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-4.6°
Moderate frost tomorrow morning at 07:00. Frost temperatures between 23:00 – tomorrow 23:00. Bring in or cover sensitive plants
-1.6°
Last 24h: Slight frost recorded this morning at 07:00. Inspect for frost damage
Method
Rel. frost
Last spring frost (0°C) 7 May Frost 3 of 4 years · 20 years of data
Frost-free season 139 days 7 May – 23 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
Date Growing timeGrow. time Date Rel. frost Date Rel. frost
Cauliflower
Brassica oleracea (Botrytis-gruppen)
Season too short
24 Mar – 7 Apr
5-7 wk
12 May
1 wk after
25 Apr
2 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
12 – 26 Apr
4-6 wk
24 May
3 wk after
3 May
1 wk after
Chili pepper
Capsicum annuum
Season too short
21 Mar – 18 Apr
8-12 wk
13 Jun
5 wk after
Kale
Brassica oleracea (Curly Kale-gruppen)
23 Feb – 9 Mar
5-7 wk
13 Apr
3 wk before
29 Apr
Vid frost
Cucumber
Cucumis sativus
Season too short
16 – 23 May
3-4 wk
13 Jun
5 wk after
Florence Fennel
Foeniculum vulgare
Season too short
9 – 16 May
4-5 wk
13 Jun
5 wk after
28 May
3 wk after
Butter bean
Phaseolus lunatus
Season too short
28 May – 4 Jun
3-4 wk
25 Jun
7 wk after
Onion
Allium cepa (Cepa-gruppen)
12 Feb – 12 Mar
8-12 wk
7 May
Vid frost
20 May
3 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
20 May
3 wk after
Sweetcorn
Zea mays
Greenhouse
20 – 27 May
3-4 wk
17 Jun
6 wk after
Chard
Beta vulgaris (Flavescens-gruppen)
9 – 16 May
3-4 wk
6 Jun
5 wk after
20 May
3 wk after
Carrot
Daucus carota subsp. sativus var. sativus
29 Apr
Vid frost
Cavolo nero
Brassica oleracea (Palm Kale-gruppen)
23 Feb – 9 Mar
5-7 wk
13 Apr
3 wk before
29 Apr
Vid frost
Potato
Solanum tuberosum
13 – 27 May
4-6 wk
24 Jun
7 wk after
15 May
2 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
23 Feb – 9 Mar
5-7 wk
13 Apr
3 wk before
3 May
1 wk after
Pumpkin
Cucurbita pepo
Season too short
16 – 23 May
3-4 wk
13 Jun
5 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
9 – 16 May
3-4 wk
6 Jun
5 wk after
20 May
3 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
12 – 26 Apr
4-6 wk
24 May
3 wk after
Lettuce
Lactuca sativa
2 – 9 Apr
3-4 wk
30 Apr
1 wk before
3 May
1 wk after
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
19 Mar – 2 Apr
4-6 wk
30 Apr
1 wk before
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
25 Mar – 8 Apr
2-4 wk
22 Apr
2 wk before
29 Apr
Vid frost
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
3 May
1 wk after
Spinach
Spinacia oleracea
25 Mar – 1 Apr
3-4 wk
22 Apr
2 wk before
24 Apr
1 wk before
Sweet potato
Ipomoea batatas
25 May – 8 Jun
4-6 wk
6 Jul
8 wk after
Tomato
Solanum lycopersicum
Greenhouse
6 – 20 Apr
6-8 wk
1 Jun
4 wk after
Tomatillo
Physalis ixocarpa
French bean
Phaseolus vulgaris
Greenhouse
4 – 18 May
2-4 wk
1 Jun
4 wk after
28 May
3 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
12 – 26 Apr
4-6 wk
24 May
3 wk after
Pea
Pisum sativum
25 Mar – 1 Apr
3-4 wk
22 Apr
2 wk before
3 May
1 wk after
Current date Soon Date passed

Herbs

Plant Sow indoors Transplant Direct sow
Date Growing timeGrow. time Date Rel. frost Date Rel. frost
Basil
Ocimum basilicum
Fleece
24 May – 7 Jun
4-6 wk
5 Jul
8 wk after
Lemon balm
Melissa officinalis
26 Feb – 12 Mar
8-10 wk
7 May
Vid frost
1 Jun
5 wk after
Dill
Anethum graveolens
3 May
1 wk after
Chives
Allium schoenoprasum
16 Feb – 2 Mar
6-8 wk
13 Apr
3 wk before
3 May
1 wk after
Spearmint
Mentha spicata
28 Jan – 25 Feb
8-12 wk
22 Apr
2 wk before
1 Jun
5 wk after
Coriander
Coriandrum sativum
20 May
3 wk after
Sage
Salvia officinalis
Fleece
17 – 31 Mar
8-10 wk
26 May
3 wk after
Thyme
Thymus vulgaris
15 – 29 Mar
8-10 wk
24 May
3 wk after
Oregano
Origanum vulgare
18 Mar – 1 Apr
6-8 wk
13 May
1 wk after
1 Jun
5 wk after
Parsley
Petroselinum crispum
25 Feb – 11 Mar
6-8 wk
22 Apr
2 wk before
3 May
1 wk after
Rosemary
Salvia rosmarinus
Greenhouse
3 Feb – 3 Mar
10-14 wk
12 May
1 wk after
Current date Soon Date passed

Annual flowers

Plant Sow indoors Transplant Direct sow
Date Growing timeGrow. time Date Rel. frost Date Rel. frost
Morning glory
Ipomoea tricolor
Season too short
25 May – 1 Jun
3-4 wk
22 Jun
7 wk after
Cornflower
Centaurea cyanus
22 Apr
2 wk before
3 May
1 wk after
Statice
Limonium sinuatum
Greenhouse
23 Mar – 6 Apr
8-10 wk
1 Jun
4 wk after
Sweet William
Dianthus barbatus
25 Feb – 11 Mar
6-8 wk
22 Apr
2 wk before
15 May
2 wk after
Snow-on-the-mountain
Euphorbia marginata
Greenhouse
6 – 20 Apr
6-8 wk
1 Jun
4 wk after
17 Jun
6 wk after
Dahlia
Dahlia × pinnata
Greenhouse
31 Mar – 14 Apr
6-8 wk
26 May
3 wk after
Dahlia (tubers)
Dahlia × pinnata
24 Apr – 22 May
4-8 wk
19 Jun
6 wk after
1 Jun
5 wk after
Foxglove
Digitalis purpurea
11 – 25 Feb
8-10 wk
22 Apr
2 wk before
20 May
3 wk after
Busy lizzie
Impatiens walleriana
Greenhouse
21 Mar – 18 Apr
8-12 wk
13 Jun
5 wk after
Creeping zinnia
Sanvitalia procumbens
Greenhouse
6 – 20 Apr
6-8 wk
1 Jun
4 wk after
Hyacinth bean
Dolichos lablab
Season too short
11 – 25 May
4-6 wk
22 Jun
7 wk after
Chinese lantern
Physalis alkekengi
Greenhouse
3 – 17 Mar
8-10 wk
12 May
1 wk after
Love in a mist
Nigella damascena
3 May
1 wk after
Strawflower
Xerochrysum bracteatum
Season too short
6 – 20 Apr
6-8 wk
1 Jun
4 wk after
17 Jun
6 wk after
Tall verbena
Verbena bonariensis
Greenhouse
17 Feb – 17 Mar
8-12 wk
12 May
1 wk after
Cardoon
Cynara cardunculus
Season too short
9 Mar – 6 Apr
8-12 wk
1 Jun
4 wk after
Regal-foxtail
Ptilotus nobilis
Season too short
21 Mar – 18 Apr
8-12 wk
13 Jun
5 wk after
Globe amaranth
Gomphrena globosa
Season too short
18 Apr – 2 May
6-8 wk
13 Jun
5 wk after
Corn poppy
Papaver rhoeas
3 May
1 wk after
Snapdragon
Antirrhinum majus
5 Feb – 5 Mar
8-12 wk
30 Apr
1 wk before
15 May
2 wk after
Flossflower
Ageratum houstonianum
Season too short
4 – 18 Apr
8-10 wk
13 Jun
5 wk after
Sweet pea
Lathyrus odoratus
25 Feb – 18 Mar
5-8 wk
22 Apr
2 wk before
Stock
Matthiola incana
5 – 19 Mar
6-8 wk
30 Apr
1 wk before
20 May
3 wk after
Wormwood
Artemisia absinthium
25 Feb – 11 Mar
6-8 wk
22 Apr
2 wk before
20 May
3 wk after
Mexican sunflower
Tithonia rotundifolia
Season too short
2 – 16 May
4-6 wk
13 Jun
5 wk after
Pansy
Viola × wittrockiana
2 – 16 Feb
8-10 wk
13 Apr
3 wk before
15 May
2 wk after
Petunia
Petunia
Season too short
9 Mar – 6 Apr
8-12 wk
1 Jun
4 wk after
Scabious
Scabiosa atropurpurea
Greenhouse
17 – 31 Mar
6-8 wk
12 May
1 wk after
28 May
3 wk after
Zinnia
Zinnia elegans
Greenhouse
20 Apr – 4 May
4-6 wk
1 Jun
4 wk after
Common morning glory
Ipomoea purpurea
Season too short
9 – 23 May
3-5 wk
13 Jun
5 wk after
Cosmos
Cosmos bipinnatus
Greenhouse
20 Apr – 4 May
4-6 wk
1 Jun
4 wk after
28 May
3 wk after
Scarlet milkweed
Asclepias curassavica
Season too short
30 Mar – 27 Apr
8-12 wk
22 Jun
7 wk after
Bee balm
Monarda didyma
12 Feb – 12 Mar
8-12 wk
7 May
Vid frost
1 Jun
5 wk after
Yarrow
Achillea millefolium
25 Feb – 11 Mar
6-8 wk
22 Apr
2 wk before
20 May
3 wk after
Safflower
Carthamus tinctorius
22 Apr
2 wk before
3 May
1 wk after
Iceland poppy
Papaver nudicaule
16 Feb – 2 Mar
6-8 wk
13 Apr
3 wk before
29 Apr
Vid frost
Bishop's flower
Ammi majus
6 – 20 Apr
4-6 wk
18 May
1 wk after
20 May
3 wk after
Drumsticks
Pycnosorus globosus
Season too short
21 Mar – 4 Apr
10-12 wk
13 Jun
5 wk after
Sunflower
Helianthus annuus
Season too short
4 – 11 May
3-4 wk
1 Jun
4 wk after
17 May
1 wk after
China aster
Callistephus chinensis
Season too short
6 – 20 Apr
6-8 wk
1 Jun
4 wk after
28 May
3 wk after
Annual phlox
Phlox drummondii
Fleece
6 – 20 Apr
6-8 wk
1 Jun
4 wk after
11 Jun
5 wk after
Hollyhock
Alcea rosea
25 Feb – 11 Mar
6-8 wk
22 Apr
2 wk before
20 May
3 wk after
Delphinium
Delphinium elatum
1 – 29 Mar
8-12 wk
24 May
3 wk after
1 Jun
5 wk after
African marigold
Tagetes erecta
Greenhouse
6 – 20 Apr
6-8 wk
1 Jun
4 wk after
Black-eyed Susan
Rudbeckia hirta
Fleece
31 Mar – 14 Apr
6-8 wk
26 May
3 wk after
11 Jun
5 wk after
Woodland sage
Salvia nemorosa
4 – 18 Mar
8-10 wk
13 May
1 wk after
1 Jun
5 wk after
Black-eyed susan vine
Thunbergia alata
Season too short
4 Apr – 2 May
6-10 wk
13 Jun
5 wk after
California goldenpoppy
Eschscholzia californica
3 May
1 wk after
Painted tongue
Salpiglossis sinuata
Greenhouse
23 Mar – 6 Apr
8-10 wk
1 Jun
4 wk after
Water forget-me-not
Myosotis scorpioides
25 Feb – 11 Mar
6-8 wk
22 Apr
2 wk before
20 May
3 wk after
Current date Soon Date passed