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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) 22 May Frost 3 of 4 years · 20 years of data
Frost-free season 103 days 22 May – 2 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)
3 – 17 Apr
13 Jun
5-7 wk
22 May
18 Jul
0 wk
23 May
8 Jul
0 wk
Broccoli
Brassica oleracea (Italica-gruppen)
10 – 24 Apr
25 Jun
4-6 wk
22 May
23 Jul
0 wk
23 May
13 Jul
0 wk
Chili pepper
Capsicum annuum
Season too short
10 Mar – 7 Apr
16 Mar
8-12 wk
2 Jun
2 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
3 – 17 Apr
8 Jun
5-7 wk
22 May
13 Jul
0 wk
22 May
3 Jul
0 wk
Garden cucumber
Cucumis sativus
Greenhouse
5 – 12 May
29 May
3-4 wk
2 Jun
19 Jun
2 wk after
Florence Fennel
Foeniculum vulgare
Fleece
7 – 14 May
25 May
4-5 wk
11 Jun
22 Jun
3 wk after
16 Jun
4 wk after
Butter bean
Phaseolus lunatus
Season too short
4 – 11 Jun
3-4 wk
2 Jul
6 wk after
Onion
Allium cepa (Cepa-gruppen)
Fleece
27 Feb – 27 Mar
18 Mar
8-12 wk
22 May
0 wk
28 May
1 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
23 May
25 May
0 wk
23 May
0 wk
Maize
Zea mays
Greenhouse
28 Apr – 5 May
19 May
3-4 wk
26 May
9 Jun
1 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
30 Apr – 7 May
21 Jun
3-4 wk
28 May
12 Jul
1 wk after
4 Jun
2 Jul
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
22 May
1 Jul
0 wk
22 May
21 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
3 – 17 Apr
8 Jun
5-7 wk
22 May
13 Jul
0 wk
22 May
3 Jul
0 wk
Potato
Solanum tuberosum
20 Apr – 4 May
7 May
4-6 wk
1 Jun
4 Jun
1 wk after
1 Jun
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
3 – 17 Apr
16 Jun
5-7 wk
22 May
21 Jul
0 wk
23 May
11 Jul
0 wk
Pumpkin
Cucurbita pepo
Fleece
14 – 21 May
3 Jun
3-4 wk
11 Jun
24 Jun
3 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
30 Apr – 7 May
8 May
3-4 wk
28 May
29 May
1 wk after
4 Jun
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
10 – 24 Apr
20 Jun
4-6 wk
22 May
18 Jul
0 wk
Lettuce
Lactuca sativa
24 Apr – 1 May
5 Jul
3-4 wk
22 May
26 Jul
0 wk
23 May
16 Jul
0 wk
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
10 – 24 Apr
20 Jun
4-6 wk
22 May
18 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
24 Apr – 8 May
16 May
2-4 wk
22 May
30 May
0 wk
22 May
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
23 May
25 May
0 wk
23 May
0 wk
Spinach
Spinacia oleracea
24 Apr – 1 May
22 Jul
3-4 wk
22 May
12 Aug
0 wk
19 May
2 Aug
0 wk
Sweet potato
Ipomoea batatas
16 – 30 Jun
4-6 wk
28 Jul
10 wk after
Garden tomato
Solanum lycopersicum
Greenhouse
31 Mar – 14 Apr
28 Apr
6-8 wk
26 May
9 Jun
1 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Fleece
5 – 19 May
5 Jun
2-4 wk
2 Jun
19 Jun
2 wk after
16 Jun
4 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
10 – 24 Apr
20 Jun
4-6 wk
22 May
18 Jul
0 wk
Garden pea
Pisum sativum
24 Apr – 1 May
20 Jun
3-4 wk
22 May
11 Jul
0 wk
23 May
1 Jul
0 wk

Herbs

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