos lablab
Season too short
2 – 16 May
4-6 wk
13 Jun
4 wk after
Chinese lantern
Physalis alkekengi
16 – 30 Mar
18 Apr
8-10 wk
25 May
13 Jun
1 wk after
Love in a mist
Nigella damascena
17 May
30 Jun
0 wk
21 May
20 Jun
1 wk after
Strawflower
Xerochrysum bracteatum
18 Apr – 2 May
4 May
6-8 wk
13 Jun
15 Jun
4 wk after
30 Jul
11 wk after
Purple-top vervain
Verbena bonariensis
2 – 30 Mar
18 Apr
8-12 wk
25 May
13 Jun
1 wk after
Cardoon
Cynara cardunculus
Fleece
9 Mar – 6 Apr
21 Mar
8-12 wk
1 Jun
2 wk after
Regal-foxtail
Ptilotus nobilis
Fleece
21 Mar – 18 Apr
23 Apr
8-12 wk
13 Jun
18 Jun
4 wk after
Globe amaranth
Gomphrena globosa
Fleece
18 Apr – 2 May
7 May
6-8 wk
13 Jun
18 Jun
4 wk after
Corn poppy
Papaver rhoeas
17 May
15 Jul
0 wk
21 May
5 Jul
1 wk after
Snapdragon
Antirrhinum majus
22 Feb – 22 Mar
10 May
8-12 wk
17 May
5 Jul
0 wk
2 Jun
25 Jun
2 wk after
Flossflower
Ageratum houstonianum
20 Apr – 4 May
10 May
8-10 wk
29 Jun
5 Jul
6 wk after
Sweet pea
Lathyrus odoratus
22 Mar – 12 Apr
31 May
5-8 wk
17 May
5 Jul
0 wk
Stock
Matthiola incana
22 Mar – 5 Apr
3 Jun
6-8 wk
17 May
15 Jul
0 wk
7 Jun
5 Jul
3 wk after
Wormwood
Artemisia absinthium
22 Mar – 5 Apr
4 May
6-8 wk
17 May
15 Jun
0 wk
7 Jun
3 wk after
Mexican sunflower
Tithonia rotundifolia
Fleece
2 – 16 May
16 May
4-6 wk
13 Jun
13 Jun
4 wk after
Garden pansy
Viola × wittrockiana
8 – 22 Mar
20 May
8-10 wk
17 May
15 Jul
0 wk
2 Jun
5 Jul
2 wk after
Petunia
Petunia
21 Mar – 18 Apr
30 Apr
8-12 wk
13 Jun
25 Jun
4 wk after
Sweet Scabious
Scabiosa atropurpurea
30 Mar – 13 Apr
2 May
6-8 wk
25 May
13 Jun
1 wk after
5 Jul
7 wk after
Common zinnia
Zinnia elegans
2 – 16 May
31 May
4-6 wk
13 Jun
28 Jun
4 wk after
Common morning glory
Ipomoea purpurea
25 May – 8 Jun
30 May
3-5 wk
29 Jun
6 wk after
Garden cosmos
Cosmos bipinnatus
2 – 16 May
30 May
4-6 wk
13 Jun
27 Jun
4 wk after
5 Jul
7 wk after
Scarlet milkweed
Asclepias curassavica
Fleece
6 Apr – 4 May
23 May
8-12 wk
29 Jun
18 Jul
6 wk after
Bee balm
Monarda didyma
22 Feb – 22 Mar
20 Apr
8-12 wk
17 May
15 Jun
0 wk
21 Jun
5 wk after
Yarrow
Achillea millefolium
22 Mar – 5 Apr
4 Apr
6-8 wk
17 May
0 wk
7 Jun
3 wk after
Safflower
Carthamus tinctorius
17 May
15 Jun
0 wk
21 May
5 Jun
1 wk after
Iceland poppy
Papaver nudicaule
Season too short
22 Mar – 5 Apr
24 May
6-8 wk
17 May
5 Jul
0 wk
29 Apr
25 Jun
3 wk before
Bishop's flower
Ammi majus
5 – 19 Apr
7 Jun
4-6 wk
17 May
5 Jul
0 wk
7 Jun
25 Jun
3 wk after
Drumsticks
Pycnosorus globosus
Fleece
21 Mar – 4 Apr
29 Mar
10-12 wk
13 Jun
4 wk after
Sunflower
Helianthus annuus
16 – 23 May
7 Jun
3-4 wk
13 Jun
28 Jun
4 wk after
21 Jun
5 wk after
China aster
Callistephus chinensis
18 Apr – 2 May
27 May
6-8 wk
13 Jun
8 Jul
4 wk after
5 Jul
7 wk after
Annual phlox
Phlox drummondii
6 – 20 Apr
24 May
6-8 wk
1 Jun
5 Jul
2 wk after
5 Jul
7 wk after
Hollyhock
Alcea rosea
22 Mar – 5 Apr
6-8 wk
17 May
0 wk
7 Jun
3 wk after
Alpine delphinium
Delphinium elatum
22 Feb – 22 Mar
20 Apr
8-12 wk
17 May
15 Jun
0 wk
21 Jun
5 wk after
African marigold
Tagetes erecta
18 Apr – 2 May
24 May
6-8 wk
13 Jun
5 Jul
4 wk after
Black-eyed Susan
Rudbeckia hirta
30 Mar – 13 Apr
17 May
6-8 wk
25 May
28 Jun
1 wk after
5 Jul
7 wk after
Wood sage
Salvia nemorosa
8 – 22 Mar
10 Apr
8-10 wk
17 May
5 Jun
0 wk
21 Jun
5 wk after
Black-eyed susan vine
Thunbergia alata
20 Apr – 18 May
9 May
6-10 wk
29 Jun
6 wk after
California goldenpoppy
Eschscholzia californica
17 May
15 Jul
0 wk
21 May
5 Jul
1 wk after
Painted tongue
Salpiglossis sinuata
4 – 18 Apr
29 Apr
8-10 wk
13 Jun
24 Jun
4 wk after
Water forget-me-not
Myosotis scorpioides
22 Mar – 5 Apr
4 May
6-8 wk
17 May
15 Jun
0 wk
7 Jun
3 wk after