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-3.9°
Moderate frost tonight at 04:00. Frost temperatures between 22:00 – tomorrow 23:00. Bring in or cover sensitive plants
Method
Rel. frost
Last spring frost (0°C) 22 May Frost 3 of 4 years · 20 years of data
Frost-free season 99 days 22 May – 29 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)
5 – 19 May
10 Jun
5-7 wk
23 Jun
15 Jul
5 wk after
23 May
5 Jul
Vid frost
Broccoli
Brassica oleracea (Italica-gruppen)
29 Apr – 13 May
22 Jun
4-6 wk
10 Jun
20 Jul
3 wk after
23 May
10 Jul
Vid frost
Chili pepper
Capsicum annuum
Season too short
2 – 30 Apr
8-12 wk
25 Jun
5 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
21 Mar – 4 Apr
5 Jun
5-7 wk
9 May
10 Jul
2 wk before
22 May
30 Jun
Vid frost
Garden cucumber
Cucumis sativus
Season too short
28 May – 4 Jun
3-4 wk
25 Jun
5 wk after
Florence Fennel
Foeniculum vulgare
Fleece
28 May – 4 Jun
4-5 wk
2 Jul
6 wk after
16 Jun
4 wk after
Butter bean
Phaseolus lunatus
Season too short
11 – 18 Jun
3-4 wk
9 Jul
7 wk after
Onion
Allium cepa (Cepa-gruppen)
27 Feb – 27 Mar
8-12 wk
22 May
Vid frost
4 Jun
2 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
Fleece
19 May
25 May
19 May
Maize
Zea mays
Season too short
21 – 28 May
3-4 wk
18 Jun
4 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
26 May – 2 Jun
16 Jun
3-4 wk
23 Jun
7 Jul
5 wk after
4 Jun
27 Jun
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
22 May
17 Jun
Vid frost
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
21 Mar – 4 Apr
5 Jun
5-7 wk
9 May
10 Jul
2 wk before
22 May
30 Jun
Vid frost
Potato
Solanum tuberosum
Fleece
11 – 25 Apr
3 May
4-6 wk
23 May
31 May
23 May
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
21 Mar – 4 Apr
12 Jun
5-7 wk
9 May
17 Jul
2 wk before
23 May
7 Jul
Vid frost
Pumpkin
Cucurbita pepo
Fleece
4 – 11 Jun
3-4 wk
2 Jul
6 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
Fleece
13 – 20 May
13 May
3-4 wk
10 Jun
3 wk after
28 May
1 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
29 Apr – 13 May
17 Jun
4-6 wk
10 Jun
15 Jul
3 wk after
Lettuce
Lactuca sativa
19 – 26 Apr
1 Jul
3-4 wk
17 May
22 Jul
1 wk before
23 May
12 Jul
Vid frost
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
5 – 19 Apr
17 Jun
4-6 wk
17 May
15 Jul
1 wk before
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
24 Apr – 8 May
5 May
2-4 wk
22 May
Vid frost
22 May
Vid frost
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
Fleece
19 May
25 May
19 May
Spinach
Spinacia oleracea
14 – 21 Apr
19 Jul
3-4 wk
12 May
9 Aug
1 wk before
19 May
30 Jul
Vid frost
Sweet potato
Ipomoea batatas
16 – 30 Jun
4-6 wk
28 Jul
10 wk after
Garden tomato
Solanum lycopersicum
Season too short
23 Apr – 7 May
6-8 wk
18 Jun
4 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Greenhouse
21 May – 4 Jun
14 Jun
2-4 wk
18 Jun
28 Jun
4 wk after
4 Jun
18 Jun
2 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
29 Apr – 13 May
17 Jun
4-6 wk
10 Jun
15 Jul
3 wk after
Garden pea
Pisum sativum
14 – 21 Apr
16 Jun
3-4 wk
12 May
7 Jul
1 wk before
23 May
27 Jun
Vid frost

Herbs

Plant Sow indoors Transplant Direct sow
Earliest Latest Growing time Earliest Latest Rel. frost Earliest Latest Rel. frost
Basil
Ocimum basilicum
Greenhouse
14 – 28 May
21 May
4-6 wk
25 Jun
5 wk after
Lemon balm
Melissa officinalis
13 – 27 Mar
12 May
8-10 wk
22 May
7 Jul
Vid frost
16 Jun
27 Jun
4 wk after
Dill
Anethum graveolens
23 May
7 Jul
Vid frost
Wild chives
Allium schoenoprasum
14 – 28 Mar
29 May
6-8 wk
9 May
10 Jul
2 wk before
23 May
30 Jun
Vid frost
Spearmint
Mentha spicata
17 Feb – 17 Mar
15 May
8-12 wk
12 May
10 Jul
1 wk before
16 Jun
30 Jun
4 wk after
Coriander
Coriandrum sativum
4 Jun
17 Jul
2 wk after
Garden sage
Salvia officinalis
14 – 28 Apr
30 Apr
8-10 wk
23 Jun
25 Jun
5 wk after
Common thyme
Thymus vulgaris
1 – 15 Apr
5 May
8-10 wk
10 Jun
30 Jun
3 wk after
Oregano
Origanum vulgare
1 – 15 Apr
19 May
6-8 wk
27 May
30 Jun
1 wk after
16 Jun
20 Jun
4 wk after
Parsley
Petroselinum crispum
17 – 31 Mar
19 May
6-8 wk
12 May
30 Jun
1 wk before
23 May
20 Jun
Vid frost
Rosemary
Salvia rosmarinus
Fleece
4 Mar – 1 Apr
25 Mar
10-14 wk
10 Jun
3 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
28 May – 4 Jun
28 May
3-4 wk
25 Jun
5 wk after
Cornflower
Centaurea cyanus
12 May
10 Jul
1 wk before
23 May
30 Jun
Vid frost
Statice
Limonium sinuatum
Fleece
16 – 30 Apr
17 Apr
8-10 wk
25 Jun
5 wk after
Sweet William
Dianthus barbatus
17 – 31 Mar
6-8 wk
12 May
1 wk before
1 Jun
1 wk after
Snow-on-the-mountain
Euphorbia marginata
Fleece
30 Apr – 14 May
1 May
6-8 wk
25 Jun
5 wk after
11 Jul
7 wk after
Pinnate dahlia
Dahlia × pinnata
Fleece
28 Apr – 12 May
6 May
6-8 wk
23 Jun
5 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
Fleece
9 Apr – 7 May
20 May
4-8 wk
4 Jun
17 Jun
2 wk after
4 Jun
7 Jun
2 wk after
Foxglove
Digitalis purpurea
3 – 17 Mar
8-10 wk
12 May
1 wk before
4 Jun
2 wk after
Busy lizzie
Impatiens walleriana
15 Apr – 13 May
22 May
8-12 wk
8 Jul
17 Jul
7 wk after
Creeping zinnia
Sanvitalia procumbens
Fleece
30 Apr – 14 May
11 May
6-8 wk
25 Jun
5 wk after
Hyacinth bean
Dolichos lablab
Season too short
21 May – 4 Jun
4-6 wk
2 Jul
6 wk after
Chinese lantern
Physalis alkekengi
Fleece
1 – 15 Apr
12 Apr
8-10 wk
10 Jun
3 wk after
Love in a mist
Nigella damascena
23 May
12 Jun
Vid frost
Strawflower
Xerochrysum bracteatum
Greenhouse
23 Apr – 7 May
30 Apr
6-8 wk
18 Jun
4 wk after
23 Jun
5 wk after
Purple-top vervain
Verbena bonariensis
Fleece
18 Mar – 15 Apr
12 Apr
8-12 wk
10 Jun
3 wk after
Cardoon
Cynara cardunculus
Season too short
26 Mar – 23 Apr
8-12 wk
18 Jun
4 wk after
Regal-foxtail
Ptilotus nobilis
Season too short
2 – 30 Apr
13 Apr
8-12 wk
25 Jun
5 wk after
Globe amaranth
Gomphrena globosa
Season too short
30 Apr – 14 May
6-8 wk
25 Jun
5 wk after
Corn poppy
Papaver rhoeas
23 May
27 Jun
Vid frost
Snapdragon
Antirrhinum majus
22 Feb – 22 Mar
2 May
8-12 wk
17 May
27 Jun
1 wk before
1 Jun
17 Jun
1 wk after
Flossflower
Ageratum houstonianum
Fleece
23 Apr – 7 May
27 Apr
8-10 wk
2 Jul
6 wk after
Sweet pea
Lathyrus odoratus
17 Mar – 7 Apr
26 May
5-8 wk
12 May
30 Jun
1 wk before
Stock
Matthiola incana
22 Mar – 5 Apr
26 May
6-8 wk
17 May
7 Jul
1 wk before
4 Jun
27 Jun
2 wk after
Wormwood
Artemisia absinthium
17 – 31 Mar
29 Apr
6-8 wk
12 May
10 Jun
1 wk before
4 Jun
2 wk after
Mexican sunflower
Tithonia rotundifolia
Season too short
14 – 28 May
4-6 wk
25 Jun
5 wk after
Garden pansy
Viola × wittrockiana
28 Feb – 14 Mar
15 May
8-10 wk
9 May
10 Jul
2 wk before
1 Jun
30 Jun
1 wk after
Petunia
Petunia
Fleece
2 – 30 Apr
17 Apr
8-12 wk
25 Jun
5 wk after
Sweet Scabious
Scabiosa atropurpurea
Fleece
15 – 29 Apr
26 Apr
6-8 wk
10 Jun
3 wk after
16 Jun
4 wk after
Common zinnia
Zinnia elegans
Fleece
14 – 28 May
21 May
4-6 wk
25 Jun
5 wk after
Common morning glory
Ipomoea purpurea
Greenhouse
21 May – 4 Jun
28 May
3-5 wk
25 Jun
5 wk after
Garden cosmos
Cosmos bipinnatus
Fleece
14 – 28 May
20 May
4-6 wk
25 Jun
5 wk after
16 Jun
4 wk after
Scarlet milkweed
Asclepias curassavica
Fleece
15 Apr – 13 May
26 Apr
8-12 wk
8 Jul
7 wk after
Bee balm
Monarda didyma
27 Feb – 27 Mar
12 Apr
8-12 wk
22 May
7 Jun
Vid frost
16 Jun
4 wk after
Yarrow
Achillea millefolium
17 – 31 Mar
30 Mar
6-8 wk
12 May
1 wk before
4 Jun
2 wk after
Safflower
Carthamus tinctorius
12 May
10 Jun
1 wk before
23 May
31 May
Vid frost
Iceland poppy
Papaver nudicaule
14 – 28 Mar
19 May
6-8 wk
9 May
30 Jun
2 wk before
22 May
20 Jun
Vid frost
Bishop's flower
Ammi majus
19 Apr – 3 May
30 May
4-6 wk
31 May
27 Jun
1 wk after
4 Jun
17 Jun
2 wk after
Drumsticks
Pycnosorus globosus
Season too short
2 – 16 Apr
10-12 wk
25 Jun
5 wk after
Sunflower
Helianthus annuus
Fleece
28 May – 4 Jun
2 Jun
3-4 wk
25 Jun
5 wk after
4 Jun
13 Jun
2 wk after
China aster
Callistephus chinensis
7 – 21 May
10 May
6-8 wk
2 Jul
6 wk after
4 Jul
6 wk after
Annual phlox
Phlox drummondii
Fleece
23 Apr – 7 May
11 May
6-8 wk
18 Jun
22 Jun
4 wk after
16 Jun
4 wk after
Hollyhock
Alcea rosea
17 – 31 Mar
6-8 wk
12 May
1 wk before
4 Jun
2 wk after
Alpine delphinium
Delphinium elatum
18 Mar – 15 Apr
12 Apr
8-12 wk
10 Jun
3 wk after
16 Jun
4 wk after
African marigold
Tagetes erecta
Fleece
30 Apr – 14 May
11 May
6-8 wk
25 Jun
5 wk after
Black-eyed Susan
Rudbeckia hirta
28 Apr – 12 May
30 Apr
6-8 wk
23 Jun
5 wk after
4 Jul
6 wk after
Wood sage
Salvia nemorosa
18 Mar – 1 Apr
2 Apr
8-10 wk
27 May
28 May
1 wk after
16 Jun
4 wk after
Black-eyed susan vine
Thunbergia alata
Greenhouse
16 Apr – 14 May
7 May
6-10 wk
25 Jun
5 wk after
California goldenpoppy
Eschscholzia californica
23 May
23 Jun
Vid frost
Painted tongue
Salpiglossis sinuata
Fleece
16 – 30 Apr
22 Apr
8-10 wk
25 Jun
5 wk after
Water forget-me-not
Myosotis scorpioides
17 – 31 Mar
29 Apr
6-8 wk
12 May
10 Jun
1 wk before
4 Jun
2 wk after