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0.5°
Near frost tonight at 05:00. Bring in or cover sensitive plants
Method
Rel. frost
Last spring frost (0°C) 22 May Frost 1 of 10 years · 20 years of data
Frost-free season 139 days 22 May – 8 Oct
Probability that frost is over

90% = 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
19 Jun
5-7 wk
22 May
24 Jul
0 wk
16 May
14 Jul
1 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
10 – 24 Apr
1 Jul
4-6 wk
22 May
29 Jul
0 wk
16 May
19 Jul
1 wk before
Chili pepper
Capsicum annuum
Season too short
17 Mar – 14 Apr
8-12 wk
9 Jun
3 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
3 – 17 Apr
14 Jun
5-7 wk
22 May
19 Jul
0 wk
9 May
9 Jul
2 wk before
Garden cucumber
Cucumis sativus
Greenhouse
12 – 19 May
29 May
3-4 wk
9 Jun
19 Jun
3 wk after
Florence Fennel
Foeniculum vulgare
28 May – 4 Jun
11 Jun
4-5 wk
2 Jul
9 Jul
6 wk after
2 Jul
6 wk after
Butter bean
Phaseolus lunatus
Season too short
14 – 21 Jun
3-4 wk
12 Jul
7 wk after
Onion
Allium cepa (Cepa-gruppen)
27 Feb – 27 Mar
4 Apr
8-12 wk
22 May
30 May
0 wk
4 Jun
2 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
16 May
19 Jun
1 wk before
16 May
9 Jun
1 wk before
Maize
Zea mays
Greenhouse
24 Apr – 1 May
19 May
3-4 wk
22 May
9 Jun
0 wk
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
24 Apr – 1 May
8 Jul
3-4 wk
22 May
29 Jul
0 wk
4 Jun
19 Jul
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
22 May
9 Jul
0 wk
9 May
29 Jun
2 wk before
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
3 – 17 Apr
14 Jun
5-7 wk
22 May
19 Jul
0 wk
9 May
9 Jul
2 wk before
Potato
Solanum tuberosum
15 – 29 Apr
11 Jun
4-6 wk
27 May
9 Jul
1 wk after
27 May
29 Jun
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
3 – 17 Apr
24 Jun
5-7 wk
22 May
29 Jul
0 wk
16 May
19 Jul
1 wk before
Pumpkin
Cucurbita pepo
Fleece
21 – 28 May
3 Jun
3-4 wk
18 Jun
24 Jun
4 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
24 Apr – 1 May
30 Jun
3-4 wk
22 May
21 Jul
0 wk
4 Jun
11 Jul
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
10 – 24 Apr
26 Jun
4-6 wk
22 May
24 Jul
0 wk
Lettuce
Lactuca sativa
24 Apr – 1 May
13 Jul
3-4 wk
22 May
3 Aug
0 wk
16 May
24 Jul
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
10 – 24 Apr
26 Jun
4-6 wk
22 May
24 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
11 – 25 Apr
5 Jun
2-4 wk
9 May
19 Jun
2 wk before
9 May
9 Jun
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
16 May
19 Jun
1 wk before
16 May
9 Jun
1 wk before
Spinach
Spinacia oleracea
24 Apr – 1 May
28 Jul
3-4 wk
22 May
18 Aug
0 wk
2 May
8 Aug
3 wk before
Sweet potato
Ipomoea batatas
23 Jun – 7 Jul
4-6 wk
4 Aug
11 wk after
Garden tomato
Solanum lycopersicum
Greenhouse
27 Mar – 10 Apr
28 Apr
6-8 wk
22 May
9 Jun
0 wk
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Fleece
12 – 26 May
5 Jun
2-4 wk
9 Jun
19 Jun
3 wk after
17 Jun
4 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
10 – 24 Apr
26 Jun
4-6 wk
22 May
24 Jul
0 wk
Garden pea
Pisum sativum
24 Apr – 1 May
28 Jun
3-4 wk
22 May
19 Jul
0 wk
16 May
9 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
Fleece
7 – 21 May
12 May
4-6 wk
18 Jun
4 wk after
Lemon balm
Melissa officinalis
13 – 27 Mar
24 May
8-10 wk
22 May
19 Jul
0 wk
17 Jun
9 Jul
4 wk after
Dill
Anethum graveolens
16 May
29 Jul
1 wk before
Wild chives
Allium schoenoprasum
27 Mar – 10 Apr
7 Jun
6-8 wk
22 May
19 Jul
0 wk
16 May
9 Jul
1 wk before
Spearmint
Mentha spicata
27 Feb – 27 Mar
24 May
8-12 wk
22 May
19 Jul
0 wk
17 Jun
9 Jul
4 wk after
Coriander
Coriandrum sativum
22 May
18 Aug
0 wk
4 Jun
8 Aug
2 wk after
Garden sage
Salvia officinalis
13 – 27 Mar
9 May
8-10 wk
22 May
4 Jul
0 wk
Common thyme
Thymus vulgaris
13 – 27 Mar
14 May
8-10 wk
22 May
9 Jul
0 wk
Oregano
Origanum vulgare
27 Mar – 10 Apr
28 May
6-8 wk
22 May
9 Jul
0 wk
17 Jun
29 Jun
4 wk after
Parsley
Petroselinum crispum
27 Mar – 10 Apr
28 May
6-8 wk
22 May
9 Jul
0 wk
16 May
29 Jun
1 wk before
Rosemary
Salvia rosmarinus
13 Feb – 13 Mar
10 Apr
10-14 wk
22 May
19 Jun
0 wk

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