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0.7°
Near frost tomorrow morning at 06:00. Bring in or cover sensitive plants
Method
Rel. frost
Last spring frost (0°C) 4 Apr Frost 3 of 4 years · 20 years of data
Frost-free season 210 days 4 Apr – 31 Oct
Probability that frost is over

25% = 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)
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
Greenhouse
20 Feb – 20 Mar
8-12 wk
15 May
6 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
Greenhouse
17 – 24 Apr
3-4 wk
15 May
6 wk after
Florence Fennel
Foeniculum vulgare
Greenhouse
10 – 17 Apr
4-5 wk
15 May
6 wk after
17 Apr
2 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
Fleece
2 – 9 May
3-4 wk
30 May
8 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
Fleece
20 Mar – 3 Apr
6-8 wk
15 May
6 wk after
Tomatillo
Physalis ixocarpa
French bean
Phaseolus vulgaris
Fleece
17 Apr – 1 May
2-4 wk
15 May
6 wk after
30 Apr
4 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
Season too short
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
Fleece
6 – 20 Mar
8-10 wk
15 May
6 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
Fleece
20 Mar – 3 Apr
6-8 wk
15 May
6 wk after
20 May
7 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
Fleece
7 Mar – 4 Apr
8-12 wk
30 May
8 wk after
Creeping zinnia
Sanvitalia procumbens
Fleece
20 Mar – 3 Apr
6-8 wk
15 May
6 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
Fleece
20 Mar – 3 Apr
6-8 wk
15 May
6 wk after
20 May
7 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
Greenhouse
20 Feb – 20 Mar
8-12 wk
15 May
6 wk after
Globe amaranth
Gomphrena globosa
Greenhouse
20 Mar – 3 Apr
6-8 wk
15 May
6 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
Greenhouse
6 – 20 Mar
8-10 wk
15 May
6 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
Greenhouse
3 – 17 Apr
4-6 wk
15 May
6 wk after
Pansy
Viola × wittrockiana
25 Dec – 8 Jan
8-10 wk
5 Mar
4 wk before
9 Apr
1 wk after
Petunia
Petunia
Fleece
20 Feb – 20 Mar
8-12 wk
15 May
6 wk after
Scabious
Scabiosa atropurpurea
11 – 25 Mar
6-8 wk
6 May
5 wk after
15 May
6 wk after
Zinnia
Zinnia elegans
Fleece
3 – 17 Apr
4-6 wk
15 May
6 wk after
Common morning glory
Ipomoea purpurea
Greenhouse
10 – 24 Apr
3-5 wk
15 May
6 wk after
Cosmos
Cosmos bipinnatus
Fleece
3 – 17 Apr
4-6 wk
15 May
6 wk after
30 Apr
4 wk after
Scarlet milkweed
Asclepias curassavica
Season too short
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
Fleece
17 – 24 Apr
3-4 wk
15 May
6 wk after
17 Apr
2 wk after
China aster
Callistephus chinensis
Fleece
20 Mar – 3 Apr
6-8 wk
15 May
6 wk after
30 Apr
4 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
Fleece
20 Mar – 3 Apr
6-8 wk
15 May
6 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
Greenhouse
6 Mar – 3 Apr
6-10 wk
15 May
6 wk after
California goldenpoppy
Eschscholzia californica
29 Mar
1 wk before
Painted tongue
Salpiglossis sinuata
Fleece
6 – 20 Mar
8-10 wk
15 May
6 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