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0.9°
Near frost tomorrow morning at 06:00. 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) 18 Apr Normal year · 20 years of data
Frost-free season 209 days 18 Apr – 13 Nov

Vegetables

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