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-1.0°
Last 24h: Slight frost recorded tonight at 05:00. Inspect for frost damage
Method
Rel. frost
Last spring frost (0°C) 2 May Frost 9 of 10 years · 20 years of data
Frost-free season 126 days 2 May – 5 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)
14 – 28 Mar
19 Jun
5-7 wk
2 May
24 Jul
0 wk
26 Apr
14 Jul
1 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
21 Mar – 4 Apr
1 Jul
4-6 wk
2 May
29 Jul
0 wk
26 Apr
19 Jul
1 wk before
Chili pepper
Capsicum annuum
Season too short
25 Feb – 25 Mar
8-12 wk
20 May
3 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
14 – 28 Mar
14 Jun
5-7 wk
2 May
19 Jul
0 wk
19 Apr
9 Jul
2 wk before
Garden cucumber
Cucumis sativus
Season too short
22 – 29 Apr
3-4 wk
20 May
3 wk after
Florence Fennel
Foeniculum vulgare
8 – 15 May
17 May
4-5 wk
12 Jun
14 Jun
6 wk after
12 Jun
6 wk after
Butter bean
Phaseolus lunatus
Season too short
25 May – 1 Jun
3-4 wk
22 Jun
7 wk after
Onion
Allium cepa (Cepa-gruppen)
7 Feb – 7 Mar
1 Apr
8-12 wk
2 May
27 May
0 wk
15 May
17 May
2 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
26 Apr
16 Jun
1 wk before
26 Apr
6 Jun
1 wk before
Maize
Zea mays
Season too short
4 – 11 Apr
3-4 wk
2 May
0 wk
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
4 – 11 Apr
1 Jul
3-4 wk
2 May
22 Jul
0 wk
15 May
12 Jul
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
2 May
9 Jul
0 wk
19 Apr
29 Jun
2 wk before
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
14 – 28 Mar
14 Jun
5-7 wk
2 May
19 Jul
0 wk
19 Apr
9 Jul
2 wk before
Potato
Solanum tuberosum
26 Mar – 9 Apr
29 May
4-6 wk
7 May
26 Jun
1 wk after
7 May
16 Jun
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
14 – 28 Mar
24 Jun
5-7 wk
2 May
29 Jul
0 wk
26 Apr
19 Jul
1 wk before
Pumpkin
Cucurbita pepo
Greenhouse
22 – 29 Apr
10 May
3-4 wk
20 May
31 May
3 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
4 – 11 Apr
9 Jun
3-4 wk
2 May
30 Jun
0 wk
15 May
20 Jun
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
21 Mar – 4 Apr
26 Jun
4-6 wk
2 May
24 Jul
0 wk
Lettuce
Lactuca sativa
4 – 11 Apr
13 Jul
3-4 wk
2 May
3 Aug
0 wk
26 Apr
24 Jul
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
21 Mar – 4 Apr
26 Jun
4-6 wk
2 May
24 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
22 Mar – 5 Apr
3 Jun
2-4 wk
19 Apr
17 Jun
2 wk before
19 Apr
7 Jun
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
26 Apr
16 Jun
1 wk before
26 Apr
6 Jun
1 wk before
Spinach
Spinacia oleracea
4 – 11 Apr
28 Jul
3-4 wk
2 May
18 Aug
0 wk
12 Apr
8 Aug
3 wk before
Sweet potato
Ipomoea batatas
3 – 17 Jun
4-6 wk
15 Jul
11 wk after
Garden tomato
Solanum lycopersicum
Season too short
7 – 21 Mar
6-8 wk
2 May
0 wk
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Greenhouse
4 – 18 Apr
12 May
2-4 wk
2 May
26 May
0 wk
15 May
16 May
2 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
21 Mar – 4 Apr
26 Jun
4-6 wk
2 May
24 Jul
0 wk
Garden pea
Pisum sativum
4 – 11 Apr
28 Jun
3-4 wk
2 May
19 Jul
0 wk
26 Apr
9 Jul
1 wk before

Herbs

Plant Sow indoors Transplant Direct sow
Earliest Latest Growing time Earliest Latest Rel. frost Earliest Latest Rel. frost
Basil
Ocimum basilicum
Greenhouse
8 – 22 Apr
18 Apr
4-6 wk
20 May
3 wk after
Lemon balm
Melissa officinalis
21 Feb – 7 Mar
24 May
8-10 wk
2 May
19 Jul
0 wk
28 May
9 Jul
4 wk after
Dill
Anethum graveolens
26 Apr
22 Jul
1 wk before
Wild chives
Allium schoenoprasum
7 – 21 Mar
7 Jun
6-8 wk
2 May
19 Jul
0 wk
26 Apr
9 Jul
1 wk before
Spearmint
Mentha spicata
7 Feb – 7 Mar
24 May
8-12 wk
2 May
19 Jul
0 wk
28 May
9 Jul
4 wk after
Coriander
Coriandrum sativum
2 May
11 Aug
0 wk
15 May
1 Aug
2 wk after
Garden sage
Salvia officinalis
21 Feb – 7 Mar
9 May
8-10 wk
2 May
4 Jul
0 wk
Common thyme
Thymus vulgaris
21 Feb – 7 Mar
14 May
8-10 wk
2 May
9 Jul
0 wk
Oregano
Origanum vulgare
7 – 21 Mar
28 May
6-8 wk
2 May
9 Jul
0 wk
28 May
29 Jun
4 wk after
Parsley
Petroselinum crispum
7 – 21 Mar
28 May
6-8 wk
2 May
9 Jul
0 wk
26 Apr
29 Jun
1 wk before
Rosemary
Salvia rosmarinus
24 Jan – 21 Feb
20 Mar
10-14 wk
2 May
29 May
0 wk

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