Create your calendar
Method
Rel. frost
Last spring frost (0°C) 24 Mar Frost 9 of 10 years · 20 years of data
Frost-free season 219 days 24 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)
5 – 19 Mar
5-7 wk
23 Apr
5 wk after
20 Mar
1 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
27 Feb – 13 Mar
4-6 wk
10 Apr
3 wk after
20 Mar
1 wk before
Chili pepper
Capsicum annuum
Fleece
24 Feb – 24 Mar
8-12 wk
19 May
8 wk after
Kale
Brassica oleracea (Curly Kale-gruppen)
10 – 24 Jan
5-7 wk
28 Feb
4 wk before
16 Mar
2 wk before
Cucumber
Cucumis sativus
Fleece
21 – 28 Apr
3-4 wk
19 May
8 wk after
Florence Fennel
Foeniculum vulgare
Fleece
14 – 21 Apr
4-5 wk
19 May
8 wk after
19 Apr
4 wk after
Butter bean
Phaseolus lunatus
Season too short
6 – 13 Apr
3-4 wk
4 May
6 wk after
Onion
Allium cepa (Cepa-gruppen)
30 Dec – 27 Jan
8-12 wk
24 Mar
Vid frost
6 Apr
2 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
Season too short
11 Mar
2 wk before
Sweetcorn
Zea mays
Season too short
29 Mar – 5 Apr
3-4 wk
26 Apr
5 wk after
Chard
Beta vulgaris (Flavescens-gruppen)
26 Mar – 2 Apr
3-4 wk
23 Apr
5 wk after
6 Apr
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
16 Mar
2 wk before
Cavolo nero
Brassica oleracea (Palm Kale-gruppen)
10 – 24 Jan
5-7 wk
28 Feb
4 wk before
16 Mar
2 wk before
Potato
Solanum tuberosum
Season too short
21 Jan – 4 Feb
4-6 wk
4 Mar
3 wk before
4 Mar
3 wk before
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
10 – 24 Jan
5-7 wk
28 Feb
4 wk before
20 Mar
1 wk before
Pumpkin
Cucurbita pepo
Fleece
21 – 28 Apr
3-4 wk
19 May
8 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
26 Mar – 2 Apr
3-4 wk
23 Apr
5 wk after
6 Apr
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
27 Feb – 13 Mar
4-6 wk
10 Apr
3 wk after
Lettuce
Lactuca sativa
17 – 24 Feb
3-4 wk
17 Mar
1 wk before
20 Mar
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
3 – 17 Feb
4-6 wk
17 Mar
1 wk before
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
Season too short
9 – 23 Jan
2-4 wk
6 Feb
7 wk before
6 Feb
7 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
Season too short
18 Feb
5 wk before
Spinach
Spinacia oleracea
9 – 16 Feb
3-4 wk
9 Mar
3 wk before
11 Mar
3 wk before
Sweet potato
Ipomoea batatas
11 – 25 Apr
4-6 wk
23 May
11 wk after
Tomato
Solanum lycopersicum
16 – 30 Mar
6-8 wk
11 May
8 wk after
Tomatillo
Physalis ixocarpa
French bean
Phaseolus vulgaris
13 – 27 Apr
2-4 wk
11 May
8 wk after
4 May
6 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
27 Feb – 13 Mar
4-6 wk
10 Apr
3 wk after
Pea
Pisum sativum
9 – 16 Feb
3-4 wk
9 Mar
3 wk before
20 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
15 – 29 Mar
4-6 wk
26 Apr
5 wk after
Lemon balm
Melissa officinalis
13 – 27 Jan
8-10 wk
24 Mar
Vid frost
18 Apr
4 wk after
Dill
Anethum graveolens
20 Mar
1 wk before
Chives
Allium schoenoprasum
3 – 17 Jan
6-8 wk
28 Feb
4 wk before
20 Mar
1 wk before
Spearmint
Mentha spicata
15 Dec – 12 Jan
8-12 wk
9 Mar
3 wk before
18 Apr
4 wk after
Coriander
Coriandrum sativum
6 Apr
2 wk after
Sage
Salvia officinalis
12 – 26 Feb
8-10 wk
23 Apr
5 wk after
Thyme
Thymus vulgaris
30 Jan – 13 Feb
8-10 wk
10 Apr
3 wk after
Oregano
Origanum vulgare
2 – 16 Feb
6-8 wk
30 Mar
1 wk after
18 Apr
4 wk after
Parsley
Petroselinum crispum
12 – 26 Jan
6-8 wk
9 Mar
3 wk before
20 Mar
1 wk before
Rosemary
Salvia rosmarinus
15 Jan – 12 Feb
10-14 wk
23 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
21 – 28 Apr
3-4 wk
19 May
8 wk after
Cornflower
Centaurea cyanus
9 Mar
3 wk before
20 Mar
1 wk before
Statice
Limonium sinuatum
2 – 16 Mar
8-10 wk
11 May
8 wk after
Sweet William
Dianthus barbatus
12 – 26 Jan
6-8 wk
9 Mar
3 wk before
1 Apr
1 wk after
Snow-on-the-mountain
Euphorbia marginata
16 – 30 Mar
6-8 wk
11 May
8 wk after
3 Jun
11 wk after
Dahlia
Dahlia × pinnata
11 – 25 Mar
6-8 wk
6 May
7 wk after
Dahlia (tubers)
Dahlia × pinnata
Season too short
26 Jan – 23 Feb
4-8 wk
23 Mar
23 Mar
Foxglove
Digitalis purpurea
29 Dec – 12 Jan
8-10 wk
9 Mar
3 wk before
6 Apr
2 wk after
Busy lizzie
Impatiens walleriana
24 Feb – 24 Mar
8-12 wk
19 May
10 wk after
Creeping zinnia
Sanvitalia procumbens
16 – 30 Mar
6-8 wk
11 May
8 wk after
Hyacinth bean
Dolichos lablab
Greenhouse
7 – 21 Apr
4-6 wk
19 May
8 wk after
Chinese lantern
Physalis alkekengi
12 – 26 Feb
8-10 wk
23 Apr
5 wk after
Love in a mist
Nigella damascena
20 Mar
1 wk before
Strawflower
Xerochrysum bracteatum
16 – 30 Mar
6-8 wk
11 May
8 wk after
3 Jun
11 wk after
Tall verbena
Verbena bonariensis
29 Jan – 26 Feb
8-12 wk
23 Apr
5 wk after
Cardoon
Cynara cardunculus
Fleece
9 Feb – 9 Mar
8-12 wk
4 May
6 wk after
Regal-foxtail
Ptilotus nobilis
Fleece
24 Feb – 24 Mar
8-12 wk
19 May
8 wk after
Globe amaranth
Gomphrena globosa
Fleece
24 Mar – 7 Apr
6-8 wk
19 May
8 wk after
Corn poppy
Papaver rhoeas
20 Mar
1 wk before
Snapdragon
Antirrhinum majus
23 Dec – 20 Jan
8-12 wk
17 Mar
1 wk before
1 Apr
1 wk after
Flossflower
Ageratum houstonianum
Fleece
10 – 24 Mar
8-10 wk
19 May
8 wk after
Sweet pea
Lathyrus odoratus
12 Jan – 2 Feb
5-8 wk
9 Mar
3 wk before
Stock
Matthiola incana
20 Jan – 3 Feb
6-8 wk
17 Mar
1 wk before
6 Apr
2 wk after
Wormwood
Artemisia absinthium
12 – 26 Jan
6-8 wk
9 Mar
3 wk before
6 Apr
2 wk after
Mexican sunflower
Tithonia rotundifolia
Fleece
7 – 21 Apr
4-6 wk
19 May
8 wk after
Pansy
Viola × wittrockiana
20 Dec – 3 Jan
8-10 wk
28 Feb
4 wk before
1 Apr
1 wk after
Petunia
Petunia
16 Feb – 16 Mar
8-12 wk
11 May
8 wk after
Scabious
Scabiosa atropurpurea
26 Feb – 12 Mar
6-8 wk
23 Apr
5 wk after
4 May
6 wk after
Zinnia
Zinnia elegans
30 Mar – 13 Apr
4-6 wk
11 May
8 wk after
Common morning glory
Ipomoea purpurea
Fleece
14 – 28 Apr
3-5 wk
19 May
8 wk after
Cosmos
Cosmos bipinnatus
30 Mar – 13 Apr
4-6 wk
11 May
8 wk after
4 May
6 wk after
Scarlet milkweed
Asclepias curassavica
Greenhouse
24 Feb – 24 Mar
8-12 wk
19 May
8 wk after
Bee balm
Monarda didyma
30 Dec – 27 Jan
8-12 wk
24 Mar
Vid frost
18 Apr
4 wk after
Yarrow
Achillea millefolium
12 – 26 Jan
6-8 wk
9 Mar
3 wk before
6 Apr
2 wk after
Safflower
Carthamus tinctorius
9 Mar
3 wk before
20 Mar
1 wk before
Iceland poppy
Papaver nudicaule
3 – 17 Jan
6-8 wk
28 Feb
4 wk before
16 Mar
2 wk before
Bishop's flower
Ammi majus
21 Feb – 7 Mar
4-6 wk
4 Apr
2 wk after
6 Apr
2 wk after
Drumsticks
Pycnosorus globosus
Fleece
24 Feb – 10 Mar
10-12 wk
19 May
8 wk after
Sunflower
Helianthus annuus
13 – 20 Apr
3-4 wk
11 May
8 wk after
18 Apr
4 wk after
China aster
Callistephus chinensis
16 – 30 Mar
6-8 wk
11 May
8 wk after
4 May
6 wk after
Annual phlox
Phlox drummondii
4 – 18 Mar
6-8 wk
29 Apr
6 wk after
4 May
6 wk after
Hollyhock
Alcea rosea
12 – 26 Jan
6-8 wk
9 Mar
3 wk before
6 Apr
2 wk after
Delphinium
Delphinium elatum
16 Jan – 13 Feb
8-12 wk
10 Apr
3 wk after
18 Apr
4 wk after
African marigold
Tagetes erecta
16 – 30 Mar
6-8 wk
11 May
8 wk after
Black-eyed Susan
Rudbeckia hirta
26 Feb – 12 Mar
6-8 wk
23 Apr
5 wk after
4 May
6 wk after
Woodland sage
Salvia nemorosa
19 Jan – 2 Feb
8-10 wk
30 Mar
1 wk after
18 Apr
4 wk after
Black-eyed susan vine
Thunbergia alata
Fleece
10 Mar – 7 Apr
6-10 wk
19 May
8 wk after
California goldenpoppy
Eschscholzia californica
20 Mar
1 wk before
Painted tongue
Salpiglossis sinuata
2 – 16 Mar
8-10 wk
11 May
8 wk after
Water forget-me-not
Myosotis scorpioides
12 – 26 Jan
6-8 wk
9 Mar
3 wk before
6 Apr
2 wk after
Current date Soon Date passed