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0.8°
Near frost tonight at 05:00. Bring in or cover sensitive plants
-1.2°
Last 24h: Slight frost recorded this morning at 06:00. Inspect for frost damage
Method
Rel. frost
Last spring frost (0°C) 26 Mar Frost 9 of 10 years · 20 years of data
Frost-free season 205 days 26 Mar – 17 Oct
Probability that frost is over

10% = Half of years are frost-free by this date. More about frost & season →

Custom date

Vegetables

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