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-2.6°
Slight frost tonight at 05:00. Frost temperatures between 22:00 – tomorrow 23:00. Bring in or cover sensitive plants
-0.8°
Last 24h: Slight frost recorded tonight at 04:00. Inspect for frost damage
Method
Rel. frost
Last spring frost (0°C) 22 May Frost 3 of 4 years · 20 years of data
Frost-free season 101 days 22 May – 31 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
Date Growing timeGrow. time Date Rel. frost Date Rel. frost
Cauliflower
Brassica oleracea (Botrytis-gruppen)
Season too short
8 – 22 Apr
5-7 wk
27 May
1 wk after
10 May
2 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
29 Apr – 13 May
4-6 wk
10 Jun
3 wk after
26 May
1 wk after
Chili pepper
Capsicum annuum
Season too short
5 Apr – 3 May
8-12 wk
28 Jun
5 wk after
Kale
Brassica oleracea (Curly Kale-gruppen)
15 – 29 Mar
5-7 wk
3 May
3 wk before
22 May
Vid frost
Cucumber
Cucumis sativus
Season too short
31 May – 7 Jun
3-4 wk
28 Jun
5 wk after
Florence Fennel
Foeniculum vulgare
Season too short
24 – 31 May
4-5 wk
28 Jun
5 wk after
12 Jun
3 wk after
Butter bean
Phaseolus lunatus
Season too short
12 – 19 Jun
3-4 wk
10 Jul
7 wk after
Onion
Allium cepa (Cepa-gruppen)
27 Feb – 27 Mar
8-12 wk
22 May
Vid frost
12 Jun
3 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
Fleece
1 Jun
1 wk after
1 Jun
1 wk after
Sweetcorn
Zea mays
Season too short
4 – 11 Jun
3-4 wk
2 Jul
6 wk after
Chard
Beta vulgaris (Flavescens-gruppen)
Greenhouse
29 Apr – 6 May
3-4 wk
27 May
1 wk after
22 May
Carrot
Daucus carota subsp. sativus var. sativus
22 May
Vid frost
Cavolo nero
Brassica oleracea (Palm Kale-gruppen)
15 – 29 Mar
5-7 wk
3 May
3 wk before
22 May
Vid frost
Potato
Solanum tuberosum
26 Apr – 10 May
4-6 wk
7 Jun
2 wk after
7 Jun
2 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
15 – 29 Mar
5-7 wk
3 May
3 wk before
26 May
1 wk after
Pumpkin
Cucurbita pepo
Season too short
31 May – 7 Jun
3-4 wk
28 Jun
5 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
Greenhouse
29 Apr – 6 May
3-4 wk
27 May
1 wk after
22 May
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
29 Apr – 13 May
4-6 wk
10 Jun
3 wk after
Lettuce
Lactuca sativa
18 – 25 Apr
3-4 wk
16 May
1 wk before
26 May
1 wk after
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
4 – 18 Apr
4-6 wk
16 May
1 wk before
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
24 Apr – 8 May
2-4 wk
22 May
Vid frost
22 May
Vid frost
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
26 May
1 wk after
26 May
1 wk after
Spinach
Spinacia oleracea
11 – 18 Apr
3-4 wk
9 May
2 wk before
18 May
1 wk before
Sweet potato
Ipomoea batatas
23 Jun – 7 Jul
4-6 wk
4 Aug
11 wk after
Tomato
Solanum lycopersicum
Season too short
21 Apr – 5 May
6-8 wk
16 Jun
4 wk after
Tomatillo
Physalis ixocarpa
French bean
Phaseolus vulgaris
Season too short
19 May – 2 Jun
2-4 wk
16 Jun
4 wk after
12 Jun
3 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
29 Apr – 13 May
4-6 wk
10 Jun
3 wk after
Pea
Pisum sativum
11 – 18 Apr
3-4 wk
9 May
2 wk before
26 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
Season too short
21 May – 4 Jun
4-6 wk
2 Jul
6 wk after
Lemon balm
Melissa officinalis
13 – 27 Mar
8-10 wk
22 May
Vid frost
26 Jun
5 wk after
Dill
Anethum graveolens
26 May
1 wk after
Chives
Allium schoenoprasum
8 – 22 Mar
6-8 wk
3 May
3 wk before
26 May
1 wk after
Spearmint
Mentha spicata
14 Feb – 14 Mar
8-12 wk
9 May
2 wk before
26 Jun
5 wk after
Coriander
Coriandrum sativum
12 Jun
3 wk after
Sage
Salvia officinalis
Season too short
18 Mar – 1 Apr
8-10 wk
27 May
1 wk after
Thyme
Thymus vulgaris
1 – 15 Apr
8-10 wk
10 Jun
3 wk after
Oregano
Origanum vulgare
1 – 15 Apr
6-8 wk
27 May
1 wk after
26 Jun
5 wk after
Parsley
Petroselinum crispum
14 – 28 Mar
6-8 wk
9 May
2 wk before
26 May
1 wk after
Rosemary
Salvia rosmarinus
Season too short
18 Feb – 18 Mar
10-14 wk
27 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
9 – 16 Jun
3-4 wk
7 Jul
7 wk after
Cornflower
Centaurea cyanus
9 May
2 wk before
26 May
1 wk after
Statice
Limonium sinuatum
Season too short
7 – 21 Apr
8-10 wk
16 Jun
4 wk after
Sweet William
Dianthus barbatus
14 – 28 Mar
6-8 wk
9 May
2 wk before
7 Jun
2 wk after
Snow-on-the-mountain
Euphorbia marginata
Season too short
21 Apr – 5 May
6-8 wk
16 Jun
4 wk after
2 Jul
6 wk after
Dahlia
Dahlia × pinnata
Season too short
15 – 29 Apr
6-8 wk
10 Jun
3 wk after
Dahlia (tubers)
Dahlia × pinnata
Fleece
17 Apr – 15 May
4-8 wk
12 Jun
3 wk after
12 Jun
3 wk after
Foxglove
Digitalis purpurea
28 Feb – 14 Mar
8-10 wk
9 May
2 wk before
12 Jun
3 wk after
Busy lizzie
Impatiens walleriana
Season too short
5 Apr – 3 May
8-12 wk
28 Jun
5 wk after
Creeping zinnia
Sanvitalia procumbens
Season too short
21 Apr – 5 May
6-8 wk
16 Jun
4 wk after
Hyacinth bean
Dolichos lablab
Season too short
26 May – 9 Jun
4-6 wk
7 Jul
7 wk after
Chinese lantern
Physalis alkekengi
Season too short
18 Mar – 1 Apr
8-10 wk
27 May
1 wk after
Love in a mist
Nigella damascena
26 May
1 wk after
Strawflower
Xerochrysum bracteatum
Season too short
21 Apr – 5 May
6-8 wk
16 Jun
4 wk after
2 Jul
6 wk after
Tall verbena
Verbena bonariensis
Season too short
4 Mar – 1 Apr
8-12 wk
27 May
1 wk after
Cardoon
Cynara cardunculus
Season too short
24 Mar – 21 Apr
8-12 wk
16 Jun
4 wk after
Regal-foxtail
Ptilotus nobilis
Season too short
5 Apr – 3 May
8-12 wk
28 Jun
5 wk after
Globe amaranth
Gomphrena globosa
Season too short
3 – 17 May
6-8 wk
28 Jun
5 wk after
Corn poppy
Papaver rhoeas
26 May
1 wk after
Snapdragon
Antirrhinum majus
21 Feb – 21 Mar
8-12 wk
16 May
1 wk before
7 Jun
2 wk after
Flossflower
Ageratum houstonianum
Season too short
19 Apr – 3 May
8-10 wk
28 Jun
5 wk after
Sweet pea
Lathyrus odoratus
14 Mar – 4 Apr
5-8 wk
9 May
2 wk before
Stock
Matthiola incana
21 Mar – 4 Apr
6-8 wk
16 May
1 wk before
12 Jun
3 wk after
Wormwood
Artemisia absinthium
14 – 28 Mar
6-8 wk
9 May
2 wk before
12 Jun
3 wk after
Mexican sunflower
Tithonia rotundifolia
Season too short
17 – 31 May
4-6 wk
28 Jun
5 wk after
Pansy
Viola × wittrockiana
22 Feb – 8 Mar
8-10 wk
3 May
3 wk before
7 Jun
2 wk after
Petunia
Petunia
Season too short
24 Mar – 21 Apr
8-12 wk
16 Jun
4 wk after
Scabious
Scabiosa atropurpurea
Season too short
1 – 15 Apr
6-8 wk
27 May
1 wk after
12 Jun
3 wk after
Zinnia
Zinnia elegans
Season too short
5 – 19 May
4-6 wk
16 Jun
4 wk after
Common morning glory
Ipomoea purpurea
Season too short
24 May – 7 Jun
3-5 wk
28 Jun
5 wk after
Cosmos
Cosmos bipinnatus
Season too short
5 – 19 May
4-6 wk
16 Jun
4 wk after
12 Jun
3 wk after
Scarlet milkweed
Asclepias curassavica
Season too short
14 Apr – 12 May
8-12 wk
7 Jul
7 wk after
Bee balm
Monarda didyma
27 Feb – 27 Mar
8-12 wk
22 May
Vid frost
26 Jun
5 wk after
Yarrow
Achillea millefolium
14 – 28 Mar
6-8 wk
9 May
2 wk before
12 Jun
3 wk after
Safflower
Carthamus tinctorius
9 May
2 wk before
26 May
1 wk after
Iceland poppy
Papaver nudicaule
8 – 22 Mar
6-8 wk
3 May
3 wk before
22 May
Vid frost
Bishop's flower
Ammi majus
20 Apr – 4 May
4-6 wk
1 Jun
1 wk after
12 Jun
3 wk after
Drumsticks
Pycnosorus globosus
Season too short
5 – 19 Apr
10-12 wk
28 Jun
5 wk after
Sunflower
Helianthus annuus
Season too short
19 – 26 May
3-4 wk
16 Jun
4 wk after
1 Jun
1 wk after
China aster
Callistephus chinensis
Season too short
21 Apr – 5 May
6-8 wk
16 Jun
4 wk after
12 Jun
3 wk after
Annual phlox
Phlox drummondii
Season too short
6 – 20 Apr
6-8 wk
1 Jun
1 wk after
12 Jun
3 wk after
Hollyhock
Alcea rosea
14 – 28 Mar
6-8 wk
9 May
2 wk before
12 Jun
3 wk after
Delphinium
Delphinium elatum
18 Mar – 15 Apr
8-12 wk
10 Jun
3 wk after
26 Jun
5 wk after
African marigold
Tagetes erecta
Season too short
21 Apr – 5 May
6-8 wk
16 Jun
4 wk after
Black-eyed Susan
Rudbeckia hirta
Season too short
1 – 15 Apr
6-8 wk
27 May
1 wk after
12 Jun
3 wk after
Woodland sage
Salvia nemorosa
18 Mar – 1 Apr
8-10 wk
27 May
1 wk after
26 Jun
5 wk after
Black-eyed susan vine
Thunbergia alata
Season too short
19 Apr – 17 May
6-10 wk
28 Jun
5 wk after
California goldenpoppy
Eschscholzia californica
26 May
1 wk after
Painted tongue
Salpiglossis sinuata
Season too short
7 – 21 Apr
8-10 wk
16 Jun
4 wk after
Water forget-me-not
Myosotis scorpioides
14 – 28 Mar
6-8 wk
9 May
2 wk before
12 Jun
3 wk after
Current date Soon Date passed