Create your calendar
Method
Rel. frost
Last spring frost (0°C) 18 Mar Frost 9 of 10 years · 20 years of data
Frost-free season 225 days 18 Mar – 29 Oct
Probability that frost is over

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