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0.1°
Near frost tonight at 04:00. Bring in or cover sensitive plants
-1.6°
Last 24h: Slight frost recorded tonight at 05:00. Inspect for frost damage
Method
Rel. frost
Last spring frost (0°C) 7 May Frost 9 of 10 years · 20 years of data
Frost-free season 130 days 7 May – 14 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)
19 Mar – 2 Apr
17 Jun
5-7 wk
7 May
22 Jul
0 wk
30 Apr
12 Jul
1 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
26 Mar – 9 Apr
29 Jun
4-6 wk
7 May
27 Jul
0 wk
30 Apr
17 Jul
1 wk before
Chili pepper
Capsicum annuum
Season too short
23 Feb – 23 Mar
8-12 wk
18 May
2 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
19 Mar – 2 Apr
12 Jun
5-7 wk
7 May
17 Jul
0 wk
25 Apr
7 Jul
2 wk before
Garden cucumber
Cucumis sativus
Season too short
20 – 27 Apr
3-4 wk
18 May
2 wk after
Florence Fennel
Foeniculum vulgare
8 – 15 May
15 May
4-5 wk
12 Jun
12 Jun
5 wk after
12 Jun
5 wk after
Butter bean
Phaseolus lunatus
Season too short
22 – 29 May
3-4 wk
19 Jun
6 wk after
Onion
Allium cepa (Cepa-gruppen)
12 Feb – 12 Mar
29 Mar
8-12 wk
7 May
24 May
0 wk
17 May
1 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
30 Apr
13 Jun
1 wk before
30 Apr
3 Jun
1 wk before
Maize
Zea mays
Season too short
9 – 16 Apr
3-4 wk
7 May
0 wk
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
15 – 22 Apr
24 Jun
3-4 wk
13 May
15 Jul
1 wk after
17 May
5 Jul
1 wk after
Carrot
Daucus carota subsp. sativus var. sativus
7 May
7 Jul
0 wk
25 Apr
27 Jun
2 wk before
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
19 Mar – 2 Apr
12 Jun
5-7 wk
7 May
17 Jul
0 wk
25 Apr
7 Jul
2 wk before
Potato
Solanum tuberosum
31 Mar – 14 Apr
28 May
4-6 wk
12 May
25 Jun
1 wk after
12 May
15 Jun
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
19 Mar – 2 Apr
22 Jun
5-7 wk
7 May
27 Jul
0 wk
30 Apr
17 Jul
1 wk before
Pumpkin
Cucurbita pepo
Greenhouse
20 – 27 Apr
3 May
3-4 wk
18 May
24 May
2 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
15 – 22 Apr
9 Jun
3-4 wk
13 May
30 Jun
1 wk after
17 May
20 Jun
1 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
26 Mar – 9 Apr
24 Jun
4-6 wk
7 May
22 Jul
0 wk
Lettuce
Lactuca sativa
9 – 16 Apr
11 Jul
3-4 wk
7 May
1 Aug
0 wk
30 Apr
22 Jul
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
26 Mar – 9 Apr
24 Jun
4-6 wk
7 May
22 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
28 Mar – 11 Apr
3 Jun
2-4 wk
25 Apr
17 Jun
2 wk before
25 Apr
7 Jun
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
30 Apr
13 Jun
1 wk before
30 Apr
3 Jun
1 wk before
Spinach
Spinacia oleracea
9 – 16 Apr
26 Jul
3-4 wk
7 May
16 Aug
0 wk
19 Apr
6 Aug
3 wk before
Sweet potato
Ipomoea batatas
3 – 17 Jun
4-6 wk
15 Jul
10 wk after
Garden tomato
Solanum lycopersicum
Season too short
12 – 26 Mar
6-8 wk
7 May
0 wk
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Greenhouse
9 – 23 Apr
5 May
2-4 wk
7 May
19 May
0 wk
17 May
1 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
26 Mar – 9 Apr
24 Jun
4-6 wk
7 May
22 Jul
0 wk
Garden pea
Pisum sativum
9 – 16 Apr
26 Jun
3-4 wk
7 May
17 Jul
0 wk
30 Apr
7 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
Season too short
6 – 20 Apr
11 Apr
4-6 wk
18 May
2 wk after
Lemon balm
Melissa officinalis
26 Feb – 12 Mar
22 May
8-10 wk
7 May
17 Jul
0 wk
28 May
7 Jul
3 wk after
Dill
Anethum graveolens
30 Apr
15 Jul
1 wk before
Wild chives
Allium schoenoprasum
12 – 26 Mar
5 Jun
6-8 wk
7 May
17 Jul
0 wk
30 Apr
7 Jul
1 wk before
Spearmint
Mentha spicata
12 Feb – 12 Mar
22 May
8-12 wk
7 May
17 Jul
0 wk
28 May
7 Jul
3 wk after
Coriander
Coriandrum sativum
7 May
4 Aug
0 wk
17 May
25 Jul
1 wk after
Garden sage
Salvia officinalis
4 – 18 Mar
7 May
8-10 wk
13 May
2 Jul
1 wk after
Common thyme
Thymus vulgaris
26 Feb – 12 Mar
12 May
8-10 wk
7 May
7 Jul
0 wk
Oregano
Origanum vulgare
12 – 26 Mar
26 May
6-8 wk
7 May
7 Jul
0 wk
28 May
27 Jun
3 wk after
Parsley
Petroselinum crispum
12 – 26 Mar
26 May
6-8 wk
7 May
7 Jul
0 wk
30 Apr
27 Jun
1 wk before
Rosemary
Salvia rosmarinus
4 Feb – 4 Mar
24 Mar
10-14 wk
13 May
2 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
Season too short
20 – 27 Apr
3-4 wk
18 May
2 wk after
Cornflower
Centaurea cyanus
7 May
17 Jul
0 wk
30 Apr
7 Jul
1 wk before
Statice
Limonium sinuatum
Fleece
9 – 23 Mar
19 Mar
8-10 wk
18 May
2 wk after
Sweet William
Dianthus barbatus
12 – 26 Mar
6-8 wk
7 May
0 wk
12 May
1 wk after
Snow-on-the-mountain
Euphorbia marginata
Fleece
23 Mar – 6 Apr
2 Apr
6-8 wk
18 May
2 wk after
22 Jun
7 wk after
Pinnate dahlia
Dahlia × pinnata
Fleece
18 Mar – 1 Apr
11 Apr
6-8 wk
13 May
23 May
1 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
2 – 30 Apr
4-8 wk
28 May
3 wk after
28 May
3 wk after
Foxglove
Digitalis purpurea
26 Feb – 12 Mar
8-10 wk
7 May
0 wk
17 May
1 wk after
Busy lizzie
Impatiens walleriana
Fleece
3 – 31 Mar
29 Apr
8-12 wk
26 May
24 Jun
3 wk after
Creeping zinnia
Sanvitalia procumbens
Fleece
23 Mar – 6 Apr
12 Apr
6-8 wk
18 May
24 May
2 wk after
Hyacinth bean
Dolichos lablab
Season too short
14 – 28 Apr
4-6 wk
26 May
3 wk after
Chinese lantern
Physalis alkekengi
4 – 18 Mar
10 Apr
8-10 wk
13 May
5 Jun
1 wk after
Love in a mist
Nigella damascena
7 May
2 Jul
0 wk
30 Apr
22 Jun
1 wk before
Strawflower
Xerochrysum bracteatum
Greenhouse
12 – 26 Mar
6 Apr
6-8 wk
7 May
18 May
0 wk
4 Jun
4 wk after
Purple-top vervain
Verbena bonariensis
18 Feb – 18 Mar
10 Apr
8-12 wk
13 May
5 Jun
1 wk after
Cardoon
Cynara cardunculus
Fleece
23 Feb – 23 Mar
23 Mar
8-12 wk
18 May
18 May
2 wk after
Regal-foxtail
Ptilotus nobilis
Season too short
23 Feb – 23 Mar
4 Mar
8-12 wk
18 May
2 wk after
Globe amaranth
Gomphrena globosa
Season too short
23 Mar – 6 Apr
6-8 wk
18 May
2 wk after
Corn poppy
Papaver rhoeas
7 May
17 Jul
0 wk
30 Apr
7 Jul
1 wk before
Snapdragon
Antirrhinum majus
12 Feb – 12 Mar
12 May
8-12 wk
7 May
7 Jul
0 wk
12 May
27 Jun
1 wk after
Flossflower
Ageratum houstonianum
Fleece
17 – 31 Mar
29 Mar
8-10 wk
26 May
3 wk after
Sweet pea
Lathyrus odoratus
12 Mar – 2 Apr
2 Jun
5-8 wk
7 May
7 Jul
0 wk
Stock
Matthiola incana
12 – 26 Mar
5 Jun
6-8 wk
7 May
17 Jul
0 wk
17 May
7 Jul
1 wk after
Wormwood
Artemisia absinthium
12 – 26 Mar
6 May
6-8 wk
7 May
17 Jun
0 wk
17 May
7 Jun
1 wk after
Mexican sunflower
Tithonia rotundifolia
Season too short
6 – 20 Apr
4-6 wk
18 May
2 wk after
Garden pansy
Viola × wittrockiana
26 Feb – 12 Mar
22 May
8-10 wk
7 May
17 Jul
0 wk
12 May
7 Jul
1 wk after
Petunia
Petunia
Fleece
23 Feb – 23 Mar
19 Mar
8-12 wk
18 May
2 wk after
Sweet Scabious
Scabiosa atropurpurea
18 Mar – 1 Apr
24 Apr
6-8 wk
13 May
5 Jun
1 wk after
12 Jun
5 wk after
Common zinnia
Zinnia elegans
Greenhouse
26 Mar – 9 Apr
5 May
4-6 wk
7 May
2 Jun
0 wk
Common morning glory
Ipomoea purpurea
Season too short
13 – 27 Apr
18 Apr
3-5 wk
18 May
2 wk after
Garden cosmos
Cosmos bipinnatus
Fleece
6 – 20 Apr
25 Apr
4-6 wk
18 May
23 May
2 wk after
28 May
3 wk after
Scarlet milkweed
Asclepias curassavica
Greenhouse
3 – 31 Mar
3 Apr
8-12 wk
26 May
29 May
3 wk after
Bee balm
Monarda didyma
12 Feb – 12 Mar
22 Apr
8-12 wk
7 May
17 Jun
0 wk
28 May
7 Jun
3 wk after
Yarrow
Achillea millefolium
12 – 26 Mar
6 Apr
6-8 wk
7 May
18 May
0 wk
17 May
1 wk after
Safflower
Carthamus tinctorius
7 May
17 Jun
0 wk
30 Apr
7 Jun
1 wk before
Iceland poppy
Papaver nudicaule
Season too short
12 – 26 Mar
26 May
6-8 wk
7 May
7 Jul
0 wk
29 Mar
27 Jun
6 wk before
Bishop's flower
Ammi majus
26 Mar – 9 Apr
9 Jun
4-6 wk
7 May
7 Jul
0 wk
17 May
27 Jun
1 wk after
Drumsticks
Pycnosorus globosus
Season too short
23 Feb – 9 Mar
10-12 wk
18 May
2 wk after
Sunflower
Helianthus annuus
28 Apr – 5 May
1 Jun
3-4 wk
26 May
22 Jun
3 wk after
28 May
12 Jun
3 wk after
China aster
Callistephus chinensis
31 Mar – 14 Apr
21 May
6-8 wk
26 May
2 Jul
3 wk after
12 Jun
22 Jun
5 wk after
Annual phlox
Phlox drummondii
Fleece
12 – 26 Mar
12 Apr
6-8 wk
7 May
24 May
0 wk
28 May
3 wk after
Hollyhock
Alcea rosea
12 – 26 Mar
6-8 wk
7 May
0 wk
17 May
1 wk after
Alpine delphinium
Delphinium elatum
12 Feb – 12 Mar
22 Apr
8-12 wk
7 May
17 Jun
0 wk
28 May
7 Jun
3 wk after
African marigold
Tagetes erecta
Fleece
23 Mar – 6 Apr
12 Apr
6-8 wk
18 May
24 May
2 wk after
Black-eyed Susan
Rudbeckia hirta
18 Mar – 1 Apr
11 May
6-8 wk
13 May
22 Jun
1 wk after
12 Jun
12 Jun
5 wk after
Wood sage
Salvia nemorosa
26 Feb – 12 Mar
12 Apr
8-10 wk
7 May
7 Jun
0 wk
28 May
28 May
3 wk after
Black-eyed susan vine
Thunbergia alata
Season too short
9 Mar – 6 Apr
28 Mar
6-10 wk
18 May
2 wk after
California goldenpoppy
Eschscholzia californica
7 May
17 Jul
0 wk
30 Apr
7 Jul
1 wk before
Painted tongue
Salpiglossis sinuata
17 – 31 Mar
17 Apr
8-10 wk
26 May
12 Jun
3 wk after
Water forget-me-not
Myosotis scorpioides
12 – 26 Mar
6 May
6-8 wk
7 May
17 Jun
0 wk
17 May
7 Jun
1 wk after