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-0.7°
Last 24h: Slight frost recorded tonight at 05:00. Inspect for frost damage
Method
Rel. frost
Last spring frost (0°C) 6 May Frost 9 of 10 years · 20 years of data
Frost-free season 120 days 6 May – 3 Sep
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)
18 Mar – 1 Apr
14 Jun
5-7 wk
6 May
19 Jul
0 wk
10 May
9 Jul
1 wk after
Broccoli
Brassica oleracea (Italica-gruppen)
25 Mar – 8 Apr
26 Jun
4-6 wk
6 May
24 Jul
0 wk
10 May
14 Jul
1 wk after
Chili pepper
Capsicum annuum
Season too short
21 Feb – 21 Mar
8-12 wk
16 May
1 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
18 Mar – 1 Apr
9 Jun
5-7 wk
6 May
14 Jul
0 wk
6 May
4 Jul
0 wk
Garden cucumber
Cucumis sativus
Season too short
18 – 25 Apr
3-4 wk
16 May
1 wk after
Florence Fennel
Foeniculum vulgare
Fleece
21 – 28 Apr
25 May
4-5 wk
26 May
22 Jun
3 wk after
10 Jun
12 Jun
5 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
12 Mar
8-12 wk
6 May
7 May
0 wk
27 May
3 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
10 May
27 May
1 wk after
10 May
17 May
1 wk after
Maize
Zea mays
Season too short
10 – 17 Apr
3-4 wk
8 May
0 wk
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
13 – 20 Apr
21 Jun
3-4 wk
11 May
12 Jul
1 wk after
27 May
2 Jul
3 wk after
Carrot
Daucus carota subsp. sativus var. sativus
6 May
4 Jul
0 wk
6 May
24 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
18 Mar – 1 Apr
9 Jun
5-7 wk
6 May
14 Jul
0 wk
6 May
4 Jul
0 wk
Potato
Solanum tuberosum
10 – 24 Apr
11 May
4-6 wk
22 May
8 Jun
2 wk after
22 May
29 May
2 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
18 Mar – 1 Apr
19 Jun
5-7 wk
6 May
24 Jul
0 wk
10 May
14 Jul
1 wk after
Pumpkin
Cucurbita pepo
Season too short
18 – 25 Apr
3-4 wk
16 May
1 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
13 – 20 Apr
8 May
3-4 wk
11 May
29 May
1 wk after
27 May
3 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
25 Mar – 8 Apr
21 Jun
4-6 wk
6 May
19 Jul
0 wk
Lettuce
Lactuca sativa
8 – 15 Apr
8 Jul
3-4 wk
6 May
29 Jul
0 wk
10 May
19 Jul
1 wk after
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
25 Mar – 8 Apr
21 Jun
4-6 wk
6 May
19 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
8 – 22 Apr
15 May
2-4 wk
6 May
29 May
0 wk
6 May
19 May
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
10 May
27 May
1 wk after
10 May
17 May
1 wk after
Spinach
Spinacia oleracea
8 – 15 Apr
23 Jul
3-4 wk
6 May
13 Aug
0 wk
2 May
3 Aug
1 wk before
Sweet potato
Ipomoea batatas
7 – 21 Jun
4-6 wk
19 Jul
11 wk after
Garden tomato
Solanum lycopersicum
Season too short
13 – 27 Mar
6-8 wk
8 May
0 wk
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Season too short
10 – 24 Apr
2-4 wk
8 May
0 wk
27 May
3 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
25 Mar – 8 Apr
21 Jun
4-6 wk
6 May
19 Jul
0 wk
Garden pea
Pisum sativum
8 – 15 Apr
23 Jun
3-4 wk
6 May
14 Jul
0 wk
10 May
4 Jul
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
4 – 18 Apr
4-6 wk
16 May
1 wk after
Lemon balm
Melissa officinalis
25 Feb – 11 Mar
19 May
8-10 wk
6 May
14 Jul
0 wk
10 Jun
4 Jul
5 wk after
Dill
Anethum graveolens
10 May
12 Jul
1 wk after
Wild chives
Allium schoenoprasum
11 – 25 Mar
2 Jun
6-8 wk
6 May
14 Jul
0 wk
10 May
4 Jul
1 wk after
Spearmint
Mentha spicata
11 Feb – 11 Mar
19 May
8-12 wk
6 May
14 Jul
0 wk
10 Jun
4 Jul
5 wk after
Coriander
Coriandrum sativum
6 May
1 Aug
0 wk
27 May
22 Jul
3 wk after
Garden sage
Salvia officinalis
2 – 16 Mar
4 May
8-10 wk
11 May
29 Jun
1 wk after
Common thyme
Thymus vulgaris
25 Feb – 11 Mar
9 May
8-10 wk
6 May
4 Jul
0 wk
Oregano
Origanum vulgare
11 – 25 Mar
23 May
6-8 wk
6 May
4 Jul
0 wk
10 Jun
24 Jun
5 wk after
Parsley
Petroselinum crispum
11 – 25 Mar
23 May
6-8 wk
6 May
4 Jul
0 wk
10 May
24 Jun
1 wk after
Rosemary
Salvia rosmarinus
2 Feb – 2 Mar
18 Mar
10-14 wk
11 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
18 – 25 Apr
3-4 wk
16 May
1 wk after
Cornflower
Centaurea cyanus
6 May
14 Jul
0 wk
10 May
4 Jul
1 wk after
Statice
Limonium sinuatum
Greenhouse
27 Feb – 13 Mar
1 Apr
8-10 wk
8 May
27 May
0 wk
Sweet William
Dianthus barbatus
11 – 25 Mar
6-8 wk
6 May
0 wk
22 May
2 wk after
Snow-on-the-mountain
Euphorbia marginata
Greenhouse
13 – 27 Mar
15 Apr
6-8 wk
8 May
27 May
0 wk
16 Jun
6 wk after
Pinnate dahlia
Dahlia × pinnata
Greenhouse
11 – 25 Mar
16 Apr
6-8 wk
6 May
28 May
0 wk
Pinnate dahlia (tubers)
Dahlia × pinnata
Greenhouse
21 Mar – 18 Apr
30 Apr
4-8 wk
16 May
28 May
1 wk after
16 May
18 May
1 wk after
Foxglove
Digitalis purpurea
25 Feb – 11 Mar
8-10 wk
6 May
0 wk
27 May
3 wk after
Busy lizzie
Impatiens walleriana
Fleece
3 – 31 Mar
31 Mar
8-12 wk
26 May
26 May
3 wk after
Creeping zinnia
Sanvitalia procumbens
Greenhouse
13 – 27 Mar
25 Apr
6-8 wk
8 May
6 Jun
0 wk
Hyacinth bean
Dolichos lablab
Season too short
14 – 28 Apr
4-6 wk
26 May
3 wk after
Chinese lantern
Physalis alkekengi
2 – 16 Mar
7 Apr
8-10 wk
11 May
2 Jun
1 wk after
Love in a mist
Nigella damascena
6 May
29 Jun
0 wk
10 May
19 Jun
1 wk after
Strawflower
Xerochrysum bracteatum
Greenhouse
13 – 27 Mar
5 Apr
6-8 wk
8 May
17 May
0 wk
16 Jun
6 wk after
Purple-top vervain
Verbena bonariensis
16 Feb – 16 Mar
7 Apr
8-12 wk
11 May
2 Jun
1 wk after
Cardoon
Cynara cardunculus
Greenhouse
13 Feb – 13 Mar
20 Mar
8-12 wk
8 May
15 May
0 wk
Regal-foxtail
Ptilotus nobilis
Season too short
21 Feb – 21 Mar
8-12 wk
16 May
1 wk after
Globe amaranth
Gomphrena globosa
Season too short
21 Mar – 4 Apr
6-8 wk
16 May
1 wk after
Corn poppy
Papaver rhoeas
6 May
14 Jul
0 wk
10 May
4 Jul
1 wk after
Snapdragon
Antirrhinum majus
11 Feb – 11 Mar
9 May
8-12 wk
6 May
4 Jul
0 wk
22 May
24 Jun
2 wk after
Flossflower
Ageratum houstonianum
Greenhouse
7 – 21 Mar
11 Apr
8-10 wk
16 May
6 Jun
1 wk after
Sweet pea
Lathyrus odoratus
11 Mar – 1 Apr
30 May
5-8 wk
6 May
4 Jul
0 wk
Stock
Matthiola incana
11 – 25 Mar
2 Jun
6-8 wk
6 May
14 Jul
0 wk
27 May
4 Jul
3 wk after
Wormwood
Artemisia absinthium
11 – 25 Mar
3 May
6-8 wk
6 May
14 Jun
0 wk
27 May
4 Jun
3 wk after
Mexican sunflower
Tithonia rotundifolia
Season too short
4 – 18 Apr
4-6 wk
16 May
1 wk after
Garden pansy
Viola × wittrockiana
25 Feb – 11 Mar
19 May
8-10 wk
6 May
14 Jul
0 wk
22 May
4 Jul
2 wk after
Petunia
Petunia
Greenhouse
13 Feb – 13 Mar
1 Apr
8-12 wk
8 May
27 May
0 wk
Sweet Scabious
Scabiosa atropurpurea
16 – 30 Mar
21 Apr
6-8 wk
11 May
2 Jun
1 wk after
24 Jun
7 wk after
Common zinnia
Zinnia elegans
Greenhouse
27 Mar – 10 Apr
22 Apr
4-6 wk
8 May
20 May
0 wk
Common morning glory
Ipomoea purpurea
Season too short
11 – 25 Apr
3-5 wk
16 May
1 wk after
Garden cosmos
Cosmos bipinnatus
Greenhouse
27 Mar – 10 Apr
30 Apr
4-6 wk
8 May
28 May
0 wk
27 May
3 wk after
Scarlet milkweed
Asclepias curassavica
Season too short
3 – 31 Mar
5 Mar
8-12 wk
26 May
3 wk after
Bee balm
Monarda didyma
11 Feb – 11 Mar
19 Apr
8-12 wk
6 May
14 Jun
0 wk
10 Jun
5 wk after
Yarrow
Achillea millefolium
11 – 25 Mar
3 Apr
6-8 wk
6 May
15 May
0 wk
27 May
3 wk after
Safflower
Carthamus tinctorius
6 May
14 Jun
0 wk
10 May
4 Jun
1 wk after
Iceland poppy
Papaver nudicaule
Season too short
11 – 25 Mar
23 May
6-8 wk
6 May
4 Jul
0 wk
18 Apr
24 Jun
3 wk before
Bishop's flower
Ammi majus
25 Mar – 8 Apr
6 Jun
4-6 wk
6 May
4 Jul
0 wk
27 May
24 Jun
3 wk after
Drumsticks
Pycnosorus globosus
Season too short
21 Feb – 7 Mar
10-12 wk
16 May
1 wk after
Sunflower
Helianthus annuus
28 Apr – 5 May
26 May
3-4 wk
26 May
16 Jun
3 wk after
10 Jun
5 wk after
China aster
Callistephus chinensis
31 Mar – 14 Apr
15 May
6-8 wk
26 May
26 Jun
3 wk after
24 Jun
7 wk after
Annual phlox
Phlox drummondii
Greenhouse
11 – 25 Mar
25 Apr
6-8 wk
6 May
6 Jun
0 wk
27 May
27 May
3 wk after
Hollyhock
Alcea rosea
11 – 25 Mar
6-8 wk
6 May
0 wk
27 May
3 wk after
Alpine delphinium
Delphinium elatum
11 Feb – 11 Mar
19 Apr
8-12 wk
6 May
14 Jun
0 wk
10 Jun
5 wk after
African marigold
Tagetes erecta
Greenhouse
13 – 27 Mar
25 Apr
6-8 wk
8 May
6 Jun
0 wk
Black-eyed Susan
Rudbeckia hirta
16 – 30 Mar
5 May
6-8 wk
11 May
16 Jun
1 wk after
24 Jun
7 wk after
Wood sage
Salvia nemorosa
25 Feb – 11 Mar
9 Apr
8-10 wk
6 May
4 Jun
0 wk
10 Jun
5 wk after
Black-eyed susan vine
Thunbergia alata
Season too short
7 Mar – 4 Apr
6-10 wk
16 May
1 wk after
California goldenpoppy
Eschscholzia californica
6 May
13 Jul
0 wk
10 May
3 Jul
1 wk after
Painted tongue
Salpiglossis sinuata
17 – 31 Mar
16 Apr
8-10 wk
26 May
11 Jun
3 wk after
Water forget-me-not
Myosotis scorpioides
11 – 25 Mar
3 May
6-8 wk
6 May
14 Jun
0 wk
27 May
4 Jun
3 wk after