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No frost in sight Last frost normally in 4 days (14 May), but frost-free in the forecast.
Method
Rel. frost
Last spring frost (0°C) 14 May Frost 9 of 10 years · 20 years of data
Frost-free season 112 days 14 May – 3 Sep
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)
26 Mar – 9 Apr
14 Jun
5-7 wk
14 May
19 Jul
0 wk
18 May
9 Jul
1 wk after
Broccoli
Brassica oleracea (Italica-gruppen)
2 – 16 Apr
26 Jun
4-6 wk
14 May
24 Jul
0 wk
18 May
14 Jul
1 wk after
Chili pepper
Capsicum annuum
Season too short
6 Mar – 3 Apr
8-12 wk
29 May
2 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
26 Mar – 9 Apr
9 Jun
5-7 wk
14 May
14 Jul
0 wk
14 May
4 Jul
0 wk
Garden cucumber
Cucumis sativus
Season too short
1 – 8 May
3-4 wk
29 May
2 wk after
Florence Fennel
Foeniculum vulgare
Fleece
6 – 13 May
23 May
4-5 wk
10 Jun
20 Jun
4 wk after
18 Jun
5 wk after
Butter bean
Phaseolus lunatus
Season too short
3 – 10 Jun
3-4 wk
1 Jul
7 wk after
Onion
Allium cepa (Cepa-gruppen)
19 Feb – 19 Mar
20 Mar
8-12 wk
14 May
15 May
0 wk
4 Jun
3 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
18 May
4 Jun
1 wk after
18 May
25 May
1 wk after
Maize
Zea mays
Season too short
17 – 24 Apr
3-4 wk
15 May
0 wk
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
24 Apr – 1 May
19 Jun
3-4 wk
22 May
10 Jul
1 wk after
4 Jun
30 Jun
3 wk after
Carrot
Daucus carota subsp. sativus var. sativus
14 May
30 Jun
0 wk
14 May
20 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
26 Mar – 9 Apr
9 Jun
5-7 wk
14 May
14 Jul
0 wk
14 May
4 Jul
0 wk
Potato
Solanum tuberosum
18 Apr – 2 May
16 May
4-6 wk
30 May
13 Jun
2 wk after
30 May
3 Jun
2 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
26 Mar – 9 Apr
15 Jun
5-7 wk
14 May
20 Jul
0 wk
18 May
10 Jul
1 wk after
Pumpkin
Cucurbita pepo
Season too short
1 – 8 May
3-4 wk
29 May
2 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
24 Apr – 1 May
24 May
3-4 wk
22 May
14 Jun
1 wk after
4 Jun
4 Jun
3 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
2 – 16 Apr
21 Jun
4-6 wk
14 May
19 Jul
0 wk
Lettuce
Lactuca sativa
16 – 23 Apr
4 Jul
3-4 wk
14 May
25 Jul
0 wk
18 May
15 Jul
1 wk after
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
2 – 16 Apr
21 Jun
4-6 wk
14 May
19 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
16 – 30 Apr
24 May
2-4 wk
14 May
7 Jun
0 wk
14 May
28 May
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
18 May
4 Jun
1 wk after
18 May
25 May
1 wk after
Spinach
Spinacia oleracea
16 – 23 Apr
23 Jul
3-4 wk
14 May
13 Aug
0 wk
10 May
3 Aug
1 wk before
Sweet potato
Ipomoea batatas
15 – 29 Jun
4-6 wk
27 Jul
11 wk after
Garden tomato
Solanum lycopersicum
Season too short
20 Mar – 3 Apr
6-8 wk
15 May
0 wk
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Season too short
17 Apr – 1 May
2-4 wk
15 May
0 wk
4 Jun
3 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
2 – 16 Apr
21 Jun
4-6 wk
14 May
19 Jul
0 wk
Garden pea
Pisum sativum
16 – 23 Apr
19 Jun
3-4 wk
14 May
10 Jul
0 wk
18 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
17 Apr – 1 May
4-6 wk
29 May
2 wk after
Lemon balm
Melissa officinalis
5 – 19 Mar
15 May
8-10 wk
14 May
10 Jul
0 wk
18 Jun
30 Jun
5 wk after
Dill
Anethum graveolens
18 May
10 Jul
1 wk after
Wild chives
Allium schoenoprasum
19 Mar – 2 Apr
2 Jun
6-8 wk
14 May
14 Jul
0 wk
18 May
4 Jul
1 wk after
Spearmint
Mentha spicata
19 Feb – 19 Mar
19 May
8-12 wk
14 May
14 Jul
0 wk
18 Jun
4 Jul
5 wk after
Coriander
Coriandrum sativum
14 May
30 Jul
0 wk
4 Jun
20 Jul
3 wk after
Garden sage
Salvia officinalis
13 – 27 Mar
4 May
8-10 wk
22 May
29 Jun
1 wk after
Common thyme
Thymus vulgaris
5 – 19 Mar
9 May
8-10 wk
14 May
4 Jul
0 wk
Oregano
Origanum vulgare
19 Mar – 2 Apr
23 May
6-8 wk
14 May
4 Jul
0 wk
18 Jun
24 Jun
5 wk after
Parsley
Petroselinum crispum
19 Mar – 2 Apr
23 May
6-8 wk
14 May
4 Jul
0 wk
18 May
24 Jun
1 wk after
Rosemary
Salvia rosmarinus
13 Feb – 13 Mar
19 Mar
10-14 wk
22 May
28 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
1 – 8 May
3-4 wk
29 May
2 wk after
Cornflower
Centaurea cyanus
14 May
14 Jul
0 wk
18 May
4 Jul
1 wk after
Statice
Limonium sinuatum
Greenhouse
6 – 20 Mar
28 Mar
8-10 wk
15 May
23 May
0 wk
Sweet William
Dianthus barbatus
19 Mar – 2 Apr
6-8 wk
14 May
0 wk
30 May
2 wk after
Snow-on-the-mountain
Euphorbia marginata
Greenhouse
20 Mar – 3 Apr
11 Apr
6-8 wk
15 May
23 May
0 wk
24 Jun
6 wk after
Pinnate dahlia
Dahlia × pinnata
Fleece
27 Mar – 10 Apr
4 Apr
6-8 wk
22 May
1 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
Fleece
9 Apr – 7 May
18 Apr
4-8 wk
4 Jun
3 wk after
4 Jun
3 wk after
Foxglove
Digitalis purpurea
5 – 19 Mar
8-10 wk
14 May
0 wk
4 Jun
3 wk after
Busy lizzie
Impatiens walleriana
Greenhouse
6 Mar – 3 Apr
16 May
8-12 wk
29 May
11 Jul
2 wk after
Creeping zinnia
Sanvitalia procumbens
Fleece
3 – 17 Apr
6-8 wk
29 May
2 wk after
Hyacinth bean
Dolichos lablab
Season too short
29 Apr – 13 May
4-6 wk
10 Jun
4 wk after
Chinese lantern
Physalis alkekengi
13 – 27 Mar
5 Apr
8-10 wk
22 May
31 May
1 wk after
Love in a mist
Nigella damascena
14 May
25 Jun
0 wk
18 May
15 Jun
1 wk after
Strawflower
Xerochrysum bracteatum
Greenhouse
20 Mar – 3 Apr
1 Apr
6-8 wk
15 May
0 wk
24 Jun
6 wk after
Purple-top vervain
Verbena bonariensis
27 Feb – 27 Mar
5 Apr
8-12 wk
22 May
31 May
1 wk after
Cardoon
Cynara cardunculus
Fleece
6 Mar – 3 Apr
16 Mar
8-12 wk
29 May
2 wk after
Regal-foxtail
Ptilotus nobilis
Season too short
6 Mar – 3 Apr
8-12 wk
29 May
2 wk after
Globe amaranth
Gomphrena globosa
Season too short
3 – 17 Apr
6-8 wk
29 May
2 wk after
Corn poppy
Papaver rhoeas
14 May
10 Jul
0 wk
18 May
30 Jun
1 wk after
Snapdragon
Antirrhinum majus
19 Feb – 19 Mar
5 May
8-12 wk
14 May
30 Jun
0 wk
30 May
20 Jun
2 wk after
Flossflower
Ageratum houstonianum
Greenhouse
20 Mar – 3 Apr
7 Apr
8-10 wk
29 May
2 Jun
2 wk after
Sweet pea
Lathyrus odoratus
19 Mar – 9 Apr
30 May
5-8 wk
14 May
4 Jul
0 wk
Stock
Matthiola incana
19 Mar – 2 Apr
29 May
6-8 wk
14 May
10 Jul
0 wk
4 Jun
30 Jun
3 wk after
Wormwood
Artemisia absinthium
19 Mar – 2 Apr
3 May
6-8 wk
14 May
14 Jun
0 wk
4 Jun
4 Jun
3 wk after
Mexican sunflower
Tithonia rotundifolia
Season too short
17 Apr – 1 May
4-6 wk
29 May
2 wk after
Garden pansy
Viola × wittrockiana
5 – 19 Mar
19 May
8-10 wk
14 May
14 Jul
0 wk
30 May
4 Jul
2 wk after
Petunia
Petunia
Greenhouse
20 Feb – 20 Mar
28 Mar
8-12 wk
15 May
23 May
0 wk
Sweet Scabious
Scabiosa atropurpurea
27 Mar – 10 Apr
19 Apr
6-8 wk
22 May
31 May
1 wk after
2 Jul
7 wk after
Common zinnia
Zinnia elegans
Greenhouse
3 – 17 Apr
28 Apr
4-6 wk
15 May
26 May
0 wk
Common morning glory
Ipomoea purpurea
Season too short
24 Apr – 8 May
3-5 wk
29 May
2 wk after
Garden cosmos
Cosmos bipinnatus
Fleece
17 Apr – 1 May
18 Apr
4-6 wk
29 May
2 wk after
18 Jun
5 wk after
Scarlet milkweed
Asclepias curassavica
Season too short
18 Mar – 15 Apr
8-12 wk
10 Jun
4 wk after
Bee balm
Monarda didyma
19 Feb – 19 Mar
15 Apr
8-12 wk
14 May
10 Jun
0 wk
18 Jun
5 wk after
Yarrow
Achillea millefolium
19 Mar – 2 Apr
3 Apr
6-8 wk
14 May
15 May
0 wk
4 Jun
3 wk after
Safflower
Carthamus tinctorius
14 May
14 Jun
0 wk
18 May
4 Jun
1 wk after
Iceland poppy
Papaver nudicaule
Season too short
19 Mar – 2 Apr
23 May
6-8 wk
14 May
4 Jul
0 wk
26 Apr
24 Jun
3 wk before
Bishop's flower
Ammi majus
2 – 16 Apr
2 Jun
4-6 wk
14 May
30 Jun
0 wk
4 Jun
20 Jun
3 wk after
Drumsticks
Pycnosorus globosus
Season too short
6 – 20 Mar
10-12 wk
29 May
2 wk after
Sunflower
Helianthus annuus
13 – 20 May
27 May
3-4 wk
10 Jun
17 Jun
4 wk after
18 Jun
5 wk after
China aster
Callistephus chinensis
15 – 29 Apr
16 May
6-8 wk
10 Jun
27 Jun
4 wk after
2 Jul
7 wk after
Annual phlox
Phlox drummondii
Fleece
20 Mar – 3 Apr
1 Apr
6-8 wk
15 May
0 wk
18 Jun
5 wk after
Hollyhock
Alcea rosea
19 Mar – 2 Apr
6-8 wk
14 May
0 wk
4 Jun
3 wk after
Alpine delphinium
Delphinium elatum
19 Feb – 19 Mar
15 Apr
8-12 wk
14 May
10 Jun
0 wk
18 Jun
5 wk after
African marigold
Tagetes erecta
Fleece
3 – 17 Apr
6-8 wk
29 May
2 wk after
Black-eyed Susan
Rudbeckia hirta
27 Mar – 10 Apr
6 May
6-8 wk
22 May
17 Jun
1 wk after
2 Jul
7 wk after
Wood sage
Salvia nemorosa
5 – 19 Mar
5 Apr
8-10 wk
14 May
31 May
0 wk
18 Jun
5 wk after
Black-eyed susan vine
Thunbergia alata
Season too short
20 Mar – 17 Apr
6-10 wk
29 May
2 wk after
California goldenpoppy
Eschscholzia californica
14 May
7 Jul
0 wk
18 May
27 Jun
1 wk after
Painted tongue
Salpiglossis sinuata
Fleece
20 Mar – 3 Apr
25 Apr
8-10 wk
29 May
20 Jun
2 wk after
Water forget-me-not
Myosotis scorpioides
19 Mar – 2 Apr
3 May
6-8 wk
14 May
14 Jun
0 wk
4 Jun
4 Jun
3 wk after