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-6.9°
Last 24h: Severe frost recorded tonight at 01:00. Inspect for frost damage
Method
Rel. frost
Last spring frost (0°C) 26 May Frost 9 of 10 years · 20 years of data
Frost-free season 75 days 26 May – 9 Aug
Probability that frost is over

10% = Half of years are frost-free by this date. More about frost & season →

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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)
7 – 21 Apr
5 Jun
5-7 wk
26 May
10 Jul
0 wk
27 May
30 Jun
0 wk
Broccoli
Brassica oleracea (Italica-gruppen)
14 – 28 Apr
17 Jun
4-6 wk
26 May
15 Jul
0 wk
27 May
5 Jul
0 wk
Chili pepper
Capsicum annuum
Season too short
14 Mar – 11 Apr
8-12 wk
6 Jun
2 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
7 – 21 Apr
6 Jun
5-7 wk
26 May
11 Jul
0 wk
26 May
1 Jul
0 wk
Garden cucumber
Cucumis sativus
Season too short
9 – 16 May
3-4 wk
6 Jun
2 wk after
Florence Fennel
Foeniculum vulgare
Greenhouse
2 – 9 May
19 May
4-5 wk
6 Jun
16 Jun
2 wk after
8 Jun
2 wk after
Butter bean
Phaseolus lunatus
Season too short
8 – 15 Jun
3-4 wk
6 Jul
6 wk after
Onion
Allium cepa (Cepa-gruppen)
Season too short
3 – 31 Mar
16 Mar
8-12 wk
26 May
0 wk
26 May
0 wk
Onion (sets)
Allium cepa (Cepa-gruppen)
Fleece
23 May
0 wk
23 May
0 wk
Maize
Zea mays
Season too short
2 – 9 May
3-4 wk
30 May
1 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
4 – 11 May
25 May
3-4 wk
1 Jun
15 Jun
1 wk after
8 Jun
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
26 May
16 Jun
0 wk
26 May
6 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
7 – 21 Apr
6 Jun
5-7 wk
26 May
11 Jul
0 wk
26 May
1 Jul
0 wk
Potato
Solanum tuberosum
Fleece
15 – 29 Apr
25 Apr
4-6 wk
27 May
0 wk
27 May
0 wk
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
7 – 21 Apr
1 Jun
5-7 wk
26 May
6 Jul
0 wk
27 May
26 Jun
0 wk
Pumpkin
Cucurbita pepo
Season too short
9 – 16 May
3-4 wk
6 Jun
2 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
Fleece
28 Apr – 5 May
5 May
3-4 wk
26 May
26 May
0 wk
1 Jun
1 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
14 – 28 Apr
18 Jun
4-6 wk
26 May
16 Jul
0 wk
Lettuce
Lactuca sativa
28 Apr – 5 May
20 Jun
3-4 wk
26 May
11 Jul
0 wk
27 May
1 Jul
0 wk
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
14 – 28 Apr
18 Jun
4-6 wk
26 May
16 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
28 Apr – 12 May
4 May
2-4 wk
26 May
0 wk
26 May
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
Fleece
23 May
0 wk
23 May
0 wk
Spinach
Spinacia oleracea
28 Apr – 5 May
11 Jul
3-4 wk
26 May
1 Aug
0 wk
23 May
22 Jul
0 wk
Sweet potato
Ipomoea batatas
20 Jun – 4 Jul
4-6 wk
1 Aug
10 wk after
Garden tomato
Solanum lycopersicum
Season too short
4 – 18 Apr
6-8 wk
30 May
1 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Season too short
2 – 16 May
2-4 wk
30 May
1 wk after
8 Jun
2 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
14 – 28 Apr
18 Jun
4-6 wk
26 May
16 Jul
0 wk
Garden pea
Pisum sativum
28 Apr – 5 May
5 Jun
3-4 wk
26 May
26 Jun
0 wk
27 May
16 Jun
0 wk

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
25 Apr – 9 May
4-6 wk
6 Jun
2 wk after
Lemon balm
Melissa officinalis
17 – 31 Mar
1 May
8-10 wk
26 May
26 Jun
0 wk
20 Jun
4 wk after
Dill
Anethum graveolens
27 May
15 Jun
0 wk
Wild chives
Allium schoenoprasum
31 Mar – 14 Apr
30 May
6-8 wk
26 May
11 Jul
0 wk
27 May
1 Jul
0 wk
Spearmint
Mentha spicata
3 – 31 Mar
10 May
8-12 wk
26 May
5 Jul
0 wk
20 Jun
25 Jun
4 wk after
Coriander
Coriandrum sativum
26 May
5 Jul
0 wk
8 Jun
25 Jun
2 wk after
Garden sage
Salvia officinalis
23 Mar – 6 Apr
1 May
8-10 wk
1 Jun
26 Jun
1 wk after
Common thyme
Thymus vulgaris
17 – 31 Mar
6 May
8-10 wk
26 May
1 Jul
0 wk
Oregano
Origanum vulgare
31 Mar – 14 Apr
14 May
6-8 wk
26 May
25 Jun
0 wk
20 Jun
4 wk after
Parsley
Petroselinum crispum
31 Mar – 14 Apr
14 May
6-8 wk
26 May
25 Jun
0 wk
27 May
15 Jun
0 wk
Rosemary
Salvia rosmarinus
Greenhouse
17 Feb – 17 Mar
22 Mar
10-14 wk
26 May
31 May
0 wk

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