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0.8°
Near frost tomorrow morning at 07:00. Bring in or cover sensitive plants
-0.5°
Last 24h: Slight frost recorded this morning at 06:00. Inspect for frost damage
Method
Rel. frost
Last spring frost (0°C) 20 Apr Frost 9 of 10 years · 20 years of data
Frost-free season 157 days 20 Apr – 24 Sep
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)
Greenhouse
8 – 22 Mar
5-7 wk
26 Apr
1 wk after
22 Mar
4 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
26 Mar – 9 Apr
4-6 wk
7 May
2 wk after
16 Apr
1 wk before
Chili pepper
Capsicum annuum
Season too short
2 – 30 Mar
8-12 wk
25 May
5 wk after
Kale
Brassica oleracea (Curly Kale-gruppen)
6 – 20 Feb
5-7 wk
27 Mar
4 wk before
12 Apr
2 wk before
Cucumber
Cucumis sativus
Season too short
27 Apr – 4 May
3-4 wk
25 May
5 wk after
Florence Fennel
Foeniculum vulgare
Season too short
20 – 27 Apr
4-5 wk
25 May
5 wk after
30 Apr
1 wk after
Butter bean
Phaseolus lunatus
Greenhouse
28 Apr – 5 May
3-4 wk
26 May
5 wk after
Onion
Allium cepa (Cepa-gruppen)
26 Jan – 23 Feb
8-12 wk
20 Apr
Vid frost
3 May
1 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
3 May
1 wk after
Sweetcorn
Zea mays
Fleece
8 – 15 May
3-4 wk
5 Jun
7 wk after
Chard
Beta vulgaris (Flavescens-gruppen)
22 – 29 Apr
3-4 wk
20 May
4 wk after
3 May
1 wk after
Carrot
Daucus carota subsp. sativus var. sativus
12 Apr
2 wk before
Cavolo nero
Brassica oleracea (Palm Kale-gruppen)
6 – 20 Feb
5-7 wk
27 Mar
4 wk before
12 Apr
2 wk before
Potato
Solanum tuberosum
26 Apr – 10 May
4-6 wk
7 Jun
7 wk after
28 Apr
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
6 – 20 Feb
5-7 wk
27 Mar
4 wk before
16 Apr
1 wk before
Pumpkin
Cucurbita pepo
Season too short
27 Apr – 4 May
3-4 wk
25 May
5 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
22 – 29 Apr
3-4 wk
20 May
4 wk after
3 May
1 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
26 Mar – 9 Apr
4-6 wk
7 May
2 wk after
Lettuce
Lactuca sativa
16 – 23 Mar
3-4 wk
13 Apr
1 wk before
16 Apr
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
2 – 16 Mar
4-6 wk
13 Apr
1 wk before
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
8 – 22 Mar
2-4 wk
5 Apr
2 wk before
12 Apr
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
16 Apr
1 wk before
Spinach
Spinacia oleracea
8 – 15 Mar
3-4 wk
5 Apr
2 wk before
7 Apr
3 wk before
Sweet potato
Ipomoea batatas
8 – 22 May
4-6 wk
19 Jun
8 wk after
Tomato
Solanum lycopersicum
Greenhouse
17 – 31 Mar
6-8 wk
12 May
3 wk after
Tomatillo
Physalis ixocarpa
French bean
Phaseolus vulgaris
Greenhouse
14 – 28 Apr
2-4 wk
12 May
3 wk after
30 Apr
1 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
26 Mar – 9 Apr
4-6 wk
7 May
2 wk after
Pea
Pisum sativum
8 – 15 Mar
3-4 wk
5 Apr
2 wk before
16 Apr
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
24 Apr – 8 May
4-6 wk
5 Jun
7 wk after
Lemon balm
Melissa officinalis
9 – 23 Feb
8-10 wk
20 Apr
Vid frost
15 May
3 wk after
Dill
Anethum graveolens
16 Apr
1 wk before
Chives
Allium schoenoprasum
30 Jan – 13 Feb
6-8 wk
27 Mar
4 wk before
16 Apr
1 wk before
Spearmint
Mentha spicata
11 Jan – 8 Feb
8-12 wk
5 Apr
2 wk before
15 May
3 wk after
Coriander
Coriandrum sativum
3 May
1 wk after
Sage
Salvia officinalis
11 – 25 Mar
8-10 wk
20 May
4 wk after
Thyme
Thymus vulgaris
26 Feb – 12 Mar
8-10 wk
7 May
2 wk after
Oregano
Origanum vulgare
1 – 15 Mar
6-8 wk
26 Apr
1 wk after
15 May
3 wk after
Parsley
Petroselinum crispum
8 – 22 Feb
6-8 wk
5 Apr
2 wk before
16 Apr
1 wk before
Rosemary
Salvia rosmarinus
Fleece
26 Jan – 23 Feb
10-14 wk
4 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
9 – 16 May
3-4 wk
6 Jun
7 wk after
Cornflower
Centaurea cyanus
5 Apr
2 wk before
16 Apr
1 wk before
Statice
Limonium sinuatum
Greenhouse
3 – 17 Mar
8-10 wk
12 May
3 wk after
Sweet William
Dianthus barbatus
8 – 22 Feb
6-8 wk
5 Apr
2 wk before
28 Apr
1 wk after
Snow-on-the-mountain
Euphorbia marginata
Greenhouse
17 – 31 Mar
6-8 wk
12 May
3 wk after
18 May
4 wk after
Dahlia
Dahlia × pinnata
Greenhouse
9 – 23 Mar
6-8 wk
4 May
2 wk after
Dahlia (tubers)
Dahlia × pinnata
7 Apr – 5 May
4-8 wk
2 Jun
6 wk after
15 May
3 wk after
Foxglove
Digitalis purpurea
25 Jan – 8 Feb
8-10 wk
5 Apr
2 wk before
3 May
1 wk after
Busy lizzie
Impatiens walleriana
Fleece
14 Mar – 11 Apr
8-12 wk
6 Jun
7 wk after
Creeping zinnia
Sanvitalia procumbens
Greenhouse
17 – 31 Mar
6-8 wk
12 May
3 wk after
Hyacinth bean
Dolichos lablab
Season too short
25 Apr – 9 May
4-6 wk
6 Jun
7 wk after
Chinese lantern
Physalis alkekengi
Fleece
23 Feb – 9 Mar
8-10 wk
4 May
2 wk after
Love in a mist
Nigella damascena
16 Apr
1 wk before
Strawflower
Xerochrysum bracteatum
Greenhouse
17 – 31 Mar
6-8 wk
12 May
3 wk after
18 May
4 wk after
Tall verbena
Verbena bonariensis
Fleece
9 Feb – 9 Mar
8-12 wk
4 May
2 wk after
Cardoon
Cynara cardunculus
Season too short
17 Feb – 17 Mar
8-12 wk
12 May
3 wk after
Regal-foxtail
Ptilotus nobilis
Season too short
2 – 30 Mar
8-12 wk
25 May
5 wk after
Globe amaranth
Gomphrena globosa
Season too short
30 Mar – 13 Apr
6-8 wk
25 May
5 wk after
Corn poppy
Papaver rhoeas
16 Apr
1 wk before
Snapdragon
Antirrhinum majus
19 Jan – 16 Feb
8-12 wk
13 Apr
1 wk before
28 Apr
1 wk after
Flossflower
Ageratum houstonianum
Season too short
16 – 30 Mar
8-10 wk
25 May
5 wk after
Sweet pea
Lathyrus odoratus
8 Feb – 1 Mar
5-8 wk
5 Apr
2 wk before
Stock
Matthiola incana
16 Feb – 2 Mar
6-8 wk
13 Apr
1 wk before
3 May
1 wk after
Wormwood
Artemisia absinthium
8 – 22 Feb
6-8 wk
5 Apr
2 wk before
3 May
1 wk after
Mexican sunflower
Tithonia rotundifolia
Season too short
13 – 27 Apr
4-6 wk
25 May
5 wk after
Pansy
Viola × wittrockiana
16 – 30 Jan
8-10 wk
27 Mar
4 wk before
28 Apr
1 wk after
Petunia
Petunia
Greenhouse
17 Feb – 17 Mar
8-12 wk
12 May
3 wk after
Scabious
Scabiosa atropurpurea
Fleece
9 – 23 Mar
6-8 wk
4 May
2 wk after
11 May
3 wk after
Zinnia
Zinnia elegans
Greenhouse
31 Mar – 14 Apr
4-6 wk
12 May
3 wk after
Common morning glory
Ipomoea purpurea
Season too short
20 Apr – 4 May
3-5 wk
25 May
5 wk after
Cosmos
Cosmos bipinnatus
Greenhouse
31 Mar – 14 Apr
4-6 wk
12 May
3 wk after
30 Apr
1 wk after
Scarlet milkweed
Asclepias curassavica
Season too short
14 Mar – 11 Apr
8-12 wk
6 Jun
7 wk after
Bee balm
Monarda didyma
26 Jan – 23 Feb
8-12 wk
20 Apr
Vid frost
15 May
3 wk after
Yarrow
Achillea millefolium
8 – 22 Feb
6-8 wk
5 Apr
2 wk before
3 May
1 wk after
Safflower
Carthamus tinctorius
5 Apr
2 wk before
16 Apr
1 wk before
Iceland poppy
Papaver nudicaule
30 Jan – 13 Feb
6-8 wk
27 Mar
4 wk before
12 Apr
2 wk before
Bishop's flower
Ammi majus
20 Mar – 3 Apr
4-6 wk
1 May
1 wk after
3 May
1 wk after
Drumsticks
Pycnosorus globosus
Season too short
2 – 16 Mar
10-12 wk
25 May
5 wk after
Sunflower
Helianthus annuus
Greenhouse
14 – 21 Apr
3-4 wk
12 May
3 wk after
19 Apr
China aster
Callistephus chinensis
Greenhouse
17 – 31 Mar
6-8 wk
12 May
3 wk after
30 Apr
1 wk after
Annual phlox
Phlox drummondii
Fleece
17 – 31 Mar
6-8 wk
12 May
3 wk after
11 May
3 wk after
Hollyhock
Alcea rosea
8 – 22 Feb
6-8 wk
5 Apr
2 wk before
3 May
1 wk after
Delphinium
Delphinium elatum
12 Feb – 12 Mar
8-12 wk
7 May
2 wk after
15 May
3 wk after
African marigold
Tagetes erecta
Greenhouse
17 – 31 Mar
6-8 wk
12 May
3 wk after
Black-eyed Susan
Rudbeckia hirta
25 Mar – 8 Apr
6-8 wk
20 May
4 wk after
31 May
5 wk after
Woodland sage
Salvia nemorosa
15 Feb – 1 Mar
8-10 wk
26 Apr
1 wk after
15 May
3 wk after
Black-eyed susan vine
Thunbergia alata
Season too short
16 Mar – 13 Apr
6-10 wk
25 May
5 wk after
California goldenpoppy
Eschscholzia californica
16 Apr
1 wk before
Painted tongue
Salpiglossis sinuata
Greenhouse
3 – 17 Mar
8-10 wk
12 May
3 wk after
Water forget-me-not
Myosotis scorpioides
8 – 22 Feb
6-8 wk
5 Apr
2 wk before
3 May
1 wk after
Current date Soon Date passed