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-2.3°
Slight frost tonight at 05:00. Frost temperatures between 23:00 – tomorrow 23:00. Bring in or cover sensitive plants
-4.8°
Last 24h: Moderate frost recorded tonight at 05:00. Inspect for frost damage
Method
Rel. frost
Last spring frost (0°C) 31 May Normal year · 20 years of data
Frost-free season 88 days 31 May – 27 Aug
Probability that frost is over

50% = 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
17 Apr – 1 May
5-7 wk
5 Jun
1 wk after
22 May
1 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
6 – 20 May
4-6 wk
17 Jun
3 wk after
27 May
Vid frost
Chili pepper
Capsicum annuum
Season too short
11 Apr – 9 May
8-12 wk
4 Jul
5 wk after
Kale
Brassica oleracea (Curly Kale-gruppen)
19 Mar – 2 Apr
5-7 wk
7 May
2 wk before
23 May
Vid frost
Cucumber
Cucumis sativus
Season too short
6 – 13 Jun
3-4 wk
4 Jul
5 wk after
Florence Fennel
Foeniculum vulgare
Season too short
30 May – 6 Jun
4-5 wk
4 Jul
5 wk after
13 Jun
2 wk after
Butter bean
Phaseolus lunatus
Season too short
15 – 22 Jun
3-4 wk
13 Jul
6 wk after
Onion
Allium cepa (Cepa-gruppen)
8 Mar – 5 Apr
8-12 wk
31 May
Vid frost
13 Jun
2 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
Season too short
31 May
Sweetcorn
Zea mays
Season too short
4 – 11 Jun
3-4 wk
2 Jul
5 wk after
Chard
Beta vulgaris (Flavescens-gruppen)
Greenhouse
8 – 15 May
3-4 wk
5 Jun
1 wk after
31 May
Carrot
Daucus carota subsp. sativus var. sativus
23 May
Vid frost
Cavolo nero
Brassica oleracea (Palm Kale-gruppen)
19 Mar – 2 Apr
5-7 wk
7 May
2 wk before
23 May
Vid frost
Potato
Solanum tuberosum
Season too short
16 – 30 Apr
4-6 wk
28 May
28 May
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
19 Mar – 2 Apr
5-7 wk
7 May
2 wk before
27 May
Vid frost
Pumpkin
Cucurbita pepo
Season too short
6 – 13 Jun
3-4 wk
4 Jul
5 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
Greenhouse
8 – 15 May
3-4 wk
5 Jun
1 wk after
31 May
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
6 – 20 May
4-6 wk
17 Jun
3 wk after
Lettuce
Lactuca sativa
26 Apr – 3 May
3-4 wk
24 May
1 wk before
27 May
Vid frost
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
12 – 26 Apr
4-6 wk
24 May
1 wk before
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
Season too short
17 Apr – 1 May
2-4 wk
15 May
2 wk before
15 May
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
Season too short
22 May
1 wk before
Spinach
Spinacia oleracea
18 – 25 Apr
3-4 wk
16 May
1 wk before
18 May
Vid frost
Sweet potato
Ipomoea batatas
18 Jun – 2 Jul
4-6 wk
30 Jul
7 wk after
Tomato
Solanum lycopersicum
Season too short
2 – 16 May
6-8 wk
27 Jun
4 wk after
Tomatillo
Physalis ixocarpa
French bean
Phaseolus vulgaris
Season too short
30 May – 13 Jun
2-4 wk
27 Jun
4 wk after
13 Jun
2 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
6 – 20 May
4-6 wk
17 Jun
3 wk after
Pea
Pisum sativum
18 – 25 Apr
3-4 wk
16 May
1 wk before
27 May
Vid frost
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
5 wk after
Lemon balm
Melissa officinalis
22 Mar – 5 Apr
8-10 wk
31 May
Vid frost
25 Jun
4 wk after
Dill
Anethum graveolens
27 May
Vid frost
Chives
Allium schoenoprasum
12 – 26 Mar
6-8 wk
7 May
2 wk before
27 May
Vid frost
Spearmint
Mentha spicata
21 Feb – 21 Mar
8-12 wk
16 May
1 wk before
25 Jun
4 wk after
Coriander
Coriandrum sativum
13 Jun
2 wk after
Sage
Salvia officinalis
Season too short
27 Mar – 10 Apr
8-10 wk
5 Jun
1 wk after
Thyme
Thymus vulgaris
8 – 22 Apr
8-10 wk
17 Jun
3 wk after
Oregano
Origanum vulgare
11 – 25 Apr
6-8 wk
6 Jun
1 wk after
25 Jun
4 wk after
Parsley
Petroselinum crispum
21 Mar – 4 Apr
6-8 wk
16 May
1 wk before
27 May
Vid frost
Rosemary
Salvia rosmarinus
Season too short
27 Feb – 27 Mar
10-14 wk
5 Jun
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
13 – 20 Jun
3-4 wk
11 Jul
6 wk after
Cornflower
Centaurea cyanus
16 May
1 wk before
27 May
Vid frost
Statice
Limonium sinuatum
Season too short
18 Apr – 2 May
8-10 wk
27 Jun
4 wk after
Sweet William
Dianthus barbatus
21 Mar – 4 Apr
6-8 wk
16 May
1 wk before
8 Jun
1 wk after
Snow-on-the-mountain
Euphorbia marginata
Season too short
2 – 16 May
6-8 wk
27 Jun
4 wk after
2 Jul
5 wk after
Dahlia
Dahlia × pinnata
Season too short
24 Apr – 8 May
6-8 wk
19 Jun
3 wk after
Dahlia (tubers)
Dahlia × pinnata
Season too short
11 Apr – 9 May
4-8 wk
6 Jun
1 wk after
6 Jun
1 wk after
Foxglove
Digitalis purpurea
7 – 21 Mar
8-10 wk
16 May
1 wk before
13 Jun
2 wk after
Busy lizzie
Impatiens walleriana
Season too short
11 Apr – 9 May
8-12 wk
4 Jul
5 wk after
Creeping zinnia
Sanvitalia procumbens
Season too short
2 – 16 May
6-8 wk
27 Jun
4 wk after
Hyacinth bean
Dolichos lablab
Season too short
30 May – 13 Jun
4-6 wk
11 Jul
6 wk after
Chinese lantern
Physalis alkekengi
Season too short
27 Mar – 10 Apr
8-10 wk
5 Jun
1 wk after
Love in a mist
Nigella damascena
27 May
Vid frost
Strawflower
Xerochrysum bracteatum
Season too short
2 – 16 May
6-8 wk
27 Jun
4 wk after
2 Jul
5 wk after
Tall verbena
Verbena bonariensis
Season too short
13 Mar – 10 Apr
8-12 wk
5 Jun
1 wk after
Cardoon
Cynara cardunculus
Season too short
4 Apr – 2 May
8-12 wk
27 Jun
4 wk after
Regal-foxtail
Ptilotus nobilis
Season too short
11 Apr – 9 May
8-12 wk
4 Jul
5 wk after
Globe amaranth
Gomphrena globosa
Season too short
9 – 23 May
6-8 wk
4 Jul
5 wk after
Corn poppy
Papaver rhoeas
27 May
Vid frost
Snapdragon
Antirrhinum majus
1 – 29 Mar
8-12 wk
24 May
1 wk before
8 Jun
1 wk after
Flossflower
Ageratum houstonianum
Season too short
25 Apr – 9 May
8-10 wk
4 Jul
5 wk after
Sweet pea
Lathyrus odoratus
21 Mar – 11 Apr
5-8 wk
16 May
1 wk before
Stock
Matthiola incana
29 Mar – 12 Apr
6-8 wk
24 May
1 wk before
13 Jun
2 wk after
Wormwood
Artemisia absinthium
21 Mar – 4 Apr
6-8 wk
16 May
1 wk before
13 Jun
2 wk after
Mexican sunflower
Tithonia rotundifolia
Season too short
23 May – 6 Jun
4-6 wk
4 Jul
5 wk after
Pansy
Viola × wittrockiana
26 Feb – 12 Mar
8-10 wk
7 May
2 wk before
8 Jun
1 wk after
Petunia
Petunia
Season too short
4 Apr – 2 May
8-12 wk
27 Jun
4 wk after
Scabious
Scabiosa atropurpurea
Season too short
10 – 24 Apr
6-8 wk
5 Jun
1 wk after
13 Jun
2 wk after
Zinnia
Zinnia elegans
Season too short
16 – 30 May
4-6 wk
27 Jun
4 wk after
Common morning glory
Ipomoea purpurea
Season too short
30 May – 13 Jun
3-5 wk
4 Jul
5 wk after
Cosmos
Cosmos bipinnatus
Season too short
16 – 30 May
4-6 wk
27 Jun
4 wk after
13 Jun
2 wk after
Scarlet milkweed
Asclepias curassavica
Season too short
18 Apr – 16 May
8-12 wk
11 Jul
6 wk after
Bee balm
Monarda didyma
8 Mar – 5 Apr
8-12 wk
31 May
Vid frost
25 Jun
4 wk after
Yarrow
Achillea millefolium
21 Mar – 4 Apr
6-8 wk
16 May
1 wk before
13 Jun
2 wk after
Safflower
Carthamus tinctorius
16 May
1 wk before
27 May
Vid frost
Iceland poppy
Papaver nudicaule
12 – 26 Mar
6-8 wk
7 May
2 wk before
23 May
Vid frost
Bishop's flower
Ammi majus
30 Apr – 14 May
4-6 wk
11 Jun
1 wk after
13 Jun
2 wk after
Drumsticks
Pycnosorus globosus
Season too short
11 – 25 Apr
10-12 wk
4 Jul
5 wk after
Sunflower
Helianthus annuus
Season too short
30 May – 6 Jun
3-4 wk
27 Jun
4 wk after
6 Jun
1 wk after
China aster
Callistephus chinensis
Season too short
2 – 16 May
6-8 wk
27 Jun
4 wk after
13 Jun
2 wk after
Annual phlox
Phlox drummondii
Greenhouse
14 – 28 Apr
6-8 wk
9 Jun
1 wk after
13 Jun
2 wk after
Hollyhock
Alcea rosea
21 Mar – 4 Apr
6-8 wk
16 May
1 wk before
13 Jun
2 wk after
Delphinium
Delphinium elatum
25 Mar – 22 Apr
8-12 wk
17 Jun
3 wk after
25 Jun
4 wk after
African marigold
Tagetes erecta
Season too short
2 – 16 May
6-8 wk
27 Jun
4 wk after
Black-eyed Susan
Rudbeckia hirta
Season too short
10 – 24 Apr
6-8 wk
5 Jun
1 wk after
13 Jun
2 wk after
Woodland sage
Salvia nemorosa
28 Mar – 11 Apr
8-10 wk
6 Jun
1 wk after
25 Jun
4 wk after
Black-eyed susan vine
Thunbergia alata
Season too short
25 Apr – 23 May
6-10 wk
4 Jul
5 wk after
California goldenpoppy
Eschscholzia californica
27 May
Vid frost
Painted tongue
Salpiglossis sinuata
Season too short
18 Apr – 2 May
8-10 wk
27 Jun
4 wk after
Water forget-me-not
Myosotis scorpioides
21 Mar – 4 Apr
6-8 wk
16 May
1 wk before
13 Jun
2 wk after
Current date Soon Date passed