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0.6°
Near frost tonight at 04:00. Bring in or cover sensitive plants
-2.0°
Last 24h: Slight frost recorded tonight at 04:00. Inspect for frost damage
Method
Rel. frost
Last spring frost (0°C) 1 May Frost 9 of 10 years · 20 years of data
Frost-free season 136 days 1 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)
13 – 27 Mar
17 Jun
5-7 wk
1 May
22 Jul
0 wk
24 Apr
12 Jul
1 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
20 Mar – 3 Apr
29 Jun
4-6 wk
1 May
27 Jul
0 wk
24 Apr
17 Jul
1 wk before
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)
13 – 27 Mar
12 Jun
5-7 wk
1 May
17 Jul
0 wk
19 Apr
7 Jul
2 wk before
Garden cucumber
Cucumis sativus
Season too short
14 – 21 Apr
3-4 wk
12 May
2 wk after
Florence Fennel
Foeniculum vulgare
2 – 9 May
19 May
4-5 wk
6 Jun
16 Jun
5 wk after
6 Jun
6 Jun
5 wk after
Butter bean
Phaseolus lunatus
Season too short
16 – 23 May
3-4 wk
13 Jun
6 wk after
Onion
Allium cepa (Cepa-gruppen)
6 Feb – 6 Mar
30 Mar
8-12 wk
1 May
25 May
0 wk
11 May
15 May
1 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
24 Apr
14 Jun
1 wk before
24 Apr
4 Jun
1 wk before
Maize
Zea mays
Season too short
3 – 10 Apr
3-4 wk
1 May
0 wk
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
9 – 16 Apr
30 Jun
3-4 wk
7 May
21 Jul
1 wk after
11 May
11 Jul
1 wk after
Carrot
Daucus carota subsp. sativus var. sativus
1 May
7 Jul
0 wk
19 Apr
27 Jun
2 wk before
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
13 – 27 Mar
12 Jun
5-7 wk
1 May
17 Jul
0 wk
19 Apr
7 Jul
2 wk before
Potato
Solanum tuberosum
25 Mar – 8 Apr
29 May
4-6 wk
6 May
26 Jun
1 wk after
6 May
16 Jun
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
13 – 27 Mar
22 Jun
5-7 wk
1 May
27 Jul
0 wk
24 Apr
17 Jul
1 wk before
Pumpkin
Cucurbita pepo
Greenhouse
14 – 21 Apr
21 May
3-4 wk
12 May
11 Jun
2 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
9 – 16 Apr
9 Jun
3-4 wk
7 May
30 Jun
1 wk after
11 May
20 Jun
1 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
20 Mar – 3 Apr
24 Jun
4-6 wk
1 May
22 Jul
0 wk
Lettuce
Lactuca sativa
3 – 10 Apr
11 Jul
3-4 wk
1 May
1 Aug
0 wk
24 Apr
22 Jul
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
20 Mar – 3 Apr
24 Jun
4-6 wk
1 May
22 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)
24 Apr
14 Jun
1 wk before
24 Apr
4 Jun
1 wk before
Spinach
Spinacia oleracea
3 – 10 Apr
26 Jul
3-4 wk
1 May
16 Aug
0 wk
13 Apr
6 Aug
3 wk before
Sweet potato
Ipomoea batatas
28 May – 11 Jun
4-6 wk
9 Jul
10 wk after
Garden tomato
Solanum lycopersicum
Season too short
6 – 20 Mar
6-8 wk
1 May
0 wk
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Greenhouse
3 – 17 Apr
23 May
2-4 wk
1 May
6 Jun
0 wk
11 May
27 May
1 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
20 Mar – 3 Apr
24 Jun
4-6 wk
1 May
22 Jul
0 wk
Garden pea
Pisum sativum
3 – 10 Apr
26 Jun
3-4 wk
1 May
17 Jul
0 wk
24 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
Greenhouse
31 Mar – 14 Apr
29 Apr
4-6 wk
12 May
27 May
2 wk after
Lemon balm
Melissa officinalis
20 Feb – 6 Mar
22 May
8-10 wk
1 May
17 Jul
0 wk
22 May
7 Jul
3 wk after
Dill
Anethum graveolens
24 Apr
21 Jul
1 wk before
Wild chives
Allium schoenoprasum
6 – 20 Mar
5 Jun
6-8 wk
1 May
17 Jul
0 wk
24 Apr
7 Jul
1 wk before
Spearmint
Mentha spicata
6 Feb – 6 Mar
22 May
8-12 wk
1 May
17 Jul
0 wk
22 May
7 Jul
3 wk after
Coriander
Coriandrum sativum
1 May
10 Aug
0 wk
11 May
31 Jul
1 wk after
Garden sage
Salvia officinalis
26 Feb – 12 Mar
7 May
8-10 wk
7 May
2 Jul
1 wk after
Common thyme
Thymus vulgaris
20 Feb – 6 Mar
12 May
8-10 wk
1 May
7 Jul
0 wk
Oregano
Origanum vulgare
6 – 20 Mar
26 May
6-8 wk
1 May
7 Jul
0 wk
22 May
27 Jun
3 wk after
Parsley
Petroselinum crispum
6 – 20 Mar
26 May
6-8 wk
1 May
7 Jul
0 wk
24 Apr
27 Jun
1 wk before
Rosemary
Salvia rosmarinus
29 Jan – 26 Feb
25 Mar
10-14 wk
7 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
6 May
3-4 wk
12 May
27 May
2 wk after
Cornflower
Centaurea cyanus
1 May
17 Jul
0 wk
24 Apr
7 Jul
1 wk before
Statice
Limonium sinuatum
Fleece
3 – 17 Mar
27 Mar
8-10 wk
12 May
22 May
2 wk after
Sweet William
Dianthus barbatus
6 – 20 Mar
6-8 wk
1 May
0 wk
6 May
1 wk after
Snow-on-the-mountain
Euphorbia marginata
Fleece
17 – 31 Mar
10 Apr
6-8 wk
12 May
22 May
2 wk after
16 Jun
7 wk after
Pinnate dahlia
Dahlia × pinnata
20 Mar – 3 Apr
5 Apr
6-8 wk
15 May
17 May
2 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
27 Mar – 24 Apr
19 Apr
4-8 wk
22 May
3 wk after
22 May
3 wk after
Foxglove
Digitalis purpurea
20 Feb – 6 Mar
8-10 wk
1 May
0 wk
11 May
1 wk after
Busy lizzie
Impatiens walleriana
Fleece
25 Feb – 25 Mar
17 May
8-12 wk
20 May
12 Jul
3 wk after
Creeping zinnia
Sanvitalia procumbens
Fleece
17 – 31 Mar
20 Apr
6-8 wk
12 May
1 Jun
2 wk after
Hyacinth bean
Dolichos lablab
Season too short
8 – 22 Apr
4-6 wk
20 May
3 wk after
Chinese lantern
Physalis alkekengi
26 Feb – 12 Mar
16 Apr
8-10 wk
7 May
11 Jun
1 wk after
Love in a mist
Nigella damascena
1 May
2 Jul
0 wk
24 Apr
22 Jun
1 wk before
Strawflower
Xerochrysum bracteatum
Fleece
17 – 31 Mar
31 Mar
6-8 wk
12 May
12 May
2 wk after
16 Jun
7 wk after
Purple-top vervain
Verbena bonariensis
12 Feb – 12 Mar
16 Apr
8-12 wk
7 May
11 Jun
1 wk after
Cardoon
Cynara cardunculus
Fleece
17 Feb – 17 Mar
23 Mar
8-12 wk
12 May
18 May
2 wk after
Regal-foxtail
Ptilotus nobilis
Greenhouse
17 Feb – 17 Mar
22 Mar
8-12 wk
12 May
17 May
2 wk after
Globe amaranth
Gomphrena globosa
Greenhouse
17 – 31 Mar
5 Apr
6-8 wk
12 May
17 May
2 wk after
Corn poppy
Papaver rhoeas
1 May
17 Jul
0 wk
24 Apr
7 Jul
1 wk before
Snapdragon
Antirrhinum majus
6 Feb – 6 Mar
12 May
8-12 wk
1 May
7 Jul
0 wk
6 May
27 Jun
1 wk after
Flossflower
Ageratum houstonianum
Fleece
11 – 25 Mar
6 Apr
8-10 wk
20 May
1 Jun
3 wk after
Sweet pea
Lathyrus odoratus
6 – 27 Mar
2 Jun
5-8 wk
1 May
7 Jul
0 wk
Stock
Matthiola incana
6 – 20 Mar
5 Jun
6-8 wk
1 May
17 Jul
0 wk
11 May
7 Jul
1 wk after
Wormwood
Artemisia absinthium
6 – 20 Mar
6 May
6-8 wk
1 May
17 Jun
0 wk
11 May
7 Jun
1 wk after
Mexican sunflower
Tithonia rotundifolia
Greenhouse
31 Mar – 14 Apr
14 Apr
4-6 wk
12 May
12 May
2 wk after
Garden pansy
Viola × wittrockiana
20 Feb – 6 Mar
22 May
8-10 wk
1 May
17 Jul
0 wk
6 May
7 Jul
1 wk after
Petunia
Petunia
Fleece
17 Feb – 17 Mar
27 Mar
8-12 wk
12 May
22 May
2 wk after
Sweet Scabious
Scabiosa atropurpurea
12 – 26 Mar
30 Apr
6-8 wk
7 May
11 Jun
1 wk after
6 Jun
5 wk after
Common zinnia
Zinnia elegans
Fleece
31 Mar – 14 Apr
29 Apr
4-6 wk
12 May
27 May
2 wk after
Common morning glory
Ipomoea purpurea
Greenhouse
7 – 21 Apr
6 May
3-5 wk
12 May
27 May
2 wk after
Garden cosmos
Cosmos bipinnatus
Fleece
31 Mar – 14 Apr
24 Apr
4-6 wk
12 May
22 May
2 wk after
22 May
3 wk after
Scarlet milkweed
Asclepias curassavica
Greenhouse
25 Feb – 25 Mar
21 Apr
8-12 wk
20 May
16 Jun
3 wk after
Bee balm
Monarda didyma
6 Feb – 6 Mar
22 Apr
8-12 wk
1 May
17 Jun
0 wk
22 May
7 Jun
3 wk after
Yarrow
Achillea millefolium
6 – 20 Mar
6 Apr
6-8 wk
1 May
18 May
0 wk
11 May
1 wk after
Safflower
Carthamus tinctorius
1 May
17 Jun
0 wk
24 Apr
7 Jun
1 wk before
Iceland poppy
Papaver nudicaule
Season too short
6 – 20 Mar
26 May
6-8 wk
1 May
7 Jul
0 wk
23 Mar
27 Jun
6 wk before
Bishop's flower
Ammi majus
20 Mar – 3 Apr
9 Jun
4-6 wk
1 May
7 Jul
0 wk
11 May
27 Jun
1 wk after
Drumsticks
Pycnosorus globosus
Season too short
17 Feb – 3 Mar
21 Feb
10-12 wk
12 May
2 wk after
Sunflower
Helianthus annuus
22 – 29 Apr
2 Jun
3-4 wk
20 May
23 Jun
3 wk after
22 May
13 Jun
3 wk after
China aster
Callistephus chinensis
25 Mar – 8 Apr
22 May
6-8 wk
20 May
3 Jul
3 wk after
6 Jun
23 Jun
5 wk after
Annual phlox
Phlox drummondii
Fleece
6 – 20 Mar
20 Apr
6-8 wk
1 May
1 Jun
0 wk
22 May
22 May
3 wk after
Hollyhock
Alcea rosea
6 – 20 Mar
6-8 wk
1 May
0 wk
11 May
1 wk after
Alpine delphinium
Delphinium elatum
6 Feb – 6 Mar
22 Apr
8-12 wk
1 May
17 Jun
0 wk
22 May
7 Jun
3 wk after
African marigold
Tagetes erecta
Fleece
17 – 31 Mar
20 Apr
6-8 wk
12 May
1 Jun
2 wk after
Black-eyed Susan
Rudbeckia hirta
12 – 26 Mar
12 May
6-8 wk
7 May
23 Jun
1 wk after
6 Jun
13 Jun
5 wk after
Wood sage
Salvia nemorosa
20 Feb – 6 Mar
12 Apr
8-10 wk
1 May
7 Jun
0 wk
22 May
28 May
3 wk after
Black-eyed susan vine
Thunbergia alata
Greenhouse
3 – 31 Mar
15 Apr
6-10 wk
12 May
27 May
2 wk after
California goldenpoppy
Eschscholzia californica
1 May
17 Jul
0 wk
24 Apr
7 Jul
1 wk before
Painted tongue
Salpiglossis sinuata
11 – 25 Mar
21 Apr
8-10 wk
20 May
16 Jun
3 wk after
Water forget-me-not
Myosotis scorpioides
6 – 20 Mar
6 May
6-8 wk
1 May
17 Jun
0 wk
11 May
7 Jun
1 wk after