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-0.2°
Last 24h: Slight frost recorded tonight at 05:00. 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 112 days 8 May – 28 Aug
Probability that frost is over

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