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0.9°
Near frost tomorrow at 23:00. Bring in or cover sensitive plants
Method
Rel. frost
Last spring frost (0°C) 13 May Frost 3 of 4 years · 20 years of data
Frost-free season 125 days 13 May – 15 Sep
Probability that frost is over

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