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0.7°
Near frost tomorrow at 23:00. Bring in or cover sensitive plants
Method
Rel. frost
Last spring frost (0°C) 16 May Frost 3 of 4 years · 20 years of data
Frost-free season 116 days 16 May – 9 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)
28 Mar – 11 Apr
16 Jun
5-7 wk
16 May
21 Jul
0 wk
20 May
11 Jul
1 wk after
Broccoli
Brassica oleracea (Italica-gruppen)
4 – 18 Apr
28 Jun
4-6 wk
16 May
26 Jul
0 wk
20 May
16 Jul
1 wk after
Chili pepper
Capsicum annuum
Greenhouse
8 Mar – 5 Apr
27 Mar
8-12 wk
31 May
2 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
28 Mar – 11 Apr
11 Jun
5-7 wk
16 May
16 Jul
0 wk
16 May
6 Jul
0 wk
Garden cucumber
Cucumis sativus
Fleece
15 – 22 May
21 May
3-4 wk
12 Jun
4 wk after
Florence Fennel
Foeniculum vulgare
24 – 31 May
4-5 wk
28 Jun
6 wk after
4 Jul
7 wk after
Butter bean
Phaseolus lunatus
Season too short
5 – 12 Jun
3-4 wk
3 Jul
7 wk after
Onion
Allium cepa (Cepa-gruppen)
21 Feb – 21 Mar
18 Mar
8-12 wk
16 May
0 wk
6 Jun
3 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
20 May
2 Jun
1 wk after
20 May
23 May
1 wk after
Maize
Zea mays
Fleece
3 – 10 May
11 May
3-4 wk
31 May
1 Jun
2 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
26 Apr – 3 May
26 Jun
3-4 wk
24 May
17 Jul
1 wk after
6 Jun
7 Jul
3 wk after
Carrot
Daucus carota subsp. sativus var. sativus
16 May
6 Jul
0 wk
16 May
26 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
28 Mar – 11 Apr
11 Jun
5-7 wk
16 May
16 Jul
0 wk
16 May
6 Jul
0 wk
Potato
Solanum tuberosum
20 Apr – 4 May
17 May
4-6 wk
1 Jun
14 Jun
2 wk after
1 Jun
4 Jun
2 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
28 Mar – 11 Apr
21 Jun
5-7 wk
16 May
26 Jul
0 wk
20 May
16 Jul
1 wk after
Pumpkin
Cucurbita pepo
31 May – 7 Jun
3-4 wk
28 Jun
6 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
26 Apr – 3 May
24 May
3-4 wk
24 May
14 Jun
1 wk after
6 Jun
3 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
4 – 18 Apr
23 Jun
4-6 wk
16 May
21 Jul
0 wk
Lettuce
Lactuca sativa
18 – 25 Apr
10 Jul
3-4 wk
16 May
31 Jul
0 wk
20 May
21 Jul
1 wk after
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
4 – 18 Apr
23 Jun
4-6 wk
16 May
21 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
18 Apr – 2 May
22 May
2-4 wk
16 May
5 Jun
0 wk
16 May
26 May
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
20 May
2 Jun
1 wk after
20 May
23 May
1 wk after
Spinach
Spinacia oleracea
18 – 25 Apr
25 Jul
3-4 wk
16 May
15 Aug
0 wk
12 May
5 Aug
1 wk before
Sweet potato
Ipomoea batatas
17 Jun – 1 Jul
4-6 wk
29 Jul
11 wk after
Garden tomato
Solanum lycopersicum
Fleece
5 – 19 Apr
20 Apr
6-8 wk
31 May
1 Jun
2 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
15 – 29 May
28 May
2-4 wk
12 Jun
4 wk after
4 Jul
7 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
4 – 18 Apr
23 Jun
4-6 wk
16 May
21 Jul
0 wk
Garden pea
Pisum sativum
18 – 25 Apr
25 Jun
3-4 wk
16 May
16 Jul
0 wk
20 May
6 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
Fleece
1 – 15 May
23 May
4-6 wk
12 Jun
20 Jun
4 wk after
Lemon balm
Melissa officinalis
7 – 21 Mar
21 May
8-10 wk
16 May
16 Jul
0 wk
20 Jun
6 Jul
5 wk after
Dill
Anethum graveolens
20 May
17 Jul
1 wk after
Wild chives
Allium schoenoprasum
21 Mar – 4 Apr
4 Jun
6-8 wk
16 May
16 Jul
0 wk
20 May
6 Jul
1 wk after
Spearmint
Mentha spicata
21 Feb – 21 Mar
21 May
8-12 wk
16 May
16 Jul
0 wk
20 Jun
6 Jul
5 wk after
Coriander
Coriandrum sativum
16 May
6 Aug
0 wk
6 Jun
27 Jul
3 wk after
Garden sage
Salvia officinalis
15 – 29 Mar
6 May
8-10 wk
24 May
1 Jul
1 wk after
Common thyme
Thymus vulgaris
7 – 21 Mar
11 May
8-10 wk
16 May
6 Jul
0 wk
Oregano
Origanum vulgare
21 Mar – 4 Apr
25 May
6-8 wk
16 May
6 Jul
0 wk
20 Jun
26 Jun
5 wk after
Parsley
Petroselinum crispum
21 Mar – 4 Apr
25 May
6-8 wk
16 May
6 Jul
0 wk
20 May
26 Jun
1 wk after
Rosemary
Salvia rosmarinus
15 Feb – 15 Mar
21 Mar
10-14 wk
24 May
30 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
Fleece
15 – 22 May
30 May
3-4 wk
12 Jun
20 Jun
4 wk after
Cornflower
Centaurea cyanus
16 May
16 Jul
0 wk
20 May
6 Jul
1 wk after
Statice
Limonium sinuatum
3 – 17 Apr
21 Apr
8-10 wk
12 Jun
16 Jun
4 wk after
Sweet William
Dianthus barbatus
21 Mar – 4 Apr
6-8 wk
16 May
0 wk
1 Jun
2 wk after
Snow-on-the-mountain
Euphorbia marginata
17 Apr – 1 May
5 May
6-8 wk
12 Jun
16 Jun
4 wk after
29 Jul
11 wk after
Pinnate dahlia
Dahlia × pinnata
9 – 23 Apr
10 May
6-8 wk
4 Jun
21 Jun
3 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
25 Apr – 23 May
24 May
4-8 wk
20 Jun
21 Jun
5 wk after
20 Jun
5 wk after
Foxglove
Digitalis purpurea
7 – 21 Mar
8-10 wk
16 May
0 wk
6 Jun
3 wk after
Busy lizzie
Impatiens walleriana
5 Apr – 3 May
10 Jun
8-12 wk
28 Jun
5 Aug
6 wk after
Creeping zinnia
Sanvitalia procumbens
17 Apr – 1 May
15 May
6-8 wk
12 Jun
26 Jun
4 wk after
Hyacinth bean
Dolichos lablab
Season too short
1 – 15 May
4-6 wk
12 Jun
4 wk after
Chinese lantern
Physalis alkekengi
15 – 29 Mar
12 Apr
8-10 wk
24 May
7 Jun
1 wk after
Love in a mist
Nigella damascena
16 May
1 Jul
0 wk
20 May
21 Jun
1 wk after
Strawflower
Xerochrysum bracteatum
17 Apr – 1 May
25 Apr
6-8 wk
12 Jun
4 wk after
29 Jul
11 wk after
Purple-top vervain
Verbena bonariensis
1 – 29 Mar
12 Apr
8-12 wk
24 May
7 Jun
1 wk after
Cardoon
Cynara cardunculus
Fleece
8 Mar – 5 Apr
22 Mar
8-12 wk
31 May
2 wk after
Regal-foxtail
Ptilotus nobilis
Fleece
20 Mar – 17 Apr
15 Apr
8-12 wk
12 Jun
4 wk after
Globe amaranth
Gomphrena globosa
Fleece
17 Apr – 1 May
29 Apr
6-8 wk
12 Jun
4 wk after
Corn poppy
Papaver rhoeas
16 May
16 Jul
0 wk
20 May
6 Jul
1 wk after
Snapdragon
Antirrhinum majus
21 Feb – 21 Mar
11 May
8-12 wk
16 May
6 Jul
0 wk
1 Jun
26 Jun
2 wk after
Flossflower
Ageratum houstonianum
19 Apr – 3 May
1 May
8-10 wk
28 Jun
6 wk after
Sweet pea
Lathyrus odoratus
21 Mar – 11 Apr
1 Jun
5-8 wk
16 May
6 Jul
0 wk
Stock
Matthiola incana
21 Mar – 4 Apr
4 Jun
6-8 wk
16 May
16 Jul
0 wk
6 Jun
6 Jul
3 wk after
Wormwood
Artemisia absinthium
21 Mar – 4 Apr
5 May
6-8 wk
16 May
16 Jun
0 wk
6 Jun
6 Jun
3 wk after
Mexican sunflower
Tithonia rotundifolia
Fleece
1 – 15 May
8 May
4-6 wk
12 Jun
4 wk after
Garden pansy
Viola × wittrockiana
7 – 21 Mar
21 May
8-10 wk
16 May
16 Jul
0 wk
1 Jun
6 Jul
2 wk after
Petunia
Petunia
20 Mar – 17 Apr
21 Apr
8-12 wk
12 Jun
16 Jun
4 wk after
Sweet Scabious
Scabiosa atropurpurea
29 Mar – 12 Apr
26 Apr
6-8 wk
24 May
7 Jun
1 wk after
4 Jul
7 wk after
Common zinnia
Zinnia elegans
1 – 15 May
23 May
4-6 wk
12 Jun
20 Jun
4 wk after
Common morning glory
Ipomoea purpurea
Fleece
8 – 22 May
30 May
3-5 wk
12 Jun
20 Jun
4 wk after
Garden cosmos
Cosmos bipinnatus
1 – 15 May
24 May
4-6 wk
12 Jun
21 Jun
4 wk after
4 Jul
7 wk after
Scarlet milkweed
Asclepias curassavica
Fleece
5 Apr – 3 May
15 May
8-12 wk
28 Jun
10 Jul
6 wk after
Bee balm
Monarda didyma
21 Feb – 21 Mar
21 Apr
8-12 wk
16 May
16 Jun
0 wk
20 Jun
5 wk after
Yarrow
Achillea millefolium
21 Mar – 4 Apr
5 Apr
6-8 wk
16 May
17 May
0 wk
6 Jun
3 wk after
Safflower
Carthamus tinctorius
16 May
16 Jun
0 wk
20 May
6 Jun
1 wk after
Iceland poppy
Papaver nudicaule
Season too short
21 Mar – 4 Apr
25 May
6-8 wk
16 May
6 Jul
0 wk
28 Apr
26 Jun
3 wk before
Bishop's flower
Ammi majus
4 – 18 Apr
8 Jun
4-6 wk
16 May
6 Jul
0 wk
6 Jun
26 Jun
3 wk after
Drumsticks
Pycnosorus globosus
Fleece
20 Mar – 3 Apr
23 Mar
10-12 wk
12 Jun
4 wk after
Sunflower
Helianthus annuus
15 – 22 May
29 May
3-4 wk
12 Jun
19 Jun
4 wk after
20 Jun
5 wk after
China aster
Callistephus chinensis
17 Apr – 1 May
18 May
6-8 wk
12 Jun
29 Jun
4 wk after
4 Jul
7 wk after
Annual phlox
Phlox drummondii
5 – 19 Apr
15 May
6-8 wk
31 May
26 Jun
2 wk after
4 Jul
7 wk after
Hollyhock
Alcea rosea
21 Mar – 4 Apr
6-8 wk
16 May
0 wk
6 Jun
3 wk after
Alpine delphinium
Delphinium elatum
21 Feb – 21 Mar
21 Apr
8-12 wk
16 May
16 Jun
0 wk
20 Jun
5 wk after
African marigold
Tagetes erecta
17 Apr – 1 May
15 May
6-8 wk
12 Jun
26 Jun
4 wk after
Black-eyed Susan
Rudbeckia hirta
29 Mar – 12 Apr
8 May
6-8 wk
24 May
19 Jun
1 wk after
4 Jul
7 wk after
Wood sage
Salvia nemorosa
7 – 21 Mar
11 Apr
8-10 wk
16 May
6 Jun
0 wk
20 Jun
5 wk after
Black-eyed susan vine
Thunbergia alata
Fleece
3 Apr – 1 May
9 May
6-10 wk
12 Jun
20 Jun
4 wk after
California goldenpoppy
Eschscholzia californica
16 May
15 Jul
0 wk
20 May
5 Jul
1 wk after
Painted tongue
Salpiglossis sinuata
3 – 17 Apr
21 Apr
8-10 wk
12 Jun
16 Jun
4 wk after
Water forget-me-not
Myosotis scorpioides
21 Mar – 4 Apr
5 May
6-8 wk
16 May
16 Jun
0 wk
6 Jun
6 Jun
3 wk after