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0.5°
Near frost tomorrow at 23:00. Bring in or cover sensitive plants
Method
Rel. frost
Last spring frost (0°C) 30 May Frost 3 of 4 years · 20 years of data
Frost-free season 89 days 30 May – 27 Aug
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)
11 – 25 Apr
15 Jun
5-7 wk
30 May
20 Jul
0 wk
3 Jun
10 Jul
1 wk after
Broccoli
Brassica oleracea (Italica-gruppen)
18 Apr – 2 May
27 Jun
4-6 wk
30 May
25 Jul
0 wk
3 Jun
15 Jul
1 wk after
Chili pepper
Capsicum annuum
Season too short
22 Mar – 19 Apr
8-12 wk
14 Jun
2 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
11 – 25 Apr
10 Jun
5-7 wk
30 May
15 Jul
0 wk
30 May
5 Jul
0 wk
Garden cucumber
Cucumis sativus
Greenhouse
17 – 24 May
27 May
3-4 wk
14 Jun
17 Jun
2 wk after
Florence Fennel
Foeniculum vulgare
Fleece
22 – 29 May
22 May
4-5 wk
26 Jun
4 wk after
4 Jul
5 wk after
Butter bean
Phaseolus lunatus
Season too short
19 – 26 Jun
3-4 wk
17 Jul
7 wk after
Onion
Allium cepa (Cepa-gruppen)
Fleece
7 Mar – 4 Apr
21 Mar
8-12 wk
30 May
0 wk
9 Jun
1 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
3 Jun
1 wk after
3 Jun
1 wk after
Maize
Zea mays
Greenhouse
3 – 10 May
17 May
3-4 wk
31 May
7 Jun
0 wk
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
10 – 17 May
18 Jun
3-4 wk
7 Jun
9 Jul
1 wk after
20 Jun
29 Jun
3 wk after
Carrot
Daucus carota subsp. sativus var. sativus
30 May
27 Jun
0 wk
30 May
17 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
11 – 25 Apr
10 Jun
5-7 wk
30 May
15 Jul
0 wk
30 May
5 Jul
0 wk
Potato
Solanum tuberosum
4 – 18 May
10 May
4-6 wk
15 Jun
2 wk after
15 Jun
2 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
11 – 25 Apr
12 Jun
5-7 wk
30 May
17 Jul
0 wk
3 Jun
7 Jul
1 wk after
Pumpkin
Cucurbita pepo
Fleece
29 May – 5 Jun
1 Jun
3-4 wk
26 Jun
4 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
10 – 17 May
3-4 wk
7 Jun
1 wk after
20 Jun
3 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
18 Apr – 2 May
22 Jun
4-6 wk
30 May
20 Jul
0 wk
Lettuce
Lactuca sativa
2 – 9 May
1 Jul
3-4 wk
30 May
22 Jul
0 wk
3 Jun
12 Jul
1 wk after
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
18 Apr – 2 May
22 Jun
4-6 wk
30 May
20 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
2 – 16 May
19 May
2-4 wk
30 May
2 Jun
0 wk
30 May
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
3 Jun
1 wk after
3 Jun
1 wk after
Spinach
Spinacia oleracea
2 – 9 May
24 Jul
3-4 wk
30 May
14 Aug
0 wk
26 May
4 Aug
1 wk before
Sweet potato
Ipomoea batatas
1 – 15 Jul
4-6 wk
12 Aug
11 wk after
Garden tomato
Solanum lycopersicum
Greenhouse
5 – 19 Apr
26 Apr
6-8 wk
31 May
7 Jun
0 wk
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Fleece
17 – 31 May
3 Jun
2-4 wk
14 Jun
17 Jun
2 wk after
4 Jul
5 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
18 Apr – 2 May
22 Jun
4-6 wk
30 May
20 Jul
0 wk
Garden pea
Pisum sativum
2 – 9 May
16 Jun
3-4 wk
30 May
7 Jul
0 wk
3 Jun
27 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
Fleece
15 – 29 May
4-6 wk
26 Jun
4 wk after
Lemon balm
Melissa officinalis
21 Mar – 4 Apr
12 May
8-10 wk
30 May
7 Jul
0 wk
4 Jul
5 wk after
Dill
Anethum graveolens
3 Jun
9 Jul
1 wk after
Wild chives
Allium schoenoprasum
4 – 18 Apr
3 Jun
6-8 wk
30 May
15 Jul
0 wk
3 Jun
5 Jul
1 wk after
Spearmint
Mentha spicata
7 Mar – 4 Apr
20 May
8-12 wk
30 May
15 Jul
0 wk
4 Jul
5 Jul
5 wk after
Coriander
Coriandrum sativum
30 May
29 Jul
0 wk
20 Jun
19 Jul
3 wk after
Garden sage
Salvia officinalis
29 Mar – 12 Apr
5 May
8-10 wk
7 Jun
30 Jun
1 wk after
Common thyme
Thymus vulgaris
21 Mar – 4 Apr
10 May
8-10 wk
30 May
5 Jul
0 wk
Oregano
Origanum vulgare
4 – 18 Apr
24 May
6-8 wk
30 May
5 Jul
0 wk
4 Jul
5 wk after
Parsley
Petroselinum crispum
4 – 18 Apr
24 May
6-8 wk
30 May
5 Jul
0 wk
3 Jun
25 Jun
1 wk after
Rosemary
Salvia rosmarinus
1 – 29 Mar
12 Mar
10-14 wk
7 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
Fleece
29 May – 5 Jun
3-4 wk
26 Jun
4 wk after
Cornflower
Centaurea cyanus
30 May
15 Jul
0 wk
3 Jun
5 Jul
1 wk after
Statice
Limonium sinuatum
17 Apr – 1 May
8-10 wk
26 Jun
4 wk after
Sweet William
Dianthus barbatus
4 – 18 Apr
6-8 wk
30 May
0 wk
15 Jun
2 wk after
Snow-on-the-mountain
Euphorbia marginata
1 – 15 May
6-8 wk
26 Jun
4 wk after
12 Aug
11 wk after
Pinnate dahlia
Dahlia × pinnata
23 Apr – 7 May
3 May
6-8 wk
18 Jun
3 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
9 May – 6 Jun
17 May
4-8 wk
4 Jul
5 wk after
4 Jul
5 wk after
Foxglove
Digitalis purpurea
21 Mar – 4 Apr
8-10 wk
30 May
0 wk
20 Jun
3 wk after
Busy lizzie
Impatiens walleriana
19 Apr – 17 May
28 May
8-12 wk
12 Jul
23 Jul
6 wk after
Creeping zinnia
Sanvitalia procumbens
1 – 15 May
8 May
6-8 wk
26 Jun
4 wk after
Hyacinth bean
Dolichos lablab
Season too short
15 – 29 May
4-6 wk
26 Jun
4 wk after
Chinese lantern
Physalis alkekengi
29 Mar – 12 Apr
4 Apr
8-10 wk
7 Jun
1 wk after
Love in a mist
Nigella damascena
30 May
22 Jun
0 wk
3 Jun
12 Jun
1 wk after
Strawflower
Xerochrysum bracteatum
Fleece
19 Apr – 3 May
27 Apr
6-8 wk
14 Jun
2 wk after
28 Jul
8 wk after
Purple-top vervain
Verbena bonariensis
15 Mar – 12 Apr
4 Apr
8-12 wk
7 Jun
1 wk after
Cardoon
Cynara cardunculus
Greenhouse
8 Mar – 5 Apr
21 Mar
8-12 wk
31 May
0 wk
Regal-foxtail
Ptilotus nobilis
Greenhouse
22 Mar – 19 Apr
19 Apr
8-12 wk
14 Jun
14 Jun
2 wk after
Globe amaranth
Gomphrena globosa
Greenhouse
19 Apr – 3 May
3 May
6-8 wk
14 Jun
14 Jun
2 wk after
Corn poppy
Papaver rhoeas
30 May
7 Jul
0 wk
3 Jun
27 Jun
1 wk after
Snapdragon
Antirrhinum majus
7 Mar – 4 Apr
2 May
8-12 wk
30 May
27 Jun
0 wk
15 Jun
17 Jun
2 wk after
Flossflower
Ageratum houstonianum
Fleece
17 Apr – 1 May
3 May
8-10 wk
26 Jun
28 Jun
4 wk after
Sweet pea
Lathyrus odoratus
4 – 25 Apr
31 May
5-8 wk
30 May
5 Jul
0 wk
Stock
Matthiola incana
4 – 18 Apr
26 May
6-8 wk
30 May
7 Jul
0 wk
20 Jun
27 Jun
3 wk after
Wormwood
Artemisia absinthium
4 – 18 Apr
4 May
6-8 wk
30 May
15 Jun
0 wk
20 Jun
3 wk after
Mexican sunflower
Tithonia rotundifolia
Greenhouse
3 – 17 May
12 May
4-6 wk
14 Jun
2 wk after
Garden pansy
Viola × wittrockiana
21 Mar – 4 Apr
20 May
8-10 wk
30 May
15 Jul
0 wk
15 Jun
5 Jul
2 wk after
Petunia
Petunia
3 Apr – 1 May
14 Apr
8-12 wk
26 Jun
4 wk after
Sweet Scabious
Scabiosa atropurpurea
12 – 26 Apr
18 Apr
6-8 wk
7 Jun
1 wk after
18 Jul
7 wk after
Common zinnia
Zinnia elegans
15 – 29 May
4-6 wk
26 Jun
4 wk after
Common morning glory
Ipomoea purpurea
Fleece
22 May – 5 Jun
3-5 wk
26 Jun
4 wk after
Garden cosmos
Cosmos bipinnatus
15 – 29 May
17 May
4-6 wk
26 Jun
4 wk after
18 Jul
7 wk after
Scarlet milkweed
Asclepias curassavica
Greenhouse
3 Apr – 1 May
19 May
8-12 wk
26 Jun
14 Jul
4 wk after
Bee balm
Monarda didyma
7 Mar – 4 Apr
12 Apr
8-12 wk
30 May
7 Jun
0 wk
4 Jul
5 wk after
Yarrow
Achillea millefolium
4 – 18 Apr
4 Apr
6-8 wk
30 May
0 wk
20 Jun
3 wk after
Safflower
Carthamus tinctorius
30 May
15 Jun
0 wk
3 Jun
5 Jun
1 wk after
Iceland poppy
Papaver nudicaule
Season too short
4 – 18 Apr
24 May
6-8 wk
30 May
5 Jul
0 wk
12 May
25 Jun
3 wk before
Bishop's flower
Ammi majus
18 Apr – 2 May
30 May
4-6 wk
30 May
27 Jun
0 wk
20 Jun
3 wk after
Drumsticks
Pycnosorus globosus
Greenhouse
22 Mar – 5 Apr
23 Mar
10-12 wk
14 Jun
2 wk after
Sunflower
Helianthus annuus
29 May – 5 Jun
3-4 wk
26 Jun
4 wk after
4 Jul
5 wk after
China aster
Callistephus chinensis
1 – 15 May
9 May
6-8 wk
26 Jun
4 wk after
18 Jul
7 wk after
Annual phlox
Phlox drummondii
19 Apr – 3 May
8 May
6-8 wk
14 Jun
19 Jun
2 wk after
18 Jul
7 wk after
Hollyhock
Alcea rosea
4 – 18 Apr
6-8 wk
30 May
0 wk
20 Jun
3 wk after
Alpine delphinium
Delphinium elatum
7 Mar – 4 Apr
12 Apr
8-12 wk
30 May
7 Jun
0 wk
4 Jul
5 wk after
African marigold
Tagetes erecta
1 – 15 May
8 May
6-8 wk
26 Jun
4 wk after
Black-eyed Susan
Rudbeckia hirta
12 – 26 Apr
29 Apr
6-8 wk
7 Jun
10 Jun
1 wk after
18 Jul
7 wk after
Wood sage
Salvia nemorosa
21 Mar – 4 Apr
2 Apr
8-10 wk
30 May
0 wk
4 Jul
5 wk after
Black-eyed susan vine
Thunbergia alata
Fleece
17 Apr – 15 May
26 Apr
6-10 wk
26 Jun
4 wk after
California goldenpoppy
Eschscholzia californica
30 May
4 Jul
0 wk
3 Jun
24 Jun
1 wk after
Painted tongue
Salpiglossis sinuata
Fleece
5 – 19 Apr
24 Apr
8-10 wk
14 Jun
19 Jun
2 wk after
Water forget-me-not
Myosotis scorpioides
4 – 18 Apr
4 May
6-8 wk
30 May
15 Jun
0 wk
20 Jun
3 wk after