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-2.8°
Slight frost tomorrow morning at 07:00. Frost temperatures between tomorrow 02:00 – 09:00. Bring in or cover sensitive plants
0.2°
Last 24h: Near frost recorded this morning at 07:00. Inspect for frost damage
Method
Rel. frost
Last spring frost (0°C) 27 Apr Frost 9 of 10 years · 20 years of data
Frost-free season 147 days 27 Apr – 21 Sep
Probability that frost is over

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