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-5.1°
Moderate frost tomorrow morning at 06:00. Frost temperatures between 21:00 – tomorrow 23:00. Bring in or cover sensitive plants
-3.0°
Last 24h: Slight frost recorded this morning at 07:00. Inspect for frost damage
Method
Rel. frost
Last spring frost (0°C) 4 May Frost 9 of 10 years · 20 years of data
Frost-free season 139 days 4 May – 20 Sep
Probability that frost is over

10% = 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
21 Mar – 4 Apr
5-7 wk
9 May
1 wk after
22 Apr
2 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
9 – 23 Apr
4-6 wk
21 May
3 wk after
30 Apr
1 wk after
Chili pepper
Capsicum annuum
Season too short
18 Mar – 15 Apr
8-12 wk
10 Jun
5 wk after
Kale
Brassica oleracea (Curly Kale-gruppen)
20 Feb – 6 Mar
5-7 wk
10 Apr
3 wk before
26 Apr
Vid frost
Cucumber
Cucumis sativus
Season too short
13 – 20 May
3-4 wk
10 Jun
5 wk after
Florence Fennel
Foeniculum vulgare
Season too short
6 – 13 May
4-5 wk
10 Jun
5 wk after
25 May
3 wk after
Butter bean
Phaseolus lunatus
Season too short
25 May – 1 Jun
3-4 wk
22 Jun
7 wk after
Onion
Allium cepa (Cepa-gruppen)
9 Feb – 9 Mar
8-12 wk
4 May
Vid frost
17 May
3 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
17 May
3 wk after
Sweetcorn
Zea mays
Fleece
4 – 11 Jun
3-4 wk
2 Jul
8 wk after
Chard
Beta vulgaris (Flavescens-gruppen)
Fleece
25 Apr – 2 May
3-4 wk
23 May
3 wk after
14 May
1 wk after
Carrot
Daucus carota subsp. sativus var. sativus
26 Apr
Vid frost
Cavolo nero
Brassica oleracea (Palm Kale-gruppen)
20 Feb – 6 Mar
5-7 wk
10 Apr
3 wk before
26 Apr
Vid frost
Potato
Solanum tuberosum
10 – 24 May
4-6 wk
21 Jun
7 wk after
12 May
2 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
20 Feb – 6 Mar
5-7 wk
10 Apr
3 wk before
30 Apr
1 wk after
Pumpkin
Cucurbita pepo
Season too short
13 – 20 May
3-4 wk
10 Jun
5 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
Fleece
25 Apr – 2 May
3-4 wk
23 May
3 wk after
14 May
1 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
9 – 23 Apr
4-6 wk
21 May
3 wk after
Lettuce
Lactuca sativa
30 Mar – 6 Apr
3-4 wk
27 Apr
1 wk before
30 Apr
1 wk after
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
16 – 30 Mar
4-6 wk
27 Apr
1 wk before
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
22 Mar – 5 Apr
2-4 wk
19 Apr
2 wk before
26 Apr
Vid frost
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
30 Apr
1 wk after
Spinach
Spinacia oleracea
22 – 29 Mar
3-4 wk
19 Apr
2 wk before
21 Apr
1 wk before
Sweet potato
Ipomoea batatas
22 May – 5 Jun
4-6 wk
3 Jul
8 wk after
Tomato
Solanum lycopersicum
Season too short
3 – 17 Apr
6-8 wk
29 May
4 wk after
Tomatillo
Physalis ixocarpa
French bean
Phaseolus vulgaris
Season too short
1 – 15 May
2-4 wk
29 May
4 wk after
25 May
3 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
9 – 23 Apr
4-6 wk
21 May
3 wk after
Pea
Pisum sativum
22 – 29 Mar
3-4 wk
19 Apr
2 wk before
30 Apr
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
21 May – 4 Jun
4-6 wk
2 Jul
8 wk after
Lemon balm
Melissa officinalis
23 Feb – 9 Mar
8-10 wk
4 May
Vid frost
29 May
5 wk after
Dill
Anethum graveolens
30 Apr
1 wk after
Chives
Allium schoenoprasum
13 – 27 Feb
6-8 wk
10 Apr
3 wk before
30 Apr
1 wk after
Spearmint
Mentha spicata
25 Jan – 22 Feb
8-12 wk
19 Apr
2 wk before
29 May
5 wk after
Coriander
Coriandrum sativum
17 May
3 wk after
Sage
Salvia officinalis
Fleece
14 – 28 Mar
8-10 wk
23 May
3 wk after
Thyme
Thymus vulgaris
12 – 26 Mar
8-10 wk
21 May
3 wk after
Oregano
Origanum vulgare
15 – 29 Mar
6-8 wk
10 May
1 wk after
29 May
5 wk after
Parsley
Petroselinum crispum
22 Feb – 8 Mar
6-8 wk
19 Apr
2 wk before
30 Apr
1 wk after
Rosemary
Salvia rosmarinus
Greenhouse
31 Jan – 28 Feb
10-14 wk
9 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
22 – 29 May
3-4 wk
19 Jun
7 wk after
Cornflower
Centaurea cyanus
19 Apr
2 wk before
30 Apr
1 wk after
Statice
Limonium sinuatum
Season too short
20 Mar – 3 Apr
8-10 wk
29 May
4 wk after
Sweet William
Dianthus barbatus
22 Feb – 8 Mar
6-8 wk
19 Apr
2 wk before
12 May
2 wk after
Snow-on-the-mountain
Euphorbia marginata
Season too short
3 – 17 Apr
6-8 wk
29 May
4 wk after
14 Jun
6 wk after
Dahlia
Dahlia × pinnata
Greenhouse
28 Mar – 11 Apr
6-8 wk
23 May
3 wk after
Dahlia (tubers)
Dahlia × pinnata
21 Apr – 19 May
4-8 wk
16 Jun
6 wk after
29 May
5 wk after
Foxglove
Digitalis purpurea
8 – 22 Feb
8-10 wk
19 Apr
2 wk before
17 May
3 wk after
Busy lizzie
Impatiens walleriana
Greenhouse
18 Mar – 15 Apr
8-12 wk
10 Jun
5 wk after
Creeping zinnia
Sanvitalia procumbens
Season too short
3 – 17 Apr
6-8 wk
29 May
4 wk after
Hyacinth bean
Dolichos lablab
Season too short
8 – 22 May
4-6 wk
19 Jun
7 wk after
Chinese lantern
Physalis alkekengi
Greenhouse
28 Feb – 14 Mar
8-10 wk
9 May
1 wk after
Love in a mist
Nigella damascena
30 Apr
1 wk after
Strawflower
Xerochrysum bracteatum
Season too short
3 – 17 Apr
6-8 wk
29 May
4 wk after
14 Jun
6 wk after
Tall verbena
Verbena bonariensis
Greenhouse
14 Feb – 14 Mar
8-12 wk
9 May
1 wk after
Cardoon
Cynara cardunculus
Season too short
6 Mar – 3 Apr
8-12 wk
29 May
4 wk after
Regal-foxtail
Ptilotus nobilis
Season too short
18 Mar – 15 Apr
8-12 wk
10 Jun
5 wk after
Globe amaranth
Gomphrena globosa
Season too short
15 – 29 Apr
6-8 wk
10 Jun
5 wk after
Corn poppy
Papaver rhoeas
30 Apr
1 wk after
Snapdragon
Antirrhinum majus
2 Feb – 2 Mar
8-12 wk
27 Apr
1 wk before
12 May
2 wk after
Flossflower
Ageratum houstonianum
Season too short
1 – 15 Apr
8-10 wk
10 Jun
5 wk after
Sweet pea
Lathyrus odoratus
22 Feb – 15 Mar
5-8 wk
19 Apr
2 wk before
Stock
Matthiola incana
2 – 16 Mar
6-8 wk
27 Apr
1 wk before
17 May
3 wk after
Wormwood
Artemisia absinthium
22 Feb – 8 Mar
6-8 wk
19 Apr
2 wk before
17 May
3 wk after
Mexican sunflower
Tithonia rotundifolia
Season too short
29 Apr – 13 May
4-6 wk
10 Jun
5 wk after
Pansy
Viola × wittrockiana
30 Jan – 13 Feb
8-10 wk
10 Apr
3 wk before
12 May
2 wk after
Petunia
Petunia
Season too short
6 Mar – 3 Apr
8-12 wk
29 May
4 wk after
Scabious
Scabiosa atropurpurea
Greenhouse
14 – 28 Mar
6-8 wk
9 May
1 wk after
25 May
3 wk after
Zinnia
Zinnia elegans
Season too short
17 Apr – 1 May
4-6 wk
29 May
4 wk after
Common morning glory
Ipomoea purpurea
Season too short
6 – 20 May
3-5 wk
10 Jun
5 wk after
Cosmos
Cosmos bipinnatus
Season too short
17 Apr – 1 May
4-6 wk
29 May
4 wk after
25 May
3 wk after
Scarlet milkweed
Asclepias curassavica
Season too short
27 Mar – 24 Apr
8-12 wk
19 Jun
7 wk after
Bee balm
Monarda didyma
9 Feb – 9 Mar
8-12 wk
4 May
Vid frost
29 May
5 wk after
Yarrow
Achillea millefolium
22 Feb – 8 Mar
6-8 wk
19 Apr
2 wk before
17 May
3 wk after
Safflower
Carthamus tinctorius
19 Apr
2 wk before
30 Apr
1 wk after
Iceland poppy
Papaver nudicaule
13 – 27 Feb
6-8 wk
10 Apr
3 wk before
26 Apr
Vid frost
Bishop's flower
Ammi majus
3 – 17 Apr
4-6 wk
15 May
1 wk after
17 May
3 wk after
Drumsticks
Pycnosorus globosus
Season too short
18 Mar – 1 Apr
10-12 wk
10 Jun
5 wk after
Sunflower
Helianthus annuus
Season too short
1 – 8 May
3-4 wk
29 May
4 wk after
14 May
1 wk after
China aster
Callistephus chinensis
Season too short
3 – 17 Apr
6-8 wk
29 May
4 wk after
25 May
3 wk after
Annual phlox
Phlox drummondii
Fleece
3 – 17 Apr
6-8 wk
29 May
4 wk after
8 Jun
5 wk after
Hollyhock
Alcea rosea
22 Feb – 8 Mar
6-8 wk
19 Apr
2 wk before
17 May
3 wk after
Delphinium
Delphinium elatum
26 Feb – 26 Mar
8-12 wk
21 May
3 wk after
29 May
5 wk after
African marigold
Tagetes erecta
Season too short
3 – 17 Apr
6-8 wk
29 May
4 wk after
Black-eyed Susan
Rudbeckia hirta
Fleece
28 Mar – 11 Apr
6-8 wk
23 May
3 wk after
8 Jun
5 wk after
Woodland sage
Salvia nemorosa
1 – 15 Mar
8-10 wk
10 May
1 wk after
29 May
5 wk after
Black-eyed susan vine
Thunbergia alata
Season too short
1 – 29 Apr
6-10 wk
10 Jun
5 wk after
California goldenpoppy
Eschscholzia californica
30 Apr
1 wk after
Painted tongue
Salpiglossis sinuata
Season too short
20 Mar – 3 Apr
8-10 wk
29 May
4 wk after
Water forget-me-not
Myosotis scorpioides
22 Feb – 8 Mar
6-8 wk
19 Apr
2 wk before
17 May
3 wk after
Current date Soon Date passed