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Frost is lingering Last frost normally 25 Apr, The 10-day forecast shows frost Mon.
Method
Rel. frost
Last spring frost (0°C) 25 Apr Frost 1 of 4 years · 20 years of data
Frost-free season 206 days 25 Apr – 17 Nov
Probability that frost is over

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