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0.4°
Last 24h: Near frost recorded tonight at 01:00. Inspect for frost damage
Method
Rel. frost
Last spring frost (0°C) 6 May Frost 3 of 4 years · 20 years of data
Frost-free season 137 days 6 May – 20 Sep
Probability that frost is over

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