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0.3°
Last 24h: Near frost recorded tonight at 05:00. Inspect for frost damage
Method
Rel. frost
Last spring frost (0°C) 15 May Frost 9 of 10 years · 20 years of data
Frost-free season 111 days 15 May – 3 Sep
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
14 Jun
5-7 wk
15 May
19 Jul
0 wk
19 May
9 Jul
1 wk after
Broccoli
Brassica oleracea (Italica-gruppen)
3 – 17 Apr
26 Jun
4-6 wk
15 May
24 Jul
0 wk
19 May
14 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
9 Jun
5-7 wk
15 May
14 Jul
0 wk
15 May
4 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
15 Mar
8-12 wk
15 May
0 wk
5 Jun
3 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
19 May
30 May
1 wk after
19 May
20 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
29 Jun
0 wk
15 May
19 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
27 Mar – 10 Apr
9 Jun
5-7 wk
15 May
14 Jul
0 wk
15 May
4 Jul
0 wk
Potato
Solanum tuberosum
19 Apr – 3 May
15 May
4-6 wk
31 May
12 Jun
2 wk after
31 May
2 Jun
2 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
27 Mar – 10 Apr
14 Jun
5-7 wk
15 May
19 Jul
0 wk
19 May
9 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
20 May
3-4 wk
23 May
10 Jun
1 wk after
5 Jun
3 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
3 – 17 Apr
21 Jun
4-6 wk
15 May
19 Jul
0 wk
Lettuce
Lactuca sativa
17 – 24 Apr
3 Jul
3-4 wk
15 May
24 Jul
0 wk
19 May
14 Jul
1 wk after
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
3 – 17 Apr
21 Jun
4-6 wk
15 May
19 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
17 Apr – 1 May
24 May
2-4 wk
15 May
7 Jun
0 wk
15 May
28 May
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
19 May
30 May
1 wk after
19 May
20 May
1 wk after
Spinach
Spinacia oleracea
17 – 24 Apr
23 Jul
3-4 wk
15 May
13 Aug
0 wk
11 May
3 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
21 Jun
4-6 wk
15 May
19 Jul
0 wk
Garden pea
Pisum sativum
17 – 24 Apr
18 Jun
3-4 wk
15 May
9 Jul
0 wk
19 May
29 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
14 May
8-10 wk
15 May
9 Jul
0 wk
19 Jun
29 Jun
5 wk after
Dill
Anethum graveolens
19 May
6 Jul
1 wk after
Wild chives
Allium schoenoprasum
20 Mar – 3 Apr
2 Jun
6-8 wk
15 May
14 Jul
0 wk
19 May
4 Jul
1 wk after
Spearmint
Mentha spicata
20 Feb – 20 Mar
19 May
8-12 wk
15 May
14 Jul
0 wk
19 Jun
4 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
4 May
8-10 wk
23 May
29 Jun
1 wk after
Common thyme
Thymus vulgaris
6 – 20 Mar
9 May
8-10 wk
15 May
4 Jul
0 wk
Oregano
Origanum vulgare
20 Mar – 3 Apr
23 May
6-8 wk
15 May
4 Jul
0 wk
19 Jun
24 Jun
5 wk after
Parsley
Petroselinum crispum
20 Mar – 3 Apr
23 May
6-8 wk
15 May
4 Jul
0 wk
19 May
24 Jun
1 wk after
Rosemary
Salvia rosmarinus
14 Feb – 14 Mar
18 Mar
10-14 wk
23 May
27 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
2 – 9 May
3-4 wk
30 May
2 wk after
Cornflower
Centaurea cyanus
15 May
14 Jul
0 wk
19 May
4 Jul
1 wk after
Statice
Limonium sinuatum
Greenhouse
7 – 21 Mar
29 Mar
8-10 wk
16 May
24 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
Greenhouse
21 Mar – 4 Apr
12 Apr
6-8 wk
16 May
24 May
0 wk
25 Jun
6 wk after
Pinnate dahlia
Dahlia × pinnata
Fleece
28 Mar – 11 Apr
3 Apr
6-8 wk
23 May
1 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
Fleece
10 Apr – 8 May
17 Apr
4-8 wk
5 Jun
3 wk after
5 Jun
3 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
15 May
8-12 wk
30 May
10 Jul
2 wk after
Creeping zinnia
Sanvitalia procumbens
Greenhouse
21 Mar – 4 Apr
22 Apr
6-8 wk
16 May
3 Jun
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
24 Jun
0 wk
19 May
14 Jun
1 wk after
Strawflower
Xerochrysum bracteatum
Greenhouse
21 Mar – 4 Apr
2 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
20 Mar
8-12 wk
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
9 Jul
0 wk
19 May
29 Jun
1 wk after
Snapdragon
Antirrhinum majus
20 Feb – 20 Mar
4 May
8-12 wk
15 May
29 Jun
0 wk
31 May
19 Jun
2 wk after
Flossflower
Ageratum houstonianum
Greenhouse
21 Mar – 4 Apr
8 Apr
8-10 wk
30 May
3 Jun
2 wk after
Sweet pea
Lathyrus odoratus
20 Mar – 10 Apr
30 May
5-8 wk
15 May
4 Jul
0 wk
Stock
Matthiola incana
20 Mar – 3 Apr
28 May
6-8 wk
15 May
9 Jul
0 wk
5 Jun
29 Jun
3 wk after
Wormwood
Artemisia absinthium
20 Mar – 3 Apr
3 May
6-8 wk
15 May
14 Jun
0 wk
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
19 May
8-10 wk
15 May
14 Jul
0 wk
31 May
4 Jul
2 wk after
Petunia
Petunia
Greenhouse
21 Feb – 21 Mar
29 Mar
8-12 wk
16 May
24 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
Greenhouse
4 – 18 Apr
27 Apr
4-6 wk
16 May
25 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
30 Apr
4-6 wk
16 May
28 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
14 Apr
8-12 wk
15 May
9 Jun
0 wk
19 Jun
5 wk after
Yarrow
Achillea millefolium
20 Mar – 3 Apr
3 Apr
6-8 wk
15 May
15 May
0 wk
5 Jun
3 wk after
Safflower
Carthamus tinctorius
15 May
14 Jun
0 wk
19 May
4 Jun
1 wk after
Iceland poppy
Papaver nudicaule
Season too short
20 Mar – 3 Apr
23 May
6-8 wk
15 May
4 Jul
0 wk
27 Apr
24 Jun
3 wk before
Bishop's flower
Ammi majus
3 – 17 Apr
1 Jun
4-6 wk
15 May
29 Jun
0 wk
5 Jun
19 Jun
3 wk after
Drumsticks
Pycnosorus globosus
Season too short
7 – 21 Mar
10-12 wk
30 May
2 wk after
Sunflower
Helianthus annuus
14 – 21 May
26 May
3-4 wk
11 Jun
16 Jun
4 wk after
19 Jun
5 wk after
China aster
Callistephus chinensis
16 – 30 Apr
15 May
6-8 wk
11 Jun
26 Jun
4 wk after
3 Jul
7 wk after
Annual phlox
Phlox drummondii
Greenhouse
20 Mar – 3 Apr
22 Apr
6-8 wk
15 May
3 Jun
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
14 Apr
8-12 wk
15 May
9 Jun
0 wk
19 Jun
5 wk after
African marigold
Tagetes erecta
Greenhouse
21 Mar – 4 Apr
22 Apr
6-8 wk
16 May
3 Jun
0 wk
Black-eyed Susan
Rudbeckia hirta
28 Mar – 11 Apr
5 May
6-8 wk
23 May
16 Jun
1 wk after
3 Jul
7 wk after
Wood sage
Salvia nemorosa
6 – 20 Mar
4 Apr
8-10 wk
15 May
30 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
1 Jul
0 wk
19 May
21 Jun
1 wk after
Painted tongue
Salpiglossis sinuata
2 – 16 Apr
14 Apr
8-10 wk
11 Jun
4 wk after
Water forget-me-not
Myosotis scorpioides
20 Mar – 3 Apr
3 May
6-8 wk
15 May
14 Jun
0 wk
5 Jun
3 wk after