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0.7°
Near frost tomorrow at 23:00. Bring in or cover sensitive plants
Method
Rel. frost
Last spring frost (0°C) 15 May Frost 9 of 10 years · 20 years of data
Frost-free season 104 days 15 May – 27 Aug
Probability that frost is over

10% = Half of years are frost-free by this date. More about frost & season →

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