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-0.2°
Last 24h: Slight frost recorded tonight at 01:00. Inspect for frost damage
Method
Rel. frost
Last spring frost (0°C) 7 May Frost 9 of 10 years · 20 years of data
Frost-free season 103 days 7 May – 18 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)
19 Mar – 2 Apr
12 Jun
5-7 wk
7 May
17 Jul
0 wk
8 May
7 Jul
0 wk
Broccoli
Brassica oleracea (Italica-gruppen)
26 Mar – 9 Apr
24 Jun
4-6 wk
7 May
22 Jul
0 wk
8 May
12 Jul
0 wk
Chili pepper
Capsicum annuum
Season too short
23 Feb – 23 Mar
8-12 wk
18 May
2 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
19 Mar – 2 Apr
7 Jun
5-7 wk
7 May
12 Jul
0 wk
7 May
2 Jul
0 wk
Garden cucumber
Cucumis sativus
Season too short
20 – 27 Apr
3-4 wk
18 May
2 wk after
Florence Fennel
Foeniculum vulgare
Fleece
22 – 29 Apr
19 May
4-5 wk
27 May
16 Jun
3 wk after
1 Jun
6 Jun
4 wk after
Butter bean
Phaseolus lunatus
Season too short
20 – 27 May
3-4 wk
17 Jun
6 wk after
Onion
Allium cepa (Cepa-gruppen)
12 Feb – 12 Mar
15 Mar
8-12 wk
7 May
10 May
0 wk
20 May
2 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
8 May
30 May
0 wk
8 May
20 May
0 wk
Maize
Zea mays
Season too short
13 – 20 Apr
3-4 wk
11 May
1 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
15 – 22 Apr
15 Jun
3-4 wk
13 May
6 Jul
1 wk after
20 May
26 Jun
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
7 May
2 Jul
0 wk
7 May
22 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
19 Mar – 2 Apr
7 Jun
5-7 wk
7 May
12 Jul
0 wk
7 May
2 Jul
0 wk
Potato
Solanum tuberosum
5 – 19 Apr
12 May
4-6 wk
17 May
9 Jun
1 wk after
17 May
30 May
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
19 Mar – 2 Apr
17 Jun
5-7 wk
7 May
22 Jul
0 wk
8 May
12 Jul
0 wk
Pumpkin
Cucurbita pepo
Season too short
20 – 27 Apr
3-4 wk
18 May
2 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
15 – 22 Apr
18 May
3-4 wk
13 May
8 Jun
1 wk after
20 May
29 May
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
26 Mar – 9 Apr
19 Jun
4-6 wk
7 May
17 Jul
0 wk
Lettuce
Lactuca sativa
9 – 16 Apr
6 Jul
3-4 wk
7 May
27 Jul
0 wk
8 May
17 Jul
0 wk
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
26 Mar – 9 Apr
19 Jun
4-6 wk
7 May
17 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
9 – 23 Apr
22 May
2-4 wk
7 May
5 Jun
0 wk
7 May
26 May
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
8 May
30 May
0 wk
8 May
20 May
0 wk
Spinach
Spinacia oleracea
9 – 16 Apr
21 Jul
3-4 wk
7 May
11 Aug
0 wk
4 May
1 Aug
0 wk
Sweet potato
Ipomoea batatas
1 – 15 Jun
4-6 wk
13 Jul
10 wk after
Garden tomato
Solanum lycopersicum
Season too short
16 – 30 Mar
6-8 wk
11 May
1 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Season too short
13 – 27 Apr
2-4 wk
11 May
1 wk after
20 May
2 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
26 Mar – 9 Apr
19 Jun
4-6 wk
7 May
17 Jul
0 wk
Garden pea
Pisum sativum
9 – 16 Apr
21 Jun
3-4 wk
7 May
12 Jul
0 wk
8 May
2 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
Season too short
6 – 20 Apr
4-6 wk
18 May
2 wk after
Lemon balm
Melissa officinalis
26 Feb – 12 Mar
17 May
8-10 wk
7 May
12 Jul
0 wk
1 Jun
2 Jul
4 wk after
Dill
Anethum graveolens
8 May
6 Jul
0 wk
Wild chives
Allium schoenoprasum
12 – 26 Mar
31 May
6-8 wk
7 May
12 Jul
0 wk
8 May
2 Jul
0 wk
Spearmint
Mentha spicata
12 Feb – 12 Mar
17 May
8-12 wk
7 May
12 Jul
0 wk
1 Jun
2 Jul
4 wk after
Coriander
Coriandrum sativum
7 May
26 Jul
0 wk
20 May
16 Jul
2 wk after
Garden sage
Salvia officinalis
4 – 18 Mar
2 May
8-10 wk
13 May
27 Jun
1 wk after
Common thyme
Thymus vulgaris
26 Feb – 12 Mar
7 May
8-10 wk
7 May
2 Jul
0 wk
Oregano
Origanum vulgare
12 – 26 Mar
21 May
6-8 wk
7 May
2 Jul
0 wk
1 Jun
22 Jun
4 wk after
Parsley
Petroselinum crispum
12 – 26 Mar
21 May
6-8 wk
7 May
2 Jul
0 wk
8 May
22 Jun
0 wk
Rosemary
Salvia rosmarinus
4 Feb – 4 Mar
12 Mar
10-14 wk
13 May
21 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
Season too short
20 – 27 Apr
3-4 wk
18 May
2 wk after
Cornflower
Centaurea cyanus
7 May
12 Jul
0 wk
8 May
2 Jul
0 wk
Statice
Limonium sinuatum
Greenhouse
2 – 16 Mar
11 Mar
8-10 wk
11 May
1 wk after
Sweet William
Dianthus barbatus
12 – 26 Mar
6-8 wk
7 May
0 wk
17 May
1 wk after
Snow-on-the-mountain
Euphorbia marginata
Greenhouse
16 – 30 Mar
25 Mar
6-8 wk
11 May
1 wk after
8 Jun
5 wk after
Pinnate dahlia
Dahlia × pinnata
Greenhouse
12 – 26 Mar
31 Mar
6-8 wk
7 May
12 May
0 wk
Pinnate dahlia (tubers)
Dahlia × pinnata
Fleece
25 Mar – 22 Apr
6 Apr
4-8 wk
20 May
2 wk after
20 May
2 wk after
Foxglove
Digitalis purpurea
26 Feb – 12 Mar
8-10 wk
7 May
0 wk
20 May
2 wk after
Busy lizzie
Impatiens walleriana
Greenhouse
23 Feb – 23 Mar
4 May
8-12 wk
18 May
29 Jun
2 wk after
Creeping zinnia
Sanvitalia procumbens
Greenhouse
16 – 30 Mar
4 Apr
6-8 wk
11 May
16 May
1 wk after
Hyacinth bean
Dolichos lablab
Season too short
15 – 29 Apr
4-6 wk
27 May
3 wk after
Chinese lantern
Physalis alkekengi
4 – 18 Mar
1 Apr
8-10 wk
13 May
27 May
1 wk after
Love in a mist
Nigella damascena
7 May
27 Jun
0 wk
8 May
17 Jun
0 wk
Strawflower
Xerochrysum bracteatum
Season too short
16 – 30 Mar
6-8 wk
11 May
1 wk after
8 Jun
5 wk after
Purple-top vervain
Verbena bonariensis
18 Feb – 18 Mar
1 Apr
8-12 wk
13 May
27 May
1 wk after
Cardoon
Cynara cardunculus
Greenhouse
16 Feb – 16 Mar
18 Mar
8-12 wk
11 May
13 May
1 wk after
Regal-foxtail
Ptilotus nobilis
Season too short
23 Feb – 23 Mar
8-12 wk
18 May
2 wk after
Globe amaranth
Gomphrena globosa
Season too short
23 Mar – 6 Apr
6-8 wk
18 May
2 wk after
Corn poppy
Papaver rhoeas
7 May
12 Jul
0 wk
8 May
2 Jul
0 wk
Snapdragon
Antirrhinum majus
12 Feb – 12 Mar
7 May
8-12 wk
7 May
2 Jul
0 wk
17 May
22 Jun
1 wk after
Flossflower
Ageratum houstonianum
Season too short
9 – 23 Mar
21 Mar
8-10 wk
18 May
2 wk after
Sweet pea
Lathyrus odoratus
12 Mar – 2 Apr
28 May
5-8 wk
7 May
2 Jul
0 wk
Stock
Matthiola incana
12 – 26 Mar
31 May
6-8 wk
7 May
12 Jul
0 wk
20 May
2 Jul
2 wk after
Wormwood
Artemisia absinthium
12 – 26 Mar
1 May
6-8 wk
7 May
12 Jun
0 wk
20 May
2 Jun
2 wk after
Mexican sunflower
Tithonia rotundifolia
Season too short
6 – 20 Apr
4-6 wk
18 May
2 wk after
Garden pansy
Viola × wittrockiana
26 Feb – 12 Mar
17 May
8-10 wk
7 May
12 Jul
0 wk
17 May
2 Jul
1 wk after
Petunia
Petunia
Greenhouse
16 Feb – 16 Mar
11 Mar
8-12 wk
11 May
1 wk after
Sweet Scabious
Scabiosa atropurpurea
18 Mar – 1 Apr
15 Apr
6-8 wk
13 May
27 May
1 wk after
19 Jun
6 wk after
Common zinnia
Zinnia elegans
Greenhouse
30 Mar – 13 Apr
16 Apr
4-6 wk
11 May
14 May
1 wk after
Common morning glory
Ipomoea purpurea
Season too short
13 – 27 Apr
3-5 wk
18 May
2 wk after
Garden cosmos
Cosmos bipinnatus
Greenhouse
30 Mar – 13 Apr
14 Apr
4-6 wk
11 May
12 May
1 wk after
20 May
2 wk after
Scarlet milkweed
Asclepias curassavica
Season too short
4 Mar – 1 Apr
6 Mar
8-12 wk
27 May
3 wk after
Bee balm
Monarda didyma
12 Feb – 12 Mar
17 Apr
8-12 wk
7 May
12 Jun
0 wk
1 Jun
2 Jun
4 wk after
Yarrow
Achillea millefolium
12 – 26 Mar
1 Apr
6-8 wk
7 May
13 May
0 wk
20 May
2 wk after
Safflower
Carthamus tinctorius
7 May
12 Jun
0 wk
8 May
2 Jun
0 wk
Iceland poppy
Papaver nudicaule
Season too short
12 – 26 Mar
21 May
6-8 wk
7 May
2 Jul
0 wk
21 Apr
22 Jun
2 wk before
Bishop's flower
Ammi majus
26 Mar – 9 Apr
4 Jun
4-6 wk
7 May
2 Jul
0 wk
20 May
22 Jun
2 wk after
Drumsticks
Pycnosorus globosus
Season too short
23 Feb – 9 Mar
10-12 wk
18 May
2 wk after
Sunflower
Helianthus annuus
29 Apr – 6 May
20 May
3-4 wk
27 May
10 Jun
3 wk after
1 Jun
4 wk after
China aster
Callistephus chinensis
1 – 15 Apr
9 May
6-8 wk
27 May
20 Jun
3 wk after
19 Jun
6 wk after
Annual phlox
Phlox drummondii
Greenhouse
12 – 26 Mar
4 Apr
6-8 wk
7 May
16 May
0 wk
20 May
2 wk after
Hollyhock
Alcea rosea
12 – 26 Mar
6-8 wk
7 May
0 wk
20 May
2 wk after
Alpine delphinium
Delphinium elatum
12 Feb – 12 Mar
17 Apr
8-12 wk
7 May
12 Jun
0 wk
1 Jun
2 Jun
4 wk after
African marigold
Tagetes erecta
Greenhouse
16 – 30 Mar
4 Apr
6-8 wk
11 May
16 May
1 wk after
Black-eyed Susan
Rudbeckia hirta
18 Mar – 1 Apr
29 Apr
6-8 wk
13 May
10 Jun
1 wk after
19 Jun
6 wk after
Wood sage
Salvia nemorosa
26 Feb – 12 Mar
7 Apr
8-10 wk
7 May
2 Jun
0 wk
1 Jun
4 wk after
Black-eyed susan vine
Thunbergia alata
Season too short
9 Mar – 6 Apr
6-10 wk
18 May
2 wk after
California goldenpoppy
Eschscholzia californica
7 May
5 Jul
0 wk
8 May
25 Jun
0 wk
Painted tongue
Salpiglossis sinuata
Fleece
9 – 23 Mar
21 Apr
8-10 wk
18 May
16 Jun
2 wk after
Water forget-me-not
Myosotis scorpioides
12 – 26 Mar
1 May
6-8 wk
7 May
12 Jun
0 wk
20 May
2 Jun
2 wk after