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-1.1°
Slight frost tonight at 05:00. Frost temperatures between tomorrow 02:00 – 06:00. Bring in or cover sensitive plants
0.7°
Last 24h: Near frost recorded tonight at 05:00. Inspect for frost damage
Method
Rel. frost
Last spring frost (0°C) 8 May Frost 9 of 10 years · 20 years of data
Frost-free season 117 days 8 May – 2 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)
20 Mar – 3 Apr
16 Jun
5-7 wk
8 May
21 Jul
0 wk
1 May
11 Jul
1 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
27 Mar – 10 Apr
28 Jun
4-6 wk
8 May
26 Jul
0 wk
1 May
16 Jul
1 wk before
Chili pepper
Capsicum annuum
Season too short
24 Feb – 24 Mar
8-12 wk
19 May
2 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
20 Mar – 3 Apr
11 Jun
5-7 wk
8 May
16 Jul
0 wk
26 Apr
6 Jul
2 wk before
Garden cucumber
Cucumis sativus
Season too short
21 – 28 Apr
3-4 wk
19 May
2 wk after
Florence Fennel
Foeniculum vulgare
Fleece
22 – 29 Apr
19 May
4-5 wk
27 May
16 Jun
3 wk after
29 May
6 Jun
3 wk after
Butter bean
Phaseolus lunatus
Season too short
23 – 30 May
3-4 wk
20 Jun
6 wk after
Onion
Allium cepa (Cepa-gruppen)
13 Feb – 13 Mar
12 Mar
8-12 wk
8 May
0 wk
18 May
1 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
1 May
27 May
1 wk before
1 May
17 May
1 wk before
Maize
Zea mays
Season too short
10 – 17 Apr
3-4 wk
8 May
0 wk
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
16 – 23 Apr
15 Jun
3-4 wk
14 May
6 Jul
1 wk after
18 May
26 Jun
1 wk after
Carrot
Daucus carota subsp. sativus var. sativus
8 May
4 Jul
0 wk
26 Apr
24 Jun
2 wk before
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
20 Mar – 3 Apr
11 Jun
5-7 wk
8 May
16 Jul
0 wk
26 Apr
6 Jul
2 wk before
Potato
Solanum tuberosum
1 – 15 Apr
13 May
4-6 wk
13 May
10 Jun
1 wk after
13 May
31 May
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
20 Mar – 3 Apr
19 Jun
5-7 wk
8 May
24 Jul
0 wk
1 May
14 Jul
1 wk before
Pumpkin
Cucurbita pepo
Season too short
21 – 28 Apr
3-4 wk
19 May
2 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
16 – 23 Apr
19 May
3-4 wk
14 May
9 Jun
1 wk after
18 May
30 May
1 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
27 Mar – 10 Apr
23 Jun
4-6 wk
8 May
21 Jul
0 wk
Lettuce
Lactuca sativa
10 – 17 Apr
8 Jul
3-4 wk
8 May
29 Jul
0 wk
1 May
19 Jul
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
27 Mar – 10 Apr
23 Jun
4-6 wk
8 May
21 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
29 Mar – 12 Apr
15 May
2-4 wk
26 Apr
29 May
2 wk before
26 Apr
19 May
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
1 May
27 May
1 wk before
1 May
17 May
1 wk before
Spinach
Spinacia oleracea
10 – 17 Apr
25 Jul
3-4 wk
8 May
15 Aug
0 wk
20 Apr
5 Aug
3 wk before
Sweet potato
Ipomoea batatas
4 – 18 Jun
4-6 wk
16 Jul
10 wk after
Garden tomato
Solanum lycopersicum
Season too short
13 – 27 Mar
6-8 wk
8 May
0 wk
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Season too short
10 – 24 Apr
2-4 wk
8 May
0 wk
18 May
1 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
27 Mar – 10 Apr
23 Jun
4-6 wk
8 May
21 Jul
0 wk
Garden pea
Pisum sativum
10 – 17 Apr
23 Jun
3-4 wk
8 May
14 Jul
0 wk
1 May
4 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
7 – 21 Apr
4-6 wk
19 May
2 wk after
Lemon balm
Melissa officinalis
27 Feb – 13 Mar
19 May
8-10 wk
8 May
14 Jul
0 wk
29 May
4 Jul
3 wk after
Dill
Anethum graveolens
1 May
6 Jul
1 wk before
Wild chives
Allium schoenoprasum
13 – 27 Mar
4 Jun
6-8 wk
8 May
16 Jul
0 wk
1 May
6 Jul
1 wk before
Spearmint
Mentha spicata
13 Feb – 13 Mar
21 May
8-12 wk
8 May
16 Jul
0 wk
29 May
6 Jul
3 wk after
Coriander
Coriandrum sativum
8 May
26 Jul
0 wk
18 May
16 Jul
1 wk after
Garden sage
Salvia officinalis
5 – 19 Mar
6 May
8-10 wk
14 May
1 Jul
1 wk after
Common thyme
Thymus vulgaris
27 Feb – 13 Mar
11 May
8-10 wk
8 May
6 Jul
0 wk
Oregano
Origanum vulgare
13 – 27 Mar
25 May
6-8 wk
8 May
6 Jul
0 wk
29 May
26 Jun
3 wk after
Parsley
Petroselinum crispum
13 – 27 Mar
25 May
6-8 wk
8 May
6 Jul
0 wk
1 May
26 Jun
1 wk before
Rosemary
Salvia rosmarinus
5 Feb – 5 Mar
14 Mar
10-14 wk
14 May
23 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
21 – 28 Apr
3-4 wk
19 May
2 wk after
Cornflower
Centaurea cyanus
8 May
16 Jul
0 wk
1 May
6 Jul
1 wk before
Statice
Limonium sinuatum
Greenhouse
27 Feb – 13 Mar
16 Mar
8-10 wk
8 May
11 May
0 wk
Sweet William
Dianthus barbatus
13 – 27 Mar
6-8 wk
8 May
0 wk
13 May
1 wk after
Snow-on-the-mountain
Euphorbia marginata
Greenhouse
13 – 27 Mar
30 Mar
6-8 wk
8 May
11 May
0 wk
5 Jun
4 wk after
Pinnate dahlia
Dahlia × pinnata
Greenhouse
13 – 27 Mar
15 Apr
6-8 wk
8 May
27 May
0 wk
Pinnate dahlia (tubers)
Dahlia × pinnata
Greenhouse
12 Mar – 9 Apr
29 Apr
4-8 wk
7 May
27 May
0 wk
7 May
17 May
0 wk
Foxglove
Digitalis purpurea
27 Feb – 13 Mar
8-10 wk
8 May
0 wk
18 May
1 wk after
Busy lizzie
Impatiens walleriana
Greenhouse
24 Feb – 24 Mar
5 Apr
8-12 wk
19 May
31 May
2 wk after
Creeping zinnia
Sanvitalia procumbens
Greenhouse
13 – 27 Mar
9 Apr
6-8 wk
8 May
21 May
0 wk
Hyacinth bean
Dolichos lablab
Season too short
15 – 29 Apr
4-6 wk
27 May
3 wk after
Chinese lantern
Physalis alkekengi
5 – 19 Mar
1 Apr
8-10 wk
14 May
27 May
1 wk after
Love in a mist
Nigella damascena
8 May
29 Jun
0 wk
1 May
19 Jun
1 wk before
Strawflower
Xerochrysum bracteatum
Season too short
13 – 27 Mar
20 Mar
6-8 wk
8 May
0 wk
5 Jun
4 wk after
Purple-top vervain
Verbena bonariensis
19 Feb – 19 Mar
1 Apr
8-12 wk
14 May
27 May
1 wk after
Cardoon
Cynara cardunculus
Greenhouse
13 Feb – 13 Mar
22 Mar
8-12 wk
8 May
17 May
0 wk
Regal-foxtail
Ptilotus nobilis
Season too short
24 Feb – 24 Mar
8-12 wk
19 May
2 wk after
Globe amaranth
Gomphrena globosa
Season too short
24 Mar – 7 Apr
6-8 wk
19 May
2 wk after
Corn poppy
Papaver rhoeas
8 May
14 Jul
0 wk
1 May
4 Jul
1 wk before
Snapdragon
Antirrhinum majus
13 Feb – 13 Mar
9 May
8-12 wk
8 May
4 Jul
0 wk
13 May
24 Jun
1 wk after
Flossflower
Ageratum houstonianum
Season too short
10 – 24 Mar
26 Mar
8-10 wk
19 May
21 May
2 wk after
Sweet pea
Lathyrus odoratus
13 Mar – 3 Apr
1 Jun
5-8 wk
8 May
6 Jul
0 wk
Stock
Matthiola incana
13 – 27 Mar
2 Jun
6-8 wk
8 May
14 Jul
0 wk
18 May
4 Jul
1 wk after
Wormwood
Artemisia absinthium
13 – 27 Mar
5 May
6-8 wk
8 May
16 Jun
0 wk
18 May
6 Jun
1 wk after
Mexican sunflower
Tithonia rotundifolia
Season too short
7 – 21 Apr
4-6 wk
19 May
2 wk after
Garden pansy
Viola × wittrockiana
27 Feb – 13 Mar
21 May
8-10 wk
8 May
16 Jul
0 wk
13 May
6 Jul
1 wk after
Petunia
Petunia
Greenhouse
13 Feb – 13 Mar
16 Mar
8-12 wk
8 May
11 May
0 wk
Sweet Scabious
Scabiosa atropurpurea
19 Mar – 2 Apr
15 Apr
6-8 wk
14 May
27 May
1 wk after
13 Jun
5 wk after
Common zinnia
Zinnia elegans
Season too short
27 Mar – 10 Apr
4-6 wk
8 May
0 wk
Common morning glory
Ipomoea purpurea
Season too short
14 – 28 Apr
3-5 wk
19 May
2 wk after
Garden cosmos
Cosmos bipinnatus
Greenhouse
27 Mar – 10 Apr
29 Apr
4-6 wk
8 May
27 May
0 wk
18 May
1 wk after
Scarlet milkweed
Asclepias curassavica
Season too short
4 Mar – 1 Apr
8-12 wk
27 May
3 wk after
Bee balm
Monarda didyma
13 Feb – 13 Mar
19 Apr
8-12 wk
8 May
14 Jun
0 wk
29 May
4 Jun
3 wk after
Yarrow
Achillea millefolium
13 – 27 Mar
5 Apr
6-8 wk
8 May
17 May
0 wk
18 May
1 wk after
Safflower
Carthamus tinctorius
8 May
16 Jun
0 wk
1 May
6 Jun
1 wk before
Iceland poppy
Papaver nudicaule
Season too short
13 – 27 Mar
25 May
6-8 wk
8 May
6 Jul
0 wk
30 Mar
26 Jun
6 wk before
Bishop's flower
Ammi majus
27 Mar – 10 Apr
6 Jun
4-6 wk
8 May
4 Jul
0 wk
18 May
24 Jun
1 wk after
Drumsticks
Pycnosorus globosus
Season too short
24 Feb – 10 Mar
10-12 wk
19 May
2 wk after
Sunflower
Helianthus annuus
29 Apr – 6 May
22 May
3-4 wk
27 May
12 Jun
3 wk after
29 May
2 Jun
3 wk after
China aster
Callistephus chinensis
1 – 15 Apr
11 May
6-8 wk
27 May
22 Jun
3 wk after
13 Jun
5 wk after
Annual phlox
Phlox drummondii
Greenhouse
13 – 27 Mar
9 Apr
6-8 wk
8 May
21 May
0 wk
18 May
1 wk after
Hollyhock
Alcea rosea
13 – 27 Mar
6-8 wk
8 May
0 wk
18 May
1 wk after
Alpine delphinium
Delphinium elatum
13 Feb – 13 Mar
19 Apr
8-12 wk
8 May
14 Jun
0 wk
29 May
4 Jun
3 wk after
African marigold
Tagetes erecta
Greenhouse
13 – 27 Mar
9 Apr
6-8 wk
8 May
21 May
0 wk
Black-eyed Susan
Rudbeckia hirta
19 Mar – 2 Apr
1 May
6-8 wk
14 May
12 Jun
1 wk after
13 Jun
5 wk after
Wood sage
Salvia nemorosa
27 Feb – 13 Mar
9 Apr
8-10 wk
8 May
4 Jun
0 wk
29 May
3 wk after
Black-eyed susan vine
Thunbergia alata
Season too short
10 Mar – 7 Apr
6-10 wk
19 May
2 wk after
California goldenpoppy
Eschscholzia californica
8 May
29 Jun
0 wk
1 May
19 Jun
1 wk before
Painted tongue
Salpiglossis sinuata
Fleece
10 – 24 Mar
21 Apr
8-10 wk
19 May
16 Jun
2 wk after
Water forget-me-not
Myosotis scorpioides
13 – 27 Mar
5 May
6-8 wk
8 May
16 Jun
0 wk
18 May
6 Jun
1 wk after