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-3.0°
Slight frost tomorrow morning at 06:00. Frost temperatures between 21:00 – tomorrow 23:00. Bring in or cover sensitive plants
-0.8°
Last 24h: Slight frost recorded this morning at 06:00. Inspect for frost damage
Method
Rel. frost
Last spring frost (0°C) 2 May Frost 9 of 10 years · 20 years of data
Frost-free season 147 days 2 May – 26 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
19 Mar – 2 Apr
5-7 wk
7 May
1 wk after
20 Apr
2 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
7 – 21 Apr
4-6 wk
19 May
3 wk after
28 Apr
1 wk after
Chili pepper
Capsicum annuum
Season too short
16 Mar – 13 Apr
8-12 wk
8 Jun
5 wk after
Kale
Brassica oleracea (Curly Kale-gruppen)
18 Feb – 4 Mar
5-7 wk
8 Apr
3 wk before
24 Apr
Vid frost
Cucumber
Cucumis sativus
Season too short
11 – 18 May
3-4 wk
8 Jun
5 wk after
Florence Fennel
Foeniculum vulgare
Season too short
4 – 11 May
4-5 wk
8 Jun
5 wk after
23 May
3 wk after
Butter bean
Phaseolus lunatus
Season too short
23 – 30 May
3-4 wk
20 Jun
7 wk after
Onion
Allium cepa (Cepa-gruppen)
7 Feb – 7 Mar
8-12 wk
2 May
Vid frost
15 May
3 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
15 May
3 wk after
Sweetcorn
Zea mays
Greenhouse
15 – 22 May
3-4 wk
12 Jun
6 wk after
Chard
Beta vulgaris (Flavescens-gruppen)
4 – 11 May
3-4 wk
1 Jun
5 wk after
15 May
3 wk after
Carrot
Daucus carota subsp. sativus var. sativus
24 Apr
Vid frost
Cavolo nero
Brassica oleracea (Palm Kale-gruppen)
18 Feb – 4 Mar
5-7 wk
8 Apr
3 wk before
24 Apr
Vid frost
Potato
Solanum tuberosum
8 – 22 May
4-6 wk
19 Jun
7 wk after
10 May
2 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
18 Feb – 4 Mar
5-7 wk
8 Apr
3 wk before
28 Apr
1 wk after
Pumpkin
Cucurbita pepo
Season too short
11 – 18 May
3-4 wk
8 Jun
5 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
4 – 11 May
3-4 wk
1 Jun
5 wk after
15 May
3 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
7 – 21 Apr
4-6 wk
19 May
3 wk after
Lettuce
Lactuca sativa
28 Mar – 4 Apr
3-4 wk
25 Apr
1 wk before
28 Apr
1 wk after
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
14 – 28 Mar
4-6 wk
25 Apr
1 wk before
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
20 Mar – 3 Apr
2-4 wk
17 Apr
2 wk before
24 Apr
Vid frost
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
28 Apr
1 wk after
Spinach
Spinacia oleracea
20 – 27 Mar
3-4 wk
17 Apr
2 wk before
19 Apr
1 wk before
Sweet potato
Ipomoea batatas
20 May – 3 Jun
4-6 wk
1 Jul
8 wk after
Tomato
Solanum lycopersicum
Greenhouse
1 – 15 Apr
6-8 wk
27 May
4 wk after
Tomatillo
Physalis ixocarpa
French bean
Phaseolus vulgaris
Greenhouse
29 Apr – 13 May
2-4 wk
27 May
4 wk after
23 May
3 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
7 – 21 Apr
4-6 wk
19 May
3 wk after
Pea
Pisum sativum
20 – 27 Mar
3-4 wk
17 Apr
2 wk before
28 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
1 – 15 May
4-6 wk
12 Jun
6 wk after
Lemon balm
Melissa officinalis
21 Feb – 7 Mar
8-10 wk
2 May
Vid frost
27 May
5 wk after
Dill
Anethum graveolens
28 Apr
1 wk after
Chives
Allium schoenoprasum
11 – 25 Feb
6-8 wk
8 Apr
3 wk before
28 Apr
1 wk after
Spearmint
Mentha spicata
23 Jan – 20 Feb
8-12 wk
17 Apr
2 wk before
27 May
5 wk after
Coriander
Coriandrum sativum
15 May
3 wk after
Sage
Salvia officinalis
23 Mar – 6 Apr
8-10 wk
1 Jun
5 wk after
Thyme
Thymus vulgaris
10 – 24 Mar
8-10 wk
19 May
3 wk after
Oregano
Origanum vulgare
13 – 27 Mar
6-8 wk
8 May
1 wk after
27 May
5 wk after
Parsley
Petroselinum crispum
20 Feb – 6 Mar
6-8 wk
17 Apr
2 wk before
28 Apr
1 wk after
Rosemary
Salvia rosmarinus
Fleece
12 Feb – 12 Mar
10-14 wk
21 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
20 – 27 May
3-4 wk
17 Jun
7 wk after
Cornflower
Centaurea cyanus
17 Apr
2 wk before
28 Apr
1 wk after
Statice
Limonium sinuatum
Greenhouse
18 Mar – 1 Apr
8-10 wk
27 May
4 wk after
Sweet William
Dianthus barbatus
20 Feb – 6 Mar
6-8 wk
17 Apr
2 wk before
10 May
2 wk after
Snow-on-the-mountain
Euphorbia marginata
Greenhouse
1 – 15 Apr
6-8 wk
27 May
4 wk after
12 Jun
6 wk after
Dahlia
Dahlia × pinnata
Fleece
8 – 22 Apr
6-8 wk
3 Jun
5 wk after
Dahlia (tubers)
Dahlia × pinnata
19 Apr – 17 May
4-8 wk
14 Jun
6 wk after
27 May
5 wk after
Foxglove
Digitalis purpurea
6 – 20 Feb
8-10 wk
17 Apr
2 wk before
15 May
3 wk after
Busy lizzie
Impatiens walleriana
Greenhouse
16 Mar – 13 Apr
8-12 wk
8 Jun
5 wk after
Creeping zinnia
Sanvitalia procumbens
Greenhouse
1 – 15 Apr
6-8 wk
27 May
4 wk after
Hyacinth bean
Dolichos lablab
Season too short
6 – 20 May
4-6 wk
17 Jun
7 wk after
Chinese lantern
Physalis alkekengi
Fleece
12 – 26 Mar
8-10 wk
21 May
3 wk after
Love in a mist
Nigella damascena
28 Apr
1 wk after
Strawflower
Xerochrysum bracteatum
Greenhouse
1 – 15 Apr
6-8 wk
27 May
4 wk after
12 Jun
6 wk after
Tall verbena
Verbena bonariensis
Fleece
26 Feb – 26 Mar
8-12 wk
21 May
3 wk after
Cardoon
Cynara cardunculus
Season too short
4 Mar – 1 Apr
8-12 wk
27 May
4 wk after
Regal-foxtail
Ptilotus nobilis
Season too short
16 Mar – 13 Apr
8-12 wk
8 Jun
5 wk after
Globe amaranth
Gomphrena globosa
Season too short
13 – 27 Apr
6-8 wk
8 Jun
5 wk after
Corn poppy
Papaver rhoeas
28 Apr
1 wk after
Snapdragon
Antirrhinum majus
31 Jan – 28 Feb
8-12 wk
25 Apr
1 wk before
10 May
2 wk after
Flossflower
Ageratum houstonianum
Season too short
30 Mar – 13 Apr
8-10 wk
8 Jun
5 wk after
Sweet pea
Lathyrus odoratus
20 Feb – 13 Mar
5-8 wk
17 Apr
2 wk before
Stock
Matthiola incana
28 Feb – 14 Mar
6-8 wk
25 Apr
1 wk before
15 May
3 wk after
Wormwood
Artemisia absinthium
20 Feb – 6 Mar
6-8 wk
17 Apr
2 wk before
15 May
3 wk after
Mexican sunflower
Tithonia rotundifolia
Season too short
27 Apr – 11 May
4-6 wk
8 Jun
5 wk after
Pansy
Viola × wittrockiana
28 Jan – 11 Feb
8-10 wk
8 Apr
3 wk before
10 May
2 wk after
Petunia
Petunia
Greenhouse
4 Mar – 1 Apr
8-12 wk
27 May
4 wk after
Scabious
Scabiosa atropurpurea
Fleece
26 Mar – 9 Apr
6-8 wk
21 May
3 wk after
6 Jun
5 wk after
Zinnia
Zinnia elegans
Greenhouse
15 – 29 Apr
4-6 wk
27 May
4 wk after
Common morning glory
Ipomoea purpurea
Season too short
4 – 18 May
3-5 wk
8 Jun
5 wk after
Cosmos
Cosmos bipinnatus
Greenhouse
15 – 29 Apr
4-6 wk
27 May
4 wk after
23 May
3 wk after
Scarlet milkweed
Asclepias curassavica
Season too short
25 Mar – 22 Apr
8-12 wk
17 Jun
7 wk after
Bee balm
Monarda didyma
7 Feb – 7 Mar
8-12 wk
2 May
Vid frost
27 May
5 wk after
Yarrow
Achillea millefolium
20 Feb – 6 Mar
6-8 wk
17 Apr
2 wk before
15 May
3 wk after
Safflower
Carthamus tinctorius
17 Apr
2 wk before
28 Apr
1 wk after
Iceland poppy
Papaver nudicaule
11 – 25 Feb
6-8 wk
8 Apr
3 wk before
24 Apr
Vid frost
Bishop's flower
Ammi majus
1 – 15 Apr
4-6 wk
13 May
1 wk after
15 May
3 wk after
Drumsticks
Pycnosorus globosus
Season too short
16 – 30 Mar
10-12 wk
8 Jun
5 wk after
Sunflower
Helianthus annuus
Greenhouse
29 Apr – 6 May
3-4 wk
27 May
4 wk after
12 May
1 wk after
China aster
Callistephus chinensis
Greenhouse
1 – 15 Apr
6-8 wk
27 May
4 wk after
23 May
3 wk after
Annual phlox
Phlox drummondii
Fleece
1 – 15 Apr
6-8 wk
27 May
4 wk after
6 Jun
5 wk after
Hollyhock
Alcea rosea
20 Feb – 6 Mar
6-8 wk
17 Apr
2 wk before
15 May
3 wk after
Delphinium
Delphinium elatum
24 Feb – 24 Mar
8-12 wk
19 May
3 wk after
27 May
5 wk after
African marigold
Tagetes erecta
Greenhouse
1 – 15 Apr
6-8 wk
27 May
4 wk after
Black-eyed Susan
Rudbeckia hirta
6 – 20 Apr
6-8 wk
1 Jun
5 wk after
12 Jun
7 wk after
Woodland sage
Salvia nemorosa
27 Feb – 13 Mar
8-10 wk
8 May
1 wk after
27 May
5 wk after
Black-eyed susan vine
Thunbergia alata
Season too short
30 Mar – 27 Apr
6-10 wk
8 Jun
5 wk after
California goldenpoppy
Eschscholzia californica
28 Apr
1 wk after
Painted tongue
Salpiglossis sinuata
Greenhouse
18 Mar – 1 Apr
8-10 wk
27 May
4 wk after
Water forget-me-not
Myosotis scorpioides
20 Feb – 6 Mar
6-8 wk
17 Apr
2 wk before
15 May
3 wk after
Current date Soon Date passed