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-4.9°
Moderate frost tomorrow morning at 07:00. Frost temperatures between 22:00 – tomorrow 10:00. Bring in or cover sensitive plants
-1.7°
Last 24h: Slight frost recorded this morning at 08:00. Inspect for frost damage
Method
Rel. frost
Last spring frost (0°C) 29 Apr Frost 9 of 10 years · 20 years of data
Frost-free season 158 days 29 Apr – 4 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)
Greenhouse
16 – 30 Mar
5-7 wk
4 May
1 wk after
17 Apr
2 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
4 – 18 Apr
4-6 wk
16 May
3 wk after
25 Apr
1 wk after
Chili pepper
Capsicum annuum
Greenhouse
13 Mar – 10 Apr
8-12 wk
5 Jun
5 wk after
Kale
Brassica oleracea (Curly Kale-gruppen)
15 Feb – 1 Mar
5-7 wk
5 Apr
3 wk before
21 Apr
Vid frost
Cucumber
Cucumis sativus
Greenhouse
8 – 15 May
3-4 wk
5 Jun
5 wk after
Florence Fennel
Foeniculum vulgare
Greenhouse
1 – 8 May
4-5 wk
5 Jun
5 wk after
20 May
3 wk after
Butter bean
Phaseolus lunatus
Season too short
20 – 27 May
3-4 wk
17 Jun
7 wk after
Onion
Allium cepa (Cepa-gruppen)
4 Feb – 4 Mar
8-12 wk
29 Apr
Vid frost
12 May
3 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
12 May
3 wk after
Sweetcorn
Zea mays
Greenhouse
12 – 19 May
3-4 wk
9 Jun
6 wk after
Chard
Beta vulgaris (Flavescens-gruppen)
1 – 8 May
3-4 wk
29 May
5 wk after
12 May
3 wk after
Carrot
Daucus carota subsp. sativus var. sativus
21 Apr
Vid frost
Cavolo nero
Brassica oleracea (Palm Kale-gruppen)
15 Feb – 1 Mar
5-7 wk
5 Apr
3 wk before
21 Apr
Vid frost
Potato
Solanum tuberosum
5 – 19 May
4-6 wk
16 Jun
7 wk after
7 May
2 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
15 Feb – 1 Mar
5-7 wk
5 Apr
3 wk before
25 Apr
1 wk after
Pumpkin
Cucurbita pepo
Greenhouse
8 – 15 May
3-4 wk
5 Jun
5 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
1 – 8 May
3-4 wk
29 May
5 wk after
12 May
3 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
4 – 18 Apr
4-6 wk
16 May
3 wk after
Lettuce
Lactuca sativa
25 Mar – 1 Apr
3-4 wk
22 Apr
1 wk before
25 Apr
1 wk after
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
11 – 25 Mar
4-6 wk
22 Apr
1 wk before
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
17 – 31 Mar
2-4 wk
14 Apr
2 wk before
21 Apr
Vid frost
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
25 Apr
1 wk after
Spinach
Spinacia oleracea
17 – 24 Mar
3-4 wk
14 Apr
2 wk before
16 Apr
1 wk before
Sweet potato
Ipomoea batatas
17 – 31 May
4-6 wk
28 Jun
8 wk after
Tomato
Solanum lycopersicum
Fleece
10 – 24 Apr
6-8 wk
5 Jun
5 wk after
Tomatillo
Physalis ixocarpa
French bean
Phaseolus vulgaris
Fleece
8 – 22 May
2-4 wk
5 Jun
5 wk after
3 Jun
5 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
4 – 18 Apr
4-6 wk
16 May
3 wk after
Pea
Pisum sativum
17 – 24 Mar
3-4 wk
14 Apr
2 wk before
25 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
28 Apr – 12 May
4-6 wk
9 Jun
6 wk after
Lemon balm
Melissa officinalis
18 Feb – 4 Mar
8-10 wk
29 Apr
Vid frost
24 May
5 wk after
Dill
Anethum graveolens
25 Apr
1 wk after
Chives
Allium schoenoprasum
8 – 22 Feb
6-8 wk
5 Apr
3 wk before
25 Apr
1 wk after
Spearmint
Mentha spicata
20 Jan – 17 Feb
8-12 wk
14 Apr
2 wk before
24 May
5 wk after
Coriander
Coriandrum sativum
12 May
3 wk after
Sage
Salvia officinalis
20 Mar – 3 Apr
8-10 wk
29 May
5 wk after
Thyme
Thymus vulgaris
7 – 21 Mar
8-10 wk
16 May
3 wk after
Oregano
Origanum vulgare
10 – 24 Mar
6-8 wk
5 May
1 wk after
24 May
5 wk after
Parsley
Petroselinum crispum
17 Feb – 3 Mar
6-8 wk
14 Apr
2 wk before
25 Apr
1 wk after
Rosemary
Salvia rosmarinus
Fleece
9 Feb – 9 Mar
10-14 wk
18 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
17 – 24 May
3-4 wk
14 Jun
7 wk after
Cornflower
Centaurea cyanus
14 Apr
2 wk before
25 Apr
1 wk after
Statice
Limonium sinuatum
Fleece
27 Mar – 10 Apr
8-10 wk
5 Jun
5 wk after
Sweet William
Dianthus barbatus
17 Feb – 3 Mar
6-8 wk
14 Apr
2 wk before
7 May
2 wk after
Snow-on-the-mountain
Euphorbia marginata
Fleece
10 – 24 Apr
6-8 wk
5 Jun
5 wk after
27 Jun
8 wk after
Dahlia
Dahlia × pinnata
Fleece
5 – 19 Apr
6-8 wk
31 May
5 wk after
Dahlia (tubers)
Dahlia × pinnata
16 Apr – 14 May
4-8 wk
11 Jun
6 wk after
24 May
5 wk after
Foxglove
Digitalis purpurea
3 – 17 Feb
8-10 wk
14 Apr
2 wk before
12 May
3 wk after
Busy lizzie
Impatiens walleriana
Fleece
22 Mar – 19 Apr
8-12 wk
14 Jun
7 wk after
Creeping zinnia
Sanvitalia procumbens
Fleece
10 – 24 Apr
6-8 wk
5 Jun
5 wk after
Hyacinth bean
Dolichos lablab
Season too short
3 – 17 May
4-6 wk
14 Jun
7 wk after
Chinese lantern
Physalis alkekengi
Fleece
9 – 23 Mar
8-10 wk
18 May
3 wk after
Love in a mist
Nigella damascena
25 Apr
1 wk after
Strawflower
Xerochrysum bracteatum
Fleece
10 – 24 Apr
6-8 wk
5 Jun
5 wk after
27 Jun
8 wk after
Tall verbena
Verbena bonariensis
Fleece
23 Feb – 23 Mar
8-12 wk
18 May
3 wk after
Cardoon
Cynara cardunculus
Season too short
1 – 29 Mar
8-12 wk
24 May
4 wk after
Regal-foxtail
Ptilotus nobilis
Greenhouse
13 Mar – 10 Apr
8-12 wk
5 Jun
5 wk after
Globe amaranth
Gomphrena globosa
Greenhouse
10 – 24 Apr
6-8 wk
5 Jun
5 wk after
Corn poppy
Papaver rhoeas
25 Apr
1 wk after
Snapdragon
Antirrhinum majus
28 Jan – 25 Feb
8-12 wk
22 Apr
1 wk before
7 May
2 wk after
Flossflower
Ageratum houstonianum
Greenhouse
27 Mar – 10 Apr
8-10 wk
5 Jun
5 wk after
Sweet pea
Lathyrus odoratus
17 Feb – 10 Mar
5-8 wk
14 Apr
2 wk before
Stock
Matthiola incana
25 Feb – 11 Mar
6-8 wk
22 Apr
1 wk before
12 May
3 wk after
Wormwood
Artemisia absinthium
17 Feb – 3 Mar
6-8 wk
14 Apr
2 wk before
12 May
3 wk after
Mexican sunflower
Tithonia rotundifolia
Greenhouse
24 Apr – 8 May
4-6 wk
5 Jun
5 wk after
Pansy
Viola × wittrockiana
25 Jan – 8 Feb
8-10 wk
5 Apr
3 wk before
7 May
2 wk after
Petunia
Petunia
Fleece
13 Mar – 10 Apr
8-12 wk
5 Jun
5 wk after
Scabious
Scabiosa atropurpurea
Fleece
23 Mar – 6 Apr
6-8 wk
18 May
3 wk after
3 Jun
5 wk after
Zinnia
Zinnia elegans
Fleece
24 Apr – 8 May
4-6 wk
5 Jun
5 wk after
Common morning glory
Ipomoea purpurea
Greenhouse
1 – 15 May
3-5 wk
5 Jun
5 wk after
Cosmos
Cosmos bipinnatus
Fleece
24 Apr – 8 May
4-6 wk
5 Jun
5 wk after
3 Jun
5 wk after
Scarlet milkweed
Asclepias curassavica
Season too short
22 Mar – 19 Apr
8-12 wk
14 Jun
7 wk after
Bee balm
Monarda didyma
4 Feb – 4 Mar
8-12 wk
29 Apr
Vid frost
24 May
5 wk after
Yarrow
Achillea millefolium
17 Feb – 3 Mar
6-8 wk
14 Apr
2 wk before
12 May
3 wk after
Safflower
Carthamus tinctorius
14 Apr
2 wk before
25 Apr
1 wk after
Iceland poppy
Papaver nudicaule
8 – 22 Feb
6-8 wk
5 Apr
3 wk before
21 Apr
Vid frost
Bishop's flower
Ammi majus
29 Mar – 12 Apr
4-6 wk
10 May
1 wk after
12 May
3 wk after
Drumsticks
Pycnosorus globosus
Season too short
13 – 27 Mar
10-12 wk
5 Jun
5 wk after
Sunflower
Helianthus annuus
Fleece
8 – 15 May
3-4 wk
5 Jun
5 wk after
20 May
3 wk after
China aster
Callistephus chinensis
Fleece
10 – 24 Apr
6-8 wk
5 Jun
5 wk after
3 Jun
5 wk after
Annual phlox
Phlox drummondii
9 – 23 Apr
6-8 wk
4 Jun
5 wk after
9 Jun
7 wk after
Hollyhock
Alcea rosea
17 Feb – 3 Mar
6-8 wk
14 Apr
2 wk before
12 May
3 wk after
Delphinium
Delphinium elatum
21 Feb – 21 Mar
8-12 wk
16 May
3 wk after
24 May
5 wk after
African marigold
Tagetes erecta
Fleece
10 – 24 Apr
6-8 wk
5 Jun
5 wk after
Black-eyed Susan
Rudbeckia hirta
3 – 17 Apr
6-8 wk
29 May
5 wk after
9 Jun
7 wk after
Woodland sage
Salvia nemorosa
24 Feb – 10 Mar
8-10 wk
5 May
1 wk after
24 May
5 wk after
Black-eyed susan vine
Thunbergia alata
Greenhouse
27 Mar – 24 Apr
6-10 wk
5 Jun
5 wk after
California goldenpoppy
Eschscholzia californica
25 Apr
1 wk after
Painted tongue
Salpiglossis sinuata
Fleece
27 Mar – 10 Apr
8-10 wk
5 Jun
5 wk after
Water forget-me-not
Myosotis scorpioides
17 Feb – 3 Mar
6-8 wk
14 Apr
2 wk before
12 May
3 wk after
Current date Soon Date passed