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-1.5°
Slight frost tomorrow morning at 06:00. Frost temperatures between tomorrow 02:00 – 08:00. Bring in or cover sensitive plants
-0.1°
Last 24h: Slight frost recorded this morning at 06:00. Inspect for frost damage
Method
Rel. frost
Last spring frost (0°C) 11 May Normal year · 20 years of data
Frost-free season 151 days 11 May – 9 Oct
Probability that frost is over

50% = Half of years are frost-free by this date. More about frost & season →

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Vegetables

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