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No frost in sight Last frost normally in 5 days (13 Apr), but frost-free in the forecast.
Method
Rel. frost
Last spring frost (0°C) 13 Apr Frost 1 of 4 years · 20 years of data
Frost-free season 222 days 13 Apr – 21 Nov
Probability that frost is over

75% = 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)
25 Mar – 8 Apr
5-7 wk
13 May
5 wk after
9 Apr
1 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
19 Mar – 2 Apr
4-6 wk
30 Apr
3 wk after
9 Apr
1 wk before
Chili pepper
Capsicum annuum
Fleece
16 Mar – 13 Apr
8-12 wk
8 Jun
8 wk after
Kale
Brassica oleracea (Curly Kale-gruppen)
30 Jan – 13 Feb
5-7 wk
20 Mar
4 wk before
5 Apr
2 wk before
Cucumber
Cucumis sativus
Fleece
11 – 18 May
3-4 wk
8 Jun
8 wk after
Florence Fennel
Foeniculum vulgare
Fleece
4 – 11 May
4-5 wk
8 Jun
8 wk after
9 May
4 wk after
Butter bean
Phaseolus lunatus
Greenhouse
26 Apr – 3 May
3-4 wk
24 May
6 wk after
Onion
Allium cepa (Cepa-gruppen)
19 Jan – 16 Feb
8-12 wk
13 Apr
Vid frost
26 Apr
2 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
26 Apr
2 wk after
Sweetcorn
Zea mays
Fleece
1 – 8 May
3-4 wk
29 May
7 wk after
Chard
Beta vulgaris (Flavescens-gruppen)
15 – 22 Apr
3-4 wk
13 May
5 wk after
26 Apr
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
5 Apr
2 wk before
Cavolo nero
Brassica oleracea (Palm Kale-gruppen)
30 Jan – 13 Feb
5-7 wk
20 Mar
4 wk before
5 Apr
2 wk before
Potato
Solanum tuberosum
19 Apr – 3 May
4-6 wk
31 May
8 wk after
21 Apr
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
30 Jan – 13 Feb
5-7 wk
20 Mar
4 wk before
9 Apr
1 wk before
Pumpkin
Cucurbita pepo
Fleece
11 – 18 May
3-4 wk
8 Jun
8 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
15 – 22 Apr
3-4 wk
13 May
5 wk after
26 Apr
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
19 Mar – 2 Apr
4-6 wk
30 Apr
3 wk after
Lettuce
Lactuca sativa
9 – 16 Mar
3-4 wk
6 Apr
1 wk before
9 Apr
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
23 Feb – 9 Mar
4-6 wk
6 Apr
1 wk before
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
1 – 15 Mar
2-4 wk
29 Mar
3 wk before
5 Apr
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
9 Apr
1 wk before
Spinach
Spinacia oleracea
1 – 8 Mar
3-4 wk
29 Mar
3 wk before
31 Mar
3 wk before
Sweet potato
Ipomoea batatas
1 – 15 May
4-6 wk
12 Jun
11 wk after
Tomato
Solanum lycopersicum
5 – 19 Apr
6-8 wk
31 May
8 wk after
Tomatillo
Physalis ixocarpa
French bean
Phaseolus vulgaris
3 – 17 May
2-4 wk
31 May
8 wk after
24 May
6 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
19 Mar – 2 Apr
4-6 wk
30 Apr
3 wk after
Pea
Pisum sativum
1 – 8 Mar
3-4 wk
29 Mar
3 wk before
9 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
Fleece
17 Apr – 1 May
4-6 wk
29 May
7 wk after
Lemon balm
Melissa officinalis
2 – 16 Feb
8-10 wk
13 Apr
Vid frost
8 May
4 wk after
Dill
Anethum graveolens
9 Apr
1 wk before
Chives
Allium schoenoprasum
23 Jan – 6 Feb
6-8 wk
20 Mar
4 wk before
9 Apr
1 wk before
Spearmint
Mentha spicata
4 Jan – 1 Feb
8-12 wk
29 Mar
3 wk before
8 May
4 wk after
Coriander
Coriandrum sativum
26 Apr
2 wk after
Sage
Salvia officinalis
4 – 18 Mar
8-10 wk
13 May
5 wk after
Thyme
Thymus vulgaris
19 Feb – 5 Mar
8-10 wk
30 Apr
3 wk after
Oregano
Origanum vulgare
22 Feb – 8 Mar
6-8 wk
19 Apr
1 wk after
8 May
4 wk after
Parsley
Petroselinum crispum
1 – 15 Feb
6-8 wk
29 Mar
3 wk before
9 Apr
1 wk before
Rosemary
Salvia rosmarinus
4 Feb – 4 Mar
10-14 wk
13 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
11 – 18 May
3-4 wk
8 Jun
8 wk after
Cornflower
Centaurea cyanus
29 Mar
3 wk before
9 Apr
1 wk before
Statice
Limonium sinuatum
22 Mar – 5 Apr
8-10 wk
31 May
8 wk after
Sweet William
Dianthus barbatus
1 – 15 Feb
6-8 wk
29 Mar
3 wk before
21 Apr
1 wk after
Snow-on-the-mountain
Euphorbia marginata
5 – 19 Apr
6-8 wk
31 May
8 wk after
23 Jun
11 wk after
Dahlia
Dahlia × pinnata
31 Mar – 14 Apr
6-8 wk
26 May
7 wk after
Dahlia (tubers)
Dahlia × pinnata
31 Mar – 28 Apr
4-8 wk
26 May
7 wk after
8 May
4 wk after
Foxglove
Digitalis purpurea
18 Jan – 1 Feb
8-10 wk
29 Mar
3 wk before
26 Apr
2 wk after
Busy lizzie
Impatiens walleriana
16 Mar – 13 Apr
8-12 wk
8 Jun
10 wk after
Creeping zinnia
Sanvitalia procumbens
5 – 19 Apr
6-8 wk
31 May
8 wk after
Hyacinth bean
Dolichos lablab
Season too short
27 Apr – 11 May
4-6 wk
8 Jun
8 wk after
Chinese lantern
Physalis alkekengi
4 – 18 Mar
8-10 wk
13 May
5 wk after
Love in a mist
Nigella damascena
9 Apr
1 wk before
Strawflower
Xerochrysum bracteatum
5 – 19 Apr
6-8 wk
31 May
8 wk after
23 Jun
11 wk after
Tall verbena
Verbena bonariensis
18 Feb – 18 Mar
8-12 wk
13 May
5 wk after
Cardoon
Cynara cardunculus
Greenhouse
14 Feb – 14 Mar
8-12 wk
9 May
4 wk after
Regal-foxtail
Ptilotus nobilis
Fleece
16 Mar – 13 Apr
8-12 wk
8 Jun
8 wk after
Globe amaranth
Gomphrena globosa
Fleece
13 – 27 Apr
6-8 wk
8 Jun
8 wk after
Corn poppy
Papaver rhoeas
9 Apr
1 wk before
Snapdragon
Antirrhinum majus
12 Jan – 9 Feb
8-12 wk
6 Apr
1 wk before
21 Apr
1 wk after
Flossflower
Ageratum houstonianum
Fleece
30 Mar – 13 Apr
8-10 wk
8 Jun
8 wk after
Sweet pea
Lathyrus odoratus
1 – 22 Feb
5-8 wk
29 Mar
3 wk before
Stock
Matthiola incana
9 – 23 Feb
6-8 wk
6 Apr
1 wk before
26 Apr
2 wk after
Wormwood
Artemisia absinthium
1 – 15 Feb
6-8 wk
29 Mar
3 wk before
26 Apr
2 wk after
Mexican sunflower
Tithonia rotundifolia
Fleece
27 Apr – 11 May
4-6 wk
8 Jun
8 wk after
Pansy
Viola × wittrockiana
9 – 23 Jan
8-10 wk
20 Mar
4 wk before
21 Apr
1 wk after
Petunia
Petunia
8 Mar – 5 Apr
8-12 wk
31 May
8 wk after
Scabious
Scabiosa atropurpurea
18 Mar – 1 Apr
6-8 wk
13 May
5 wk after
24 May
6 wk after
Zinnia
Zinnia elegans
19 Apr – 3 May
4-6 wk
31 May
8 wk after
Common morning glory
Ipomoea purpurea
Fleece
4 – 18 May
3-5 wk
8 Jun
8 wk after
Cosmos
Cosmos bipinnatus
19 Apr – 3 May
4-6 wk
31 May
8 wk after
24 May
6 wk after
Scarlet milkweed
Asclepias curassavica
Greenhouse
16 Mar – 13 Apr
8-12 wk
8 Jun
8 wk after
Bee balm
Monarda didyma
19 Jan – 16 Feb
8-12 wk
13 Apr
Vid frost
8 May
4 wk after
Yarrow
Achillea millefolium
1 – 15 Feb
6-8 wk
29 Mar
3 wk before
26 Apr
2 wk after
Safflower
Carthamus tinctorius
29 Mar
3 wk before
9 Apr
1 wk before
Iceland poppy
Papaver nudicaule
23 Jan – 6 Feb
6-8 wk
20 Mar
4 wk before
5 Apr
2 wk before
Bishop's flower
Ammi majus
13 – 27 Mar
4-6 wk
24 Apr
2 wk after
26 Apr
2 wk after
Drumsticks
Pycnosorus globosus
Greenhouse
1 – 15 Mar
10-12 wk
24 May
6 wk after
Sunflower
Helianthus annuus
3 – 10 May
3-4 wk
31 May
8 wk after
8 May
4 wk after
China aster
Callistephus chinensis
5 – 19 Apr
6-8 wk
31 May
8 wk after
24 May
6 wk after
Annual phlox
Phlox drummondii
24 Mar – 7 Apr
6-8 wk
19 May
6 wk after
24 May
6 wk after
Hollyhock
Alcea rosea
1 – 15 Feb
6-8 wk
29 Mar
3 wk before
26 Apr
2 wk after
Delphinium
Delphinium elatum
5 Feb – 5 Mar
8-12 wk
30 Apr
3 wk after
8 May
4 wk after
African marigold
Tagetes erecta
5 – 19 Apr
6-8 wk
31 May
8 wk after
Black-eyed Susan
Rudbeckia hirta
18 Mar – 1 Apr
6-8 wk
13 May
5 wk after
24 May
6 wk after
Woodland sage
Salvia nemorosa
8 – 22 Feb
8-10 wk
19 Apr
1 wk after
8 May
4 wk after
Black-eyed susan vine
Thunbergia alata
Fleece
30 Mar – 27 Apr
6-10 wk
8 Jun
8 wk after
California goldenpoppy
Eschscholzia californica
9 Apr
1 wk before
Painted tongue
Salpiglossis sinuata
22 Mar – 5 Apr
8-10 wk
31 May
8 wk after
Water forget-me-not
Myosotis scorpioides
1 – 15 Feb
6-8 wk
29 Mar
3 wk before
26 Apr
2 wk after
Current date Soon Date passed