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0.9°
Near frost tomorrow at 23:00. Bring in or cover sensitive plants
Method
Rel. frost
Last spring frost (0°C) 18 May Frost 3 of 4 years · 20 years of data
Frost-free season 112 days 18 May – 7 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)
30 Mar – 13 Apr
14 Jun
5-7 wk
18 May
19 Jul
0 wk
22 May
9 Jul
1 wk after
Broccoli
Brassica oleracea (Italica-gruppen)
6 – 20 Apr
26 Jun
4-6 wk
18 May
24 Jul
0 wk
22 May
14 Jul
1 wk after
Chili pepper
Capsicum annuum
Season too short
10 Mar – 7 Apr
22 Mar
8-12 wk
2 Jun
2 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
30 Mar – 13 Apr
9 Jun
5-7 wk
18 May
14 Jul
0 wk
18 May
4 Jul
0 wk
Garden cucumber
Cucumis sativus
Greenhouse
5 – 12 May
27 May
3-4 wk
2 Jun
17 Jun
2 wk after
Florence Fennel
Foeniculum vulgare
26 May – 2 Jun
4-5 wk
30 Jun
6 wk after
6 Jul
7 wk after
Butter bean
Phaseolus lunatus
Season too short
7 – 14 Jun
3-4 wk
5 Jul
7 wk after
Onion
Allium cepa (Cepa-gruppen)
23 Feb – 23 Mar
14 Mar
8-12 wk
18 May
0 wk
8 Jun
3 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
22 May
29 May
1 wk after
22 May
1 wk after
Maize
Zea mays
Fleece
5 – 12 May
6 May
3-4 wk
2 Jun
2 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
28 Apr – 5 May
24 Jun
3-4 wk
26 May
15 Jul
1 wk after
8 Jun
5 Jul
3 wk after
Carrot
Daucus carota subsp. sativus var. sativus
18 May
4 Jul
0 wk
18 May
24 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
30 Mar – 13 Apr
9 Jun
5-7 wk
18 May
14 Jul
0 wk
18 May
4 Jul
0 wk
Potato
Solanum tuberosum
22 Apr – 6 May
12 May
4-6 wk
3 Jun
9 Jun
2 wk after
3 Jun
2 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
30 Mar – 13 Apr
19 Jun
5-7 wk
18 May
24 Jul
0 wk
22 May
14 Jul
1 wk after
Pumpkin
Cucurbita pepo
Fleece
17 – 24 May
1 Jun
3-4 wk
14 Jun
22 Jun
4 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
28 Apr – 5 May
17 May
3-4 wk
26 May
7 Jun
1 wk after
8 Jun
3 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
6 – 20 Apr
21 Jun
4-6 wk
18 May
19 Jul
0 wk
Lettuce
Lactuca sativa
20 – 27 Apr
8 Jul
3-4 wk
18 May
29 Jul
0 wk
22 May
19 Jul
1 wk after
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
6 – 20 Apr
21 Jun
4-6 wk
18 May
19 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
20 Apr – 4 May
19 May
2-4 wk
18 May
2 Jun
0 wk
18 May
23 May
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
22 May
29 May
1 wk after
22 May
1 wk after
Spinach
Spinacia oleracea
20 – 27 Apr
23 Jul
3-4 wk
18 May
13 Aug
0 wk
14 May
3 Aug
1 wk before
Sweet potato
Ipomoea batatas
19 Jun – 3 Jul
4-6 wk
31 Jul
11 wk after
Garden tomato
Solanum lycopersicum
Fleece
7 – 21 Apr
15 Apr
6-8 wk
2 Jun
2 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Fleece
5 – 19 May
3 Jun
2-4 wk
2 Jun
17 Jun
2 wk after
22 Jun
5 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
6 – 20 Apr
21 Jun
4-6 wk
18 May
19 Jul
0 wk
Garden pea
Pisum sativum
20 – 27 Apr
23 Jun
3-4 wk
18 May
14 Jul
0 wk
22 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
Greenhouse
21 Apr – 5 May
26 May
4-6 wk
2 Jun
23 Jun
2 wk after
Lemon balm
Melissa officinalis
9 – 23 Mar
19 May
8-10 wk
18 May
14 Jul
0 wk
22 Jun
4 Jul
5 wk after
Dill
Anethum graveolens
22 May
15 Jul
1 wk after
Wild chives
Allium schoenoprasum
23 Mar – 6 Apr
2 Jun
6-8 wk
18 May
14 Jul
0 wk
22 May
4 Jul
1 wk after
Spearmint
Mentha spicata
23 Feb – 23 Mar
19 May
8-12 wk
18 May
14 Jul
0 wk
22 Jun
4 Jul
5 wk after
Coriander
Coriandrum sativum
18 May
4 Aug
0 wk
8 Jun
25 Jul
3 wk after
Garden sage
Salvia officinalis
17 – 31 Mar
4 May
8-10 wk
26 May
29 Jun
1 wk after
Common thyme
Thymus vulgaris
9 – 23 Mar
9 May
8-10 wk
18 May
4 Jul
0 wk
Oregano
Origanum vulgare
23 Mar – 6 Apr
23 May
6-8 wk
18 May
4 Jul
0 wk
22 Jun
24 Jun
5 wk after
Parsley
Petroselinum crispum
23 Mar – 6 Apr
23 May
6-8 wk
18 May
4 Jul
0 wk
22 May
24 Jun
1 wk after
Rosemary
Salvia rosmarinus
17 Feb – 17 Mar
24 Mar
10-14 wk
26 May
2 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
Greenhouse
5 – 12 May
2 Jun
3-4 wk
2 Jun
23 Jun
2 wk after
Cornflower
Centaurea cyanus
18 May
14 Jul
0 wk
22 May
4 Jul
1 wk after
Statice
Limonium sinuatum
5 – 19 Apr
15 Apr
8-10 wk
14 Jun
4 wk after
Sweet William
Dianthus barbatus
23 Mar – 6 Apr
6-8 wk
18 May
0 wk
3 Jun
2 wk after
Snow-on-the-mountain
Euphorbia marginata
19 Apr – 3 May
29 Apr
6-8 wk
14 Jun
4 wk after
31 Jul
11 wk after
Pinnate dahlia
Dahlia × pinnata
11 – 25 Apr
2 May
6-8 wk
6 Jun
13 Jun
3 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
27 Apr – 25 May
16 May
4-8 wk
22 Jun
5 wk after
22 Jun
5 wk after
Foxglove
Digitalis purpurea
9 – 23 Mar
8-10 wk
18 May
0 wk
8 Jun
3 wk after
Busy lizzie
Impatiens walleriana
7 Apr – 5 May
28 May
8-12 wk
30 Jun
23 Jul
6 wk after
Creeping zinnia
Sanvitalia procumbens
19 Apr – 3 May
9 May
6-8 wk
14 Jun
20 Jun
4 wk after
Hyacinth bean
Dolichos lablab
Season too short
3 – 17 May
4-6 wk
14 Jun
4 wk after
Chinese lantern
Physalis alkekengi
17 – 31 Mar
10 Apr
8-10 wk
26 May
5 Jun
1 wk after
Love in a mist
Nigella damascena
18 May
29 Jun
0 wk
22 May
19 Jun
1 wk after
Strawflower
Xerochrysum bracteatum
Fleece
7 – 21 Apr
28 Apr
6-8 wk
2 Jun
9 Jun
2 wk after
16 Jul
8 wk after
Purple-top vervain
Verbena bonariensis
3 – 31 Mar
10 Apr
8-12 wk
26 May
5 Jun
1 wk after
Cardoon
Cynara cardunculus
Greenhouse
24 Feb – 24 Mar
20 Mar
8-12 wk
19 May
0 wk
Regal-foxtail
Ptilotus nobilis
Greenhouse
10 Mar – 7 Apr
18 Apr
8-12 wk
2 Jun
13 Jun
2 wk after
Globe amaranth
Gomphrena globosa
Greenhouse
7 – 21 Apr
2 May
6-8 wk
2 Jun
13 Jun
2 wk after
Corn poppy
Papaver rhoeas
18 May
14 Jul
0 wk
22 May
4 Jul
1 wk after
Snapdragon
Antirrhinum majus
23 Feb – 23 Mar
9 May
8-12 wk
18 May
4 Jul
0 wk
3 Jun
24 Jun
2 wk after
Flossflower
Ageratum houstonianum
21 Apr – 5 May
25 Apr
8-10 wk
30 Jun
6 wk after
Sweet pea
Lathyrus odoratus
23 Mar – 13 Apr
30 May
5-8 wk
18 May
4 Jul
0 wk
Stock
Matthiola incana
23 Mar – 6 Apr
2 Jun
6-8 wk
18 May
14 Jul
0 wk
8 Jun
4 Jul
3 wk after
Wormwood
Artemisia absinthium
23 Mar – 6 Apr
3 May
6-8 wk
18 May
14 Jun
0 wk
8 Jun
3 wk after
Mexican sunflower
Tithonia rotundifolia
Greenhouse
21 Apr – 5 May
11 May
4-6 wk
2 Jun
8 Jun
2 wk after
Garden pansy
Viola × wittrockiana
9 – 23 Mar
19 May
8-10 wk
18 May
14 Jul
0 wk
3 Jun
4 Jul
2 wk after
Petunia
Petunia
22 Mar – 19 Apr
15 Apr
8-12 wk
14 Jun
4 wk after
Sweet Scabious
Scabiosa atropurpurea
31 Mar – 14 Apr
24 Apr
6-8 wk
26 May
5 Jun
1 wk after
6 Jul
7 wk after
Common zinnia
Zinnia elegans
Fleece
21 Apr – 5 May
26 May
4-6 wk
2 Jun
23 Jun
2 wk after
Common morning glory
Ipomoea purpurea
Greenhouse
28 Apr – 12 May
2 Jun
3-5 wk
2 Jun
23 Jun
2 wk after
Garden cosmos
Cosmos bipinnatus
3 – 17 May
16 May
4-6 wk
14 Jun
4 wk after
6 Jul
7 wk after
Scarlet milkweed
Asclepias curassavica
Fleece
7 Apr – 5 May
2 May
8-12 wk
30 Jun
6 wk after
Bee balm
Monarda didyma
23 Feb – 23 Mar
19 Apr
8-12 wk
18 May
14 Jun
0 wk
22 Jun
5 wk after
Yarrow
Achillea millefolium
23 Mar – 6 Apr
3 Apr
6-8 wk
18 May
0 wk
8 Jun
3 wk after
Safflower
Carthamus tinctorius
18 May
14 Jun
0 wk
22 May
4 Jun
1 wk after
Iceland poppy
Papaver nudicaule
Season too short
23 Mar – 6 Apr
23 May
6-8 wk
18 May
4 Jul
0 wk
30 Apr
24 Jun
3 wk before
Bishop's flower
Ammi majus
6 – 20 Apr
6 Jun
4-6 wk
18 May
4 Jul
0 wk
8 Jun
24 Jun
3 wk after
Drumsticks
Pycnosorus globosus
Greenhouse
10 – 24 Mar
24 Mar
10-12 wk
2 Jun
2 Jun
2 wk after
Sunflower
Helianthus annuus
17 – 24 May
1 Jun
3-4 wk
14 Jun
22 Jun
4 wk after
22 Jun
5 wk after
China aster
Callistephus chinensis
19 Apr – 3 May
21 May
6-8 wk
14 Jun
2 Jul
4 wk after
6 Jul
7 wk after
Annual phlox
Phlox drummondii
7 – 21 Apr
9 May
6-8 wk
2 Jun
20 Jun
2 wk after
6 Jul
7 wk after
Hollyhock
Alcea rosea
23 Mar – 6 Apr
6-8 wk
18 May
0 wk
8 Jun
3 wk after
Alpine delphinium
Delphinium elatum
23 Feb – 23 Mar
19 Apr
8-12 wk
18 May
14 Jun
0 wk
22 Jun
5 wk after
African marigold
Tagetes erecta
19 Apr – 3 May
9 May
6-8 wk
14 Jun
20 Jun
4 wk after
Black-eyed Susan
Rudbeckia hirta
31 Mar – 14 Apr
11 May
6-8 wk
26 May
22 Jun
1 wk after
6 Jul
7 wk after
Wood sage
Salvia nemorosa
9 – 23 Mar
9 Apr
8-10 wk
18 May
4 Jun
0 wk
22 Jun
5 wk after
Black-eyed susan vine
Thunbergia alata
Greenhouse
24 Mar – 21 Apr
12 May
6-10 wk
2 Jun
23 Jun
2 wk after
California goldenpoppy
Eschscholzia californica
18 May
14 Jul
0 wk
22 May
4 Jul
1 wk after
Painted tongue
Salpiglossis sinuata
5 – 19 Apr
17 Apr
8-10 wk
14 Jun
4 wk after
Water forget-me-not
Myosotis scorpioides
23 Mar – 6 Apr
3 May
6-8 wk
18 May
14 Jun
0 wk
8 Jun
3 wk after