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No frost in sight Last frost normally in 2 days (11 May), but frost-free in the forecast.
Method
Rel. frost
Last spring frost (0°C) 11 May Frost 9 of 10 years · 20 years of data
Frost-free season 112 days 11 May – 31 Aug
Probability that frost is over

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