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Last 24h: Near frost recorded tonight at 01:00. Inspect for frost damage
Method
Rel. frost
Last spring frost (0°C) 8 May Frost 9 of 10 years · 20 years of data
Frost-free season 114 days 8 May – 30 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)
20 Mar – 3 Apr
12 Jun
5-7 wk
8 May
17 Jul
0 wk
9 May
7 Jul
0 wk
Broccoli
Brassica oleracea (Italica-gruppen)
27 Mar – 10 Apr
24 Jun
4-6 wk
8 May
22 Jul
0 wk
9 May
12 Jul
0 wk
Chili pepper
Capsicum annuum
Season too short
24 Feb – 24 Mar
8-12 wk
19 May
2 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
20 Mar – 3 Apr
7 Jun
5-7 wk
8 May
12 Jul
0 wk
8 May
2 Jul
0 wk
Garden cucumber
Cucumis sativus
Season too short
21 – 28 Apr
3-4 wk
19 May
2 wk after
Florence Fennel
Foeniculum vulgare
Fleece
23 – 30 Apr
15 May
4-5 wk
28 May
12 Jun
3 wk after
2 Jun
2 Jun
4 wk after
Butter bean
Phaseolus lunatus
Season too short
21 – 28 May
3-4 wk
18 Jun
6 wk after
Onion
Allium cepa (Cepa-gruppen)
13 Feb – 13 Mar
15 Mar
8-12 wk
8 May
10 May
0 wk
21 May
2 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
9 May
30 May
0 wk
9 May
20 May
0 wk
Maize
Zea mays
Season too short
14 – 21 Apr
3-4 wk
12 May
1 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
16 – 23 Apr
11 Jun
3-4 wk
14 May
2 Jul
1 wk after
21 May
22 Jun
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
8 May
29 Jun
0 wk
8 May
19 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
20 Mar – 3 Apr
7 Jun
5-7 wk
8 May
12 Jul
0 wk
8 May
2 Jul
0 wk
Potato
Solanum tuberosum
6 – 20 Apr
12 May
4-6 wk
18 May
9 Jun
1 wk after
18 May
30 May
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
20 Mar – 3 Apr
14 Jun
5-7 wk
8 May
19 Jul
0 wk
9 May
9 Jul
0 wk
Pumpkin
Cucurbita pepo
Season too short
21 – 28 Apr
3-4 wk
19 May
2 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
16 – 23 Apr
18 May
3-4 wk
14 May
8 Jun
1 wk after
21 May
29 May
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
27 Mar – 10 Apr
19 Jun
4-6 wk
8 May
17 Jul
0 wk
Lettuce
Lactuca sativa
10 – 17 Apr
3 Jul
3-4 wk
8 May
24 Jul
0 wk
9 May
14 Jul
0 wk
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
27 Mar – 10 Apr
19 Jun
4-6 wk
8 May
17 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
10 – 24 Apr
19 May
2-4 wk
8 May
2 Jun
0 wk
8 May
23 May
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
9 May
30 May
0 wk
9 May
20 May
0 wk
Spinach
Spinacia oleracea
10 – 17 Apr
21 Jul
3-4 wk
8 May
11 Aug
0 wk
5 May
1 Aug
0 wk
Sweet potato
Ipomoea batatas
2 – 16 Jun
4-6 wk
14 Jul
10 wk after
Garden tomato
Solanum lycopersicum
Season too short
17 – 31 Mar
6-8 wk
12 May
1 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Season too short
14 – 28 Apr
2-4 wk
12 May
1 wk after
21 May
2 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
27 Mar – 10 Apr
19 Jun
4-6 wk
8 May
17 Jul
0 wk
Garden pea
Pisum sativum
10 – 17 Apr
18 Jun
3-4 wk
8 May
9 Jul
0 wk
9 May
29 Jun
0 wk

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