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Rel. frost
Last spring frost (0°C) 29 Apr Frost 9 of 10 years · 20 years of data
Frost-free season 136 days 29 Apr – 12 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)
11 – 25 Mar
13 Jun
5-7 wk
29 Apr
18 Jul
0 wk
30 Apr
8 Jul
0 wk
Broccoli
Brassica oleracea (Italica-gruppen)
18 Mar – 1 Apr
25 Jun
4-6 wk
29 Apr
23 Jul
0 wk
30 Apr
13 Jul
0 wk
Chili pepper
Capsicum annuum
Season too short
17 Feb – 17 Mar
8-12 wk
12 May
2 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
11 – 25 Mar
8 Jun
5-7 wk
29 Apr
13 Jul
0 wk
29 Apr
3 Jul
0 wk
Garden cucumber
Cucumis sativus
Greenhouse
14 – 21 Apr
25 Apr
3-4 wk
12 May
16 May
2 wk after
Florence Fennel
Foeniculum vulgare
30 Apr – 7 May
22 May
4-5 wk
4 Jun
19 Jun
5 wk after
11 Jun
6 wk after
Butter bean
Phaseolus lunatus
Season too short
17 – 24 May
3-4 wk
14 Jun
7 wk after
Onion
Allium cepa (Cepa-gruppen)
4 Feb – 4 Mar
20 Mar
8-12 wk
29 Apr
15 May
0 wk
12 May
2 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
30 Apr
4 Jun
0 wk
30 Apr
25 May
0 wk
Maize
Zea mays
Greenhouse
1 – 8 Apr
15 Apr
3-4 wk
29 Apr
6 May
0 wk
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
8 – 15 Apr
24 Jun
3-4 wk
6 May
15 Jul
1 wk after
12 May
5 Jul
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
29 Apr
3 Jul
0 wk
29 Apr
23 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
11 – 25 Mar
8 Jun
5-7 wk
29 Apr
13 Jul
0 wk
29 Apr
3 Jul
0 wk
Potato
Solanum tuberosum
28 Mar – 11 Apr
13 May
4-6 wk
9 May
10 Jun
1 wk after
9 May
31 May
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
11 – 25 Mar
18 Jun
5-7 wk
29 Apr
23 Jul
0 wk
30 Apr
13 Jul
0 wk
Pumpkin
Cucurbita pepo
Fleece
23 – 30 Apr
30 Apr
3-4 wk
21 May
21 May
3 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
8 – 15 Apr
18 May
3-4 wk
6 May
8 Jun
1 wk after
12 May
29 May
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
18 Mar – 1 Apr
20 Jun
4-6 wk
29 Apr
18 Jul
0 wk
Lettuce
Lactuca sativa
1 – 8 Apr
7 Jul
3-4 wk
29 Apr
28 Jul
0 wk
30 Apr
18 Jul
0 wk
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
18 Mar – 1 Apr
20 Jun
4-6 wk
29 Apr
18 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
1 – 15 Apr
25 May
2-4 wk
29 Apr
8 Jun
0 wk
29 Apr
29 May
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
30 Apr
4 Jun
0 wk
30 Apr
25 May
0 wk
Spinach
Spinacia oleracea
1 – 8 Apr
22 Jul
3-4 wk
29 Apr
12 Aug
0 wk
26 Apr
2 Aug
0 wk
Sweet potato
Ipomoea batatas
24 May – 7 Jun
4-6 wk
5 Jul
10 wk after
Garden tomato
Solanum lycopersicum
Greenhouse
4 – 18 Mar
25 Mar
6-8 wk
29 Apr
6 May
0 wk
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Fleece
14 – 28 Apr
2 May
2-4 wk
12 May
16 May
2 wk after
24 May
4 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
18 Mar – 1 Apr
20 Jun
4-6 wk
29 Apr
18 Jul
0 wk
Garden pea
Pisum sativum
1 – 8 Apr
22 Jun
3-4 wk
29 Apr
13 Jul
0 wk
30 Apr
3 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
Greenhouse
31 Mar – 14 Apr
20 Apr
4-6 wk
12 May
18 May
2 wk after
Lemon balm
Melissa officinalis
18 Feb – 4 Mar
18 May
8-10 wk
29 Apr
13 Jul
0 wk
24 May
3 Jul
4 wk after
Dill
Anethum graveolens
30 Apr
15 Jul
0 wk
Wild chives
Allium schoenoprasum
4 – 18 Mar
1 Jun
6-8 wk
29 Apr
13 Jul
0 wk
30 Apr
3 Jul
0 wk
Spearmint
Mentha spicata
4 Feb – 4 Mar
18 May
8-12 wk
29 Apr
13 Jul
0 wk
24 May
3 Jul
4 wk after
Coriander
Coriandrum sativum
29 Apr
4 Aug
0 wk
12 May
25 Jul
2 wk after
Garden sage
Salvia officinalis
25 Feb – 11 Mar
3 May
8-10 wk
6 May
28 Jun
1 wk after
Common thyme
Thymus vulgaris
18 Feb – 4 Mar
8 May
8-10 wk
29 Apr
3 Jul
0 wk
Oregano
Origanum vulgare
4 – 18 Mar
22 May
6-8 wk
29 Apr
3 Jul
0 wk
24 May
23 Jun
4 wk after
Parsley
Petroselinum crispum
4 – 18 Mar
22 May
6-8 wk
29 Apr
3 Jul
0 wk
30 Apr
23 Jun
0 wk
Rosemary
Salvia rosmarinus
28 Jan – 25 Feb
25 Mar
10-14 wk
6 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
Greenhouse
14 – 21 Apr
27 Apr
3-4 wk
12 May
18 May
2 wk after
Cornflower
Centaurea cyanus
29 Apr
13 Jul
0 wk
30 Apr
3 Jul
0 wk
Statice
Limonium sinuatum
Greenhouse
18 Feb – 4 Mar
7 Apr
8-10 wk
29 Apr
2 Jun
0 wk
Sweet William
Dianthus barbatus
4 – 18 Mar
6-8 wk
29 Apr
0 wk
9 May
1 wk after
Snow-on-the-mountain
Euphorbia marginata
Greenhouse
4 – 18 Mar
21 Apr
6-8 wk
29 Apr
2 Jun
0 wk
31 May
5 wk after
Pinnate dahlia
Dahlia × pinnata
Fleece
11 – 25 Mar
12 Apr
6-8 wk
6 May
24 May
1 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
Fleece
17 Mar – 14 Apr
26 Apr
4-8 wk
12 May
24 May
2 wk after
12 May
14 May
2 wk after
Foxglove
Digitalis purpurea
18 Feb – 4 Mar
8-10 wk
29 Apr
0 wk
12 May
2 wk after
Busy lizzie
Impatiens walleriana
12 Mar – 9 Apr
26 Apr
8-12 wk
4 Jun
21 Jun
5 wk after
Creeping zinnia
Sanvitalia procumbens
Fleece
17 – 31 Mar
6 Apr
6-8 wk
12 May
18 May
2 wk after
Hyacinth bean
Dolichos lablab
Season too short
9 – 23 Apr
4-6 wk
21 May
3 wk after
Chinese lantern
Physalis alkekengi
25 Feb – 11 Mar
10 Apr
8-10 wk
6 May
5 Jun
1 wk after
Love in a mist
Nigella damascena
29 Apr
28 Jun
0 wk
30 Apr
18 Jun
0 wk
Strawflower
Xerochrysum bracteatum
Greenhouse
4 – 18 Mar
11 Apr
6-8 wk
29 Apr
23 May
0 wk
31 May
5 wk after
Purple-top vervain
Verbena bonariensis
11 Feb – 11 Mar
10 Apr
8-12 wk
6 May
5 Jun
1 wk after
Cardoon
Cynara cardunculus
Fleece
17 Feb – 17 Mar
19 Mar
8-12 wk
12 May
14 May
2 wk after
Regal-foxtail
Ptilotus nobilis
Season too short
17 Feb – 17 Mar
13 Mar
8-12 wk
12 May
2 wk after
Globe amaranth
Gomphrena globosa
Season too short
17 – 31 Mar
27 Mar
6-8 wk
12 May
2 wk after
Corn poppy
Papaver rhoeas
29 Apr
13 Jul
0 wk
30 Apr
3 Jul
0 wk
Snapdragon
Antirrhinum majus
4 Feb – 4 Mar
8 May
8-12 wk
29 Apr
3 Jul
0 wk
9 May
23 Jun
1 wk after
Flossflower
Ageratum houstonianum
Greenhouse
3 – 17 Mar
17 Apr
8-10 wk
12 May
12 Jun
2 wk after
Sweet pea
Lathyrus odoratus
4 – 25 Mar
29 May
5-8 wk
29 Apr
3 Jul
0 wk
Stock
Matthiola incana
4 – 18 Mar
1 Jun
6-8 wk
29 Apr
13 Jul
0 wk
12 May
3 Jul
2 wk after
Wormwood
Artemisia absinthium
4 – 18 Mar
2 May
6-8 wk
29 Apr
13 Jun
0 wk
12 May
3 Jun
2 wk after
Mexican sunflower
Tithonia rotundifolia
Season too short
31 Mar – 14 Apr
5 Apr
4-6 wk
12 May
2 wk after
Garden pansy
Viola × wittrockiana
18 Feb – 4 Mar
18 May
8-10 wk
29 Apr
13 Jul
0 wk
9 May
3 Jul
1 wk after
Petunia
Petunia
Greenhouse
4 Feb – 4 Mar
7 Apr
8-12 wk
29 Apr
2 Jun
0 wk
Sweet Scabious
Scabiosa atropurpurea
11 – 25 Mar
24 Apr
6-8 wk
6 May
5 Jun
1 wk after
11 Jun
6 wk after
Common zinnia
Zinnia elegans
Fleece
31 Mar – 14 Apr
20 Apr
4-6 wk
12 May
18 May
2 wk after
Common morning glory
Ipomoea purpurea
Greenhouse
7 – 21 Apr
27 Apr
3-5 wk
12 May
18 May
2 wk after
Garden cosmos
Cosmos bipinnatus
Fleece
31 Mar – 14 Apr
26 Apr
4-6 wk
12 May
24 May
2 wk after
24 May
4 wk after
Scarlet milkweed
Asclepias curassavica
Greenhouse
26 Feb – 26 Mar
12 Apr
8-12 wk
21 May
7 Jun
3 wk after
Bee balm
Monarda didyma
4 Feb – 4 Mar
18 Apr
8-12 wk
29 Apr
13 Jun
0 wk
24 May
3 Jun
4 wk after
Yarrow
Achillea millefolium
4 – 18 Mar
2 Apr
6-8 wk
29 Apr
14 May
0 wk
12 May
2 wk after
Safflower
Carthamus tinctorius
29 Apr
13 Jun
0 wk
30 Apr
3 Jun
0 wk
Iceland poppy
Papaver nudicaule
Season too short
4 – 18 Mar
22 May
6-8 wk
29 Apr
3 Jul
0 wk
13 Apr
23 Jun
2 wk before
Bishop's flower
Ammi majus
18 Mar – 1 Apr
5 Jun
4-6 wk
29 Apr
3 Jul
0 wk
12 May
23 Jun
2 wk after
Drumsticks
Pycnosorus globosus
Season too short
17 Feb – 3 Mar
23 Feb
10-12 wk
12 May
2 wk after
Sunflower
Helianthus annuus
23 – 30 Apr
2 Jun
3-4 wk
21 May
23 Jun
3 wk after
24 May
13 Jun
4 wk after
China aster
Callistephus chinensis
26 Mar – 9 Apr
22 May
6-8 wk
21 May
3 Jul
3 wk after
11 Jun
23 Jun
6 wk after
Annual phlox
Phlox drummondii
Fleece
4 – 18 Mar
6 Apr
6-8 wk
29 Apr
18 May
0 wk
24 May
4 wk after
Hollyhock
Alcea rosea
4 – 18 Mar
6-8 wk
29 Apr
0 wk
12 May
2 wk after
Alpine delphinium
Delphinium elatum
4 Feb – 4 Mar
18 Apr
8-12 wk
29 Apr
13 Jun
0 wk
24 May
3 Jun
4 wk after
African marigold
Tagetes erecta
Fleece
17 – 31 Mar
6 Apr
6-8 wk
12 May
18 May
2 wk after
Black-eyed Susan
Rudbeckia hirta
11 – 25 Mar
12 May
6-8 wk
6 May
23 Jun
1 wk after
11 Jun
13 Jun
6 wk after
Wood sage
Salvia nemorosa
18 Feb – 4 Mar
8 Apr
8-10 wk
29 Apr
3 Jun
0 wk
24 May
24 May
4 wk after
Black-eyed susan vine
Thunbergia alata
Greenhouse
3 – 31 Mar
6 Apr
6-10 wk
12 May
18 May
2 wk after
California goldenpoppy
Eschscholzia californica
29 Apr
11 Jul
0 wk
30 Apr
1 Jul
0 wk
Painted tongue
Salpiglossis sinuata
12 – 26 Mar
24 Apr
8-10 wk
21 May
19 Jun
3 wk after
Water forget-me-not
Myosotis scorpioides
4 – 18 Mar
2 May
6-8 wk
29 Apr
13 Jun
0 wk
12 May
3 Jun
2 wk after