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1.0°
Last 24h: Near frost recorded this morning at 07:00. Inspect for frost damage
Method
Rel. frost
Last spring frost (0°C) 4 Apr Normal year · 20 years of data
Frost-free season 222 days 4 Apr – 12 Nov
Probability that frost is over

50% = 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)
18 Mar – 1 Apr
5-7 wk
6 May
5 wk after
29 Mar
1 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
13 – 27 Mar
4-6 wk
24 Apr
3 wk after
29 Mar
1 wk before
Chili pepper
Capsicum annuum
Fleece
7 Mar – 4 Apr
8-12 wk
30 May
8 wk after
Kale
Brassica oleracea (Curly Kale-gruppen)
15 – 29 Jan
5-7 wk
5 Mar
4 wk before
22 Mar
2 wk before
Cucumber
Cucumis sativus
Fleece
2 – 9 May
3-4 wk
30 May
8 wk after
Florence Fennel
Foeniculum vulgare
Fleece
25 Apr – 2 May
4-5 wk
30 May
8 wk after
30 Apr
4 wk after
Butter bean
Phaseolus lunatus
Greenhouse
17 – 24 Apr
3-4 wk
15 May
6 wk after
Onion
Allium cepa (Cepa-gruppen)
10 Jan – 7 Feb
8-12 wk
4 Apr
Vid frost
17 Apr
2 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
17 Apr
2 wk after
17 Apr
2 wk after
Sweetcorn
Zea mays
Fleece
22 – 29 Apr
3-4 wk
20 May
7 wk after
Chard
Beta vulgaris (Flavescens-gruppen)
8 – 15 Apr
3-4 wk
6 May
5 wk after
17 Apr
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
22 Mar
2 wk before
Cavolo nero
Brassica oleracea (Palm Kale-gruppen)
15 – 29 Jan
5-7 wk
5 Mar
4 wk before
22 Mar
2 wk before
Potato
Solanum tuberosum
26 Feb – 12 Mar
4-6 wk
9 Apr
1 wk after
9 Apr
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
15 – 29 Jan
5-7 wk
5 Mar
4 wk before
29 Mar
1 wk before
Pumpkin
Cucurbita pepo
13 – 20 May
3-4 wk
10 Jun
10 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
8 – 15 Apr
3-4 wk
6 May
5 wk after
17 Apr
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
13 – 27 Mar
4-6 wk
24 Apr
3 wk after
Lettuce
Lactuca sativa
26 Feb – 5 Mar
3-4 wk
26 Mar
1 wk before
29 Mar
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
12 – 26 Feb
4-6 wk
26 Mar
1 wk before
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
22 Feb – 8 Mar
2-4 wk
22 Mar
2 wk before
22 Mar
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
29 Mar
1 wk before
29 Mar
1 wk before
Spinach
Spinacia oleracea
15 – 22 Feb
3-4 wk
15 Mar
3 wk before
15 Mar
3 wk before
Sweet potato
Ipomoea batatas
6 – 20 May
4-6 wk
17 Jun
11 wk after
Tomato
Solanum lycopersicum
4 – 18 Apr
6-8 wk
30 May
8 wk after
Tomatillo
Physalis ixocarpa
French bean
Phaseolus vulgaris
2 – 16 May
2-4 wk
30 May
8 wk after
15 May
6 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
13 – 27 Mar
4-6 wk
24 Apr
3 wk after
Pea
Pisum sativum
15 – 22 Feb
3-4 wk
15 Mar
3 wk before
29 Mar
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
8 – 22 Apr
4-6 wk
20 May
7 wk after
Lemon balm
Melissa officinalis
24 Jan – 7 Feb
8-10 wk
4 Apr
Vid frost
30 Apr
4 wk after
Dill
Anethum graveolens
29 Mar
1 wk before
Chives
Allium schoenoprasum
8 – 22 Jan
6-8 wk
5 Mar
4 wk before
29 Mar
1 wk before
Spearmint
Mentha spicata
21 Dec – 18 Jan
8-12 wk
15 Mar
3 wk before
30 Apr
4 wk after
Coriander
Coriandrum sativum
17 Apr
2 wk after
Sage
Salvia officinalis
25 Feb – 11 Mar
8-10 wk
6 May
5 wk after
Thyme
Thymus vulgaris
13 – 27 Feb
8-10 wk
24 Apr
3 wk after
Oregano
Origanum vulgare
16 Feb – 2 Mar
6-8 wk
13 Apr
1 wk after
30 Apr
4 wk after
Parsley
Petroselinum crispum
18 Jan – 1 Feb
6-8 wk
15 Mar
3 wk before
29 Mar
1 wk before
Rosemary
Salvia rosmarinus
28 Jan – 25 Feb
10-14 wk
6 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
2 – 9 May
3-4 wk
30 May
8 wk after
Cornflower
Centaurea cyanus
15 Mar
3 wk before
29 Mar
1 wk before
Statice
Limonium sinuatum
21 Mar – 4 Apr
8-10 wk
30 May
8 wk after
Sweet William
Dianthus barbatus
18 Jan – 1 Feb
6-8 wk
15 Mar
3 wk before
9 Apr
1 wk after
Snow-on-the-mountain
Euphorbia marginata
4 – 18 Apr
6-8 wk
30 May
8 wk after
17 Jun
11 wk after
Dahlia
Dahlia × pinnata
28 Mar – 11 Apr
6-8 wk
23 May
7 wk after
Dahlia (tubers)
Dahlia × pinnata
5 Mar – 2 Apr
4-8 wk
30 Apr
4 wk after
30 Apr
4 wk after
Foxglove
Digitalis purpurea
4 – 18 Jan
8-10 wk
15 Mar
3 wk before
17 Apr
2 wk after
Busy lizzie
Impatiens walleriana
18 Mar – 15 Apr
8-12 wk
10 Jun
10 wk after
Creeping zinnia
Sanvitalia procumbens
4 – 18 Apr
6-8 wk
30 May
8 wk after
Hyacinth bean
Dolichos lablab
Season too short
18 Apr – 2 May
4-6 wk
30 May
8 wk after
Chinese lantern
Physalis alkekengi
25 Feb – 11 Mar
8-10 wk
6 May
5 wk after
Love in a mist
Nigella damascena
29 Mar
1 wk before
Strawflower
Xerochrysum bracteatum
4 – 18 Apr
6-8 wk
30 May
8 wk after
17 Jun
11 wk after
Tall verbena
Verbena bonariensis
11 Feb – 11 Mar
8-12 wk
6 May
5 wk after
Cardoon
Cynara cardunculus
Greenhouse
5 Feb – 5 Mar
8-12 wk
30 Apr
4 wk after
Regal-foxtail
Ptilotus nobilis
Fleece
7 Mar – 4 Apr
8-12 wk
30 May
8 wk after
Globe amaranth
Gomphrena globosa
Fleece
4 – 18 Apr
6-8 wk
30 May
8 wk after
Corn poppy
Papaver rhoeas
29 Mar
1 wk before
Snapdragon
Antirrhinum majus
1 – 29 Jan
8-12 wk
26 Mar
1 wk before
9 Apr
1 wk after
Flossflower
Ageratum houstonianum
Fleece
21 Mar – 4 Apr
8-10 wk
30 May
8 wk after
Sweet pea
Lathyrus odoratus
18 Jan – 8 Feb
5-8 wk
15 Mar
3 wk before
Stock
Matthiola incana
29 Jan – 12 Feb
6-8 wk
26 Mar
1 wk before
17 Apr
2 wk after
Wormwood
Artemisia absinthium
18 Jan – 1 Feb
6-8 wk
15 Mar
3 wk before
17 Apr
2 wk after
Mexican sunflower
Tithonia rotundifolia
Fleece
18 Apr – 2 May
4-6 wk
30 May
8 wk after
Pansy
Viola × wittrockiana
25 Dec – 8 Jan
8-10 wk
5 Mar
4 wk before
9 Apr
1 wk after
Petunia
Petunia
7 Mar – 4 Apr
8-12 wk
30 May
8 wk after
Scabious
Scabiosa atropurpurea
11 – 25 Mar
6-8 wk
6 May
5 wk after
15 May
6 wk after
Zinnia
Zinnia elegans
18 Apr – 2 May
4-6 wk
30 May
8 wk after
Common morning glory
Ipomoea purpurea
Fleece
25 Apr – 9 May
3-5 wk
30 May
8 wk after
Cosmos
Cosmos bipinnatus
18 Apr – 2 May
4-6 wk
30 May
8 wk after
15 May
6 wk after
Scarlet milkweed
Asclepias curassavica
Greenhouse
7 Mar – 4 Apr
8-12 wk
30 May
8 wk after
Bee balm
Monarda didyma
10 Jan – 7 Feb
8-12 wk
4 Apr
Vid frost
30 Apr
4 wk after
Yarrow
Achillea millefolium
18 Jan – 1 Feb
6-8 wk
15 Mar
3 wk before
17 Apr
2 wk after
Safflower
Carthamus tinctorius
15 Mar
3 wk before
29 Mar
1 wk before
Iceland poppy
Papaver nudicaule
8 – 22 Jan
6-8 wk
5 Mar
4 wk before
22 Mar
2 wk before
Bishop's flower
Ammi majus
8 – 22 Mar
4-6 wk
19 Apr
2 wk after
17 Apr
2 wk after
Drumsticks
Pycnosorus globosus
Greenhouse
20 Feb – 6 Mar
10-12 wk
15 May
6 wk after
Sunflower
Helianthus annuus
2 – 9 May
3-4 wk
30 May
8 wk after
30 Apr
4 wk after
China aster
Callistephus chinensis
4 – 18 Apr
6-8 wk
30 May
8 wk after
15 May
6 wk after
Annual phlox
Phlox drummondii
20 Mar – 3 Apr
6-8 wk
15 May
6 wk after
15 May
6 wk after
Hollyhock
Alcea rosea
18 Jan – 1 Feb
6-8 wk
15 Mar
3 wk before
17 Apr
2 wk after
Delphinium
Delphinium elatum
30 Jan – 27 Feb
8-12 wk
24 Apr
3 wk after
30 Apr
4 wk after
African marigold
Tagetes erecta
4 – 18 Apr
6-8 wk
30 May
8 wk after
Black-eyed Susan
Rudbeckia hirta
11 – 25 Mar
6-8 wk
6 May
5 wk after
15 May
6 wk after
Woodland sage
Salvia nemorosa
2 – 16 Feb
8-10 wk
13 Apr
1 wk after
30 Apr
4 wk after
Black-eyed susan vine
Thunbergia alata
Fleece
21 Mar – 18 Apr
6-10 wk
30 May
8 wk after
California goldenpoppy
Eschscholzia californica
29 Mar
1 wk before
Painted tongue
Salpiglossis sinuata
21 Mar – 4 Apr
8-10 wk
30 May
8 wk after
Water forget-me-not
Myosotis scorpioides
18 Jan – 1 Feb
6-8 wk
15 Mar
3 wk before
17 Apr
2 wk after
Current date Soon Date passed