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0.3°
Near frost tomorrow at 23:00. Bring in or cover sensitive plants
Method
Rel. frost
Last spring frost (0°C) 13 May Frost 9 of 10 years · 20 years of data
Frost-free season 110 days 13 May – 31 Aug
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)
25 Mar – 8 Apr
15 Jun
5-7 wk
13 May
20 Jul
0 wk
17 May
10 Jul
1 wk after
Broccoli
Brassica oleracea (Italica-gruppen)
1 – 15 Apr
27 Jun
4-6 wk
13 May
25 Jul
0 wk
17 May
15 Jul
1 wk after
Chili pepper
Capsicum annuum
Season too short
5 Mar – 2 Apr
8-12 wk
28 May
2 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
25 Mar – 8 Apr
10 Jun
5-7 wk
13 May
15 Jul
0 wk
13 May
5 Jul
0 wk
Garden cucumber
Cucumis sativus
Season too short
30 Apr – 7 May
3-4 wk
28 May
2 wk after
Florence Fennel
Foeniculum vulgare
Fleece
5 – 12 May
24 May
4-5 wk
9 Jun
21 Jun
4 wk after
17 Jun
5 wk after
Butter bean
Phaseolus lunatus
Season too short
2 – 9 Jun
3-4 wk
30 Jun
7 wk after
Onion
Allium cepa (Cepa-gruppen)
18 Feb – 18 Mar
11 Mar
8-12 wk
13 May
0 wk
3 Jun
3 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
17 May
26 May
1 wk after
17 May
1 wk after
Maize
Zea mays
Season too short
16 – 23 Apr
3-4 wk
14 May
0 wk
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
23 – 30 Apr
20 Jun
3-4 wk
21 May
11 Jul
1 wk after
3 Jun
1 Jul
3 wk after
Carrot
Daucus carota subsp. sativus var. sativus
13 May
28 Jun
0 wk
13 May
18 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
25 Mar – 8 Apr
10 Jun
5-7 wk
13 May
15 Jul
0 wk
13 May
5 Jul
0 wk
Potato
Solanum tuberosum
17 Apr – 1 May
13 May
4-6 wk
29 May
10 Jun
2 wk after
29 May
31 May
2 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
25 Mar – 8 Apr
13 Jun
5-7 wk
13 May
18 Jul
0 wk
17 May
8 Jul
1 wk after
Pumpkin
Cucurbita pepo
Season too short
30 Apr – 7 May
3-4 wk
28 May
2 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
23 – 30 Apr
14 May
3-4 wk
21 May
4 Jun
1 wk after
3 Jun
3 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
1 – 15 Apr
22 Jun
4-6 wk
13 May
20 Jul
0 wk
Lettuce
Lactuca sativa
15 – 22 Apr
2 Jul
3-4 wk
13 May
23 Jul
0 wk
17 May
13 Jul
1 wk after
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
1 – 15 Apr
22 Jun
4-6 wk
13 May
20 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
15 – 29 Apr
15 May
2-4 wk
13 May
29 May
0 wk
13 May
19 May
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
17 May
26 May
1 wk after
17 May
1 wk after
Spinach
Spinacia oleracea
15 – 22 Apr
24 Jul
3-4 wk
13 May
14 Aug
0 wk
9 May
4 Aug
1 wk before
Sweet potato
Ipomoea batatas
14 – 28 Jun
4-6 wk
26 Jul
11 wk after
Garden tomato
Solanum lycopersicum
Season too short
19 Mar – 2 Apr
6-8 wk
14 May
0 wk
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Season too short
16 – 30 Apr
2-4 wk
14 May
0 wk
3 Jun
3 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
1 – 15 Apr
22 Jun
4-6 wk
13 May
20 Jul
0 wk
Garden pea
Pisum sativum
15 – 22 Apr
17 Jun
3-4 wk
13 May
8 Jul
0 wk
17 May
28 Jun
1 wk after

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
16 – 30 Apr
4-6 wk
28 May
2 wk after
Lemon balm
Melissa officinalis
4 – 18 Mar
13 May
8-10 wk
13 May
8 Jul
0 wk
17 Jun
28 Jun
5 wk after
Dill
Anethum graveolens
17 May
11 Jul
1 wk after
Wild chives
Allium schoenoprasum
18 Mar – 1 Apr
3 Jun
6-8 wk
13 May
15 Jul
0 wk
17 May
5 Jul
1 wk after
Spearmint
Mentha spicata
18 Feb – 18 Mar
20 May
8-12 wk
13 May
15 Jul
0 wk
17 Jun
5 Jul
5 wk after
Coriander
Coriandrum sativum
13 May
31 Jul
0 wk
3 Jun
21 Jul
3 wk after
Garden sage
Salvia officinalis
12 – 26 Mar
5 May
8-10 wk
21 May
30 Jun
1 wk after
Common thyme
Thymus vulgaris
4 – 18 Mar
10 May
8-10 wk
13 May
5 Jul
0 wk
Oregano
Origanum vulgare
18 Mar – 1 Apr
24 May
6-8 wk
13 May
5 Jul
0 wk
17 Jun
25 Jun
5 wk after
Parsley
Petroselinum crispum
18 Mar – 1 Apr
24 May
6-8 wk
13 May
5 Jul
0 wk
17 May
25 Jun
1 wk after
Rosemary
Salvia rosmarinus
12 Feb – 12 Mar
14 Mar
10-14 wk
21 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
30 Apr – 7 May
3-4 wk
28 May
2 wk after
Cornflower
Centaurea cyanus
13 May
15 Jul
0 wk
17 May
5 Jul
1 wk after
Statice
Limonium sinuatum
Season too short
5 – 19 Mar
8-10 wk
14 May
0 wk
Sweet William
Dianthus barbatus
18 Mar – 1 Apr
6-8 wk
13 May
0 wk
29 May
2 wk after
Snow-on-the-mountain
Euphorbia marginata
Season too short
19 Mar – 2 Apr
6-8 wk
14 May
0 wk
23 Jun
6 wk after
Pinnate dahlia
Dahlia × pinnata
Greenhouse
18 Mar – 1 Apr
13 Apr
6-8 wk
13 May
25 May
0 wk
Pinnate dahlia (tubers)
Dahlia × pinnata
Greenhouse
28 Mar – 25 Apr
27 Apr
4-8 wk
23 May
25 May
1 wk after
23 May
1 wk after
Foxglove
Digitalis purpurea
4 – 18 Mar
8-10 wk
13 May
0 wk
3 Jun
3 wk after
Busy lizzie
Impatiens walleriana
Greenhouse
5 Mar – 2 Apr
6 Apr
8-12 wk
28 May
1 Jun
2 wk after
Creeping zinnia
Sanvitalia procumbens
Season too short
19 Mar – 2 Apr
6-8 wk
14 May
0 wk
Hyacinth bean
Dolichos lablab
Season too short
28 Apr – 12 May
4-6 wk
9 Jun
4 wk after
Chinese lantern
Physalis alkekengi
12 – 26 Mar
6 Apr
8-10 wk
21 May
1 Jun
1 wk after
Love in a mist
Nigella damascena
13 May
23 Jun
0 wk
17 May
13 Jun
1 wk after
Strawflower
Xerochrysum bracteatum
Season too short
19 Mar – 2 Apr
6-8 wk
14 May
0 wk
23 Jun
6 wk after
Purple-top vervain
Verbena bonariensis
26 Feb – 26 Mar
6 Apr
8-12 wk
21 May
1 Jun
1 wk after
Cardoon
Cynara cardunculus
Greenhouse
19 Feb – 19 Mar
21 Mar
8-12 wk
14 May
16 May
0 wk
Regal-foxtail
Ptilotus nobilis
Season too short
5 Mar – 2 Apr
8-12 wk
28 May
2 wk after
Globe amaranth
Gomphrena globosa
Season too short
2 – 16 Apr
6-8 wk
28 May
2 wk after
Corn poppy
Papaver rhoeas
13 May
8 Jul
0 wk
17 May
28 Jun
1 wk after
Snapdragon
Antirrhinum majus
18 Feb – 18 Mar
3 May
8-12 wk
13 May
28 Jun
0 wk
29 May
18 Jun
2 wk after
Flossflower
Ageratum houstonianum
Season too short
19 Mar – 2 Apr
8-10 wk
28 May
2 wk after
Sweet pea
Lathyrus odoratus
18 Mar – 8 Apr
31 May
5-8 wk
13 May
5 Jul
0 wk
Stock
Matthiola incana
18 Mar – 1 Apr
27 May
6-8 wk
13 May
8 Jul
0 wk
3 Jun
28 Jun
3 wk after
Wormwood
Artemisia absinthium
18 Mar – 1 Apr
4 May
6-8 wk
13 May
15 Jun
0 wk
3 Jun
5 Jun
3 wk after
Mexican sunflower
Tithonia rotundifolia
Season too short
16 – 30 Apr
4-6 wk
28 May
2 wk after
Garden pansy
Viola × wittrockiana
4 – 18 Mar
20 May
8-10 wk
13 May
15 Jul
0 wk
29 May
5 Jul
2 wk after
Petunia
Petunia
Season too short
19 Feb – 19 Mar
22 Feb
8-12 wk
14 May
0 wk
Sweet Scabious
Scabiosa atropurpurea
26 Mar – 9 Apr
20 Apr
6-8 wk
21 May
1 Jun
1 wk after
1 Jul
7 wk after
Common zinnia
Zinnia elegans
Season too short
2 – 16 Apr
4-6 wk
14 May
0 wk
Common morning glory
Ipomoea purpurea
Season too short
23 Apr – 7 May
3-5 wk
28 May
2 wk after
Garden cosmos
Cosmos bipinnatus
Greenhouse
2 – 16 Apr
27 Apr
4-6 wk
14 May
25 May
0 wk
3 Jun
3 wk after
Scarlet milkweed
Asclepias curassavica
Season too short
17 Mar – 14 Apr
8-12 wk
9 Jun
4 wk after
Bee balm
Monarda didyma
18 Feb – 18 Mar
13 Apr
8-12 wk
13 May
8 Jun
0 wk
17 Jun
5 wk after
Yarrow
Achillea millefolium
18 Mar – 1 Apr
4 Apr
6-8 wk
13 May
16 May
0 wk
3 Jun
3 wk after
Safflower
Carthamus tinctorius
13 May
15 Jun
0 wk
17 May
5 Jun
1 wk after
Iceland poppy
Papaver nudicaule
Season too short
18 Mar – 1 Apr
24 May
6-8 wk
13 May
5 Jul
0 wk
25 Apr
25 Jun
3 wk before
Bishop's flower
Ammi majus
1 – 15 Apr
31 May
4-6 wk
13 May
28 Jun
0 wk
3 Jun
18 Jun
3 wk after
Drumsticks
Pycnosorus globosus
Season too short
5 – 19 Mar
10-12 wk
28 May
2 wk after
Sunflower
Helianthus annuus
12 – 19 May
22 May
3-4 wk
9 Jun
12 Jun
4 wk after
17 Jun
5 wk after
China aster
Callistephus chinensis
14 – 28 Apr
11 May
6-8 wk
9 Jun
22 Jun
4 wk after
1 Jul
7 wk after
Annual phlox
Phlox drummondii
Greenhouse
18 Mar – 1 Apr
18 Mar
6-8 wk
13 May
0 wk
3 Jun
3 wk after
Hollyhock
Alcea rosea
18 Mar – 1 Apr
6-8 wk
13 May
0 wk
3 Jun
3 wk after
Alpine delphinium
Delphinium elatum
18 Feb – 18 Mar
13 Apr
8-12 wk
13 May
8 Jun
0 wk
17 Jun
5 wk after
African marigold
Tagetes erecta
Season too short
19 Mar – 2 Apr
6-8 wk
14 May
0 wk
Black-eyed Susan
Rudbeckia hirta
26 Mar – 9 Apr
1 May
6-8 wk
21 May
12 Jun
1 wk after
1 Jul
7 wk after
Wood sage
Salvia nemorosa
4 – 18 Mar
3 Apr
8-10 wk
13 May
29 May
0 wk
17 Jun
5 wk after
Black-eyed susan vine
Thunbergia alata
Season too short
19 Mar – 16 Apr
6-10 wk
28 May
2 wk after
California goldenpoppy
Eschscholzia californica
13 May
3 Jul
0 wk
17 May
23 Jun
1 wk after
Painted tongue
Salpiglossis sinuata
Fleece
19 Mar – 2 Apr
26 Apr
8-10 wk
28 May
21 Jun
2 wk after
Water forget-me-not
Myosotis scorpioides
18 Mar – 1 Apr
4 May
6-8 wk
13 May
15 Jun
0 wk
3 Jun
5 Jun
3 wk after