Create your calendar
Method
Rel. frost
Last spring frost (0°C) 25 Mar Frost 3 of 4 years · 20 years of data
Frost-free season 222 days 25 Mar – 2 Nov
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)
6 – 20 Mar
5-7 wk
24 Apr
5 wk after
21 Mar
1 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
28 Feb – 14 Mar
4-6 wk
11 Apr
3 wk after
21 Mar
1 wk before
Chili pepper
Capsicum annuum
Fleece
25 Feb – 25 Mar
8-12 wk
20 May
8 wk after
Kale
Brassica oleracea (Curly Kale-gruppen)
11 – 25 Jan
5-7 wk
1 Mar
4 wk before
17 Mar
2 wk before
Cucumber
Cucumis sativus
Fleece
22 – 29 Apr
3-4 wk
20 May
8 wk after
Florence Fennel
Foeniculum vulgare
Fleece
15 – 22 Apr
4-5 wk
20 May
8 wk after
20 Apr
4 wk after
Butter bean
Phaseolus lunatus
Greenhouse
7 – 14 Apr
3-4 wk
5 May
6 wk after
Onion
Allium cepa (Cepa-gruppen)
31 Dec – 28 Jan
8-12 wk
25 Mar
Vid frost
7 Apr
2 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
7 Apr
2 wk after
Sweetcorn
Zea mays
Fleece
12 – 19 Apr
3-4 wk
10 May
7 wk after
Chard
Beta vulgaris (Flavescens-gruppen)
27 Mar – 3 Apr
3-4 wk
24 Apr
5 wk after
7 Apr
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
17 Mar
2 wk before
Cavolo nero
Brassica oleracea (Palm Kale-gruppen)
11 – 25 Jan
5-7 wk
1 Mar
4 wk before
17 Mar
2 wk before
Potato
Solanum tuberosum
31 Mar – 14 Apr
4-6 wk
12 May
8 wk after
2 Apr
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
11 – 25 Jan
5-7 wk
1 Mar
4 wk before
21 Mar
1 wk before
Pumpkin
Cucurbita pepo
Fleece
22 – 29 Apr
3-4 wk
20 May
8 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
27 Mar – 3 Apr
3-4 wk
24 Apr
5 wk after
7 Apr
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
28 Feb – 14 Mar
4-6 wk
11 Apr
3 wk after
Lettuce
Lactuca sativa
18 – 25 Feb
3-4 wk
18 Mar
1 wk before
21 Mar
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
4 – 18 Feb
4-6 wk
18 Mar
1 wk before
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
10 – 24 Feb
2-4 wk
10 Mar
3 wk before
17 Mar
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
21 Mar
1 wk before
Spinach
Spinacia oleracea
10 – 17 Feb
3-4 wk
10 Mar
3 wk before
12 Mar
3 wk before
Sweet potato
Ipomoea batatas
12 – 26 Apr
4-6 wk
24 May
11 wk after
Tomato
Solanum lycopersicum
17 – 31 Mar
6-8 wk
12 May
8 wk after
Tomatillo
Physalis ixocarpa
French bean
Phaseolus vulgaris
14 – 28 Apr
2-4 wk
12 May
8 wk after
5 May
6 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
28 Feb – 14 Mar
4-6 wk
11 Apr
3 wk after
Pea
Pisum sativum
10 – 17 Feb
3-4 wk
10 Mar
3 wk before
21 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
29 Mar – 12 Apr
4-6 wk
10 May
7 wk after
Lemon balm
Melissa officinalis
14 – 28 Jan
8-10 wk
25 Mar
Vid frost
19 Apr
4 wk after
Dill
Anethum graveolens
21 Mar
1 wk before
Chives
Allium schoenoprasum
4 – 18 Jan
6-8 wk
1 Mar
4 wk before
21 Mar
1 wk before
Spearmint
Mentha spicata
16 Dec – 13 Jan
8-12 wk
10 Mar
3 wk before
19 Apr
4 wk after
Coriander
Coriandrum sativum
7 Apr
2 wk after
Sage
Salvia officinalis
13 – 27 Feb
8-10 wk
24 Apr
5 wk after
Thyme
Thymus vulgaris
31 Jan – 14 Feb
8-10 wk
11 Apr
3 wk after
Oregano
Origanum vulgare
3 – 17 Feb
6-8 wk
31 Mar
1 wk after
19 Apr
4 wk after
Parsley
Petroselinum crispum
13 – 27 Jan
6-8 wk
10 Mar
3 wk before
21 Mar
1 wk before
Rosemary
Salvia rosmarinus
16 Jan – 13 Feb
10-14 wk
24 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
22 – 29 Apr
3-4 wk
20 May
8 wk after
Cornflower
Centaurea cyanus
10 Mar
3 wk before
21 Mar
1 wk before
Statice
Limonium sinuatum
3 – 17 Mar
8-10 wk
12 May
8 wk after
Sweet William
Dianthus barbatus
13 – 27 Jan
6-8 wk
10 Mar
3 wk before
2 Apr
1 wk after
Snow-on-the-mountain
Euphorbia marginata
17 – 31 Mar
6-8 wk
12 May
8 wk after
4 Jun
11 wk after
Dahlia
Dahlia × pinnata
12 – 26 Mar
6-8 wk
7 May
7 wk after
Dahlia (tubers)
Dahlia × pinnata
12 Mar – 9 Apr
4-8 wk
7 May
7 wk after
19 Apr
4 wk after
Foxglove
Digitalis purpurea
30 Dec – 13 Jan
8-10 wk
10 Mar
3 wk before
7 Apr
2 wk after
Busy lizzie
Impatiens walleriana
25 Feb – 25 Mar
8-12 wk
20 May
10 wk after
Creeping zinnia
Sanvitalia procumbens
17 – 31 Mar
6-8 wk
12 May
8 wk after
Hyacinth bean
Dolichos lablab
Greenhouse
8 – 22 Apr
4-6 wk
20 May
8 wk after
Chinese lantern
Physalis alkekengi
13 – 27 Feb
8-10 wk
24 Apr
5 wk after
Love in a mist
Nigella damascena
21 Mar
1 wk before
Strawflower
Xerochrysum bracteatum
17 – 31 Mar
6-8 wk
12 May
8 wk after
4 Jun
11 wk after
Tall verbena
Verbena bonariensis
30 Jan – 27 Feb
8-12 wk
24 Apr
5 wk after
Cardoon
Cynara cardunculus
Fleece
10 Feb – 10 Mar
8-12 wk
5 May
6 wk after
Regal-foxtail
Ptilotus nobilis
Fleece
25 Feb – 25 Mar
8-12 wk
20 May
8 wk after
Globe amaranth
Gomphrena globosa
Fleece
25 Mar – 8 Apr
6-8 wk
20 May
8 wk after
Corn poppy
Papaver rhoeas
21 Mar
1 wk before
Snapdragon
Antirrhinum majus
24 Dec – 21 Jan
8-12 wk
18 Mar
1 wk before
2 Apr
1 wk after
Flossflower
Ageratum houstonianum
Fleece
11 – 25 Mar
8-10 wk
20 May
8 wk after
Sweet pea
Lathyrus odoratus
13 Jan – 3 Feb
5-8 wk
10 Mar
3 wk before
Stock
Matthiola incana
21 Jan – 4 Feb
6-8 wk
18 Mar
1 wk before
7 Apr
2 wk after
Wormwood
Artemisia absinthium
13 – 27 Jan
6-8 wk
10 Mar
3 wk before
7 Apr
2 wk after
Mexican sunflower
Tithonia rotundifolia
Fleece
8 – 22 Apr
4-6 wk
20 May
8 wk after
Pansy
Viola × wittrockiana
21 Dec – 4 Jan
8-10 wk
1 Mar
4 wk before
2 Apr
1 wk after
Petunia
Petunia
17 Feb – 17 Mar
8-12 wk
12 May
8 wk after
Scabious
Scabiosa atropurpurea
27 Feb – 13 Mar
6-8 wk
24 Apr
5 wk after
5 May
6 wk after
Zinnia
Zinnia elegans
31 Mar – 14 Apr
4-6 wk
12 May
8 wk after
Common morning glory
Ipomoea purpurea
Fleece
15 – 29 Apr
3-5 wk
20 May
8 wk after
Cosmos
Cosmos bipinnatus
31 Mar – 14 Apr
4-6 wk
12 May
8 wk after
5 May
6 wk after
Scarlet milkweed
Asclepias curassavica
Greenhouse
25 Feb – 25 Mar
8-12 wk
20 May
8 wk after
Bee balm
Monarda didyma
31 Dec – 28 Jan
8-12 wk
25 Mar
Vid frost
19 Apr
4 wk after
Yarrow
Achillea millefolium
13 – 27 Jan
6-8 wk
10 Mar
3 wk before
7 Apr
2 wk after
Safflower
Carthamus tinctorius
10 Mar
3 wk before
21 Mar
1 wk before
Iceland poppy
Papaver nudicaule
4 – 18 Jan
6-8 wk
1 Mar
4 wk before
17 Mar
2 wk before
Bishop's flower
Ammi majus
22 Feb – 8 Mar
4-6 wk
5 Apr
2 wk after
7 Apr
2 wk after
Drumsticks
Pycnosorus globosus
Fleece
25 Feb – 11 Mar
10-12 wk
20 May
8 wk after
Sunflower
Helianthus annuus
14 – 21 Apr
3-4 wk
12 May
8 wk after
19 Apr
4 wk after
China aster
Callistephus chinensis
17 – 31 Mar
6-8 wk
12 May
8 wk after
5 May
6 wk after
Annual phlox
Phlox drummondii
5 – 19 Mar
6-8 wk
30 Apr
6 wk after
5 May
6 wk after
Hollyhock
Alcea rosea
13 – 27 Jan
6-8 wk
10 Mar
3 wk before
7 Apr
2 wk after
Delphinium
Delphinium elatum
17 Jan – 14 Feb
8-12 wk
11 Apr
3 wk after
19 Apr
4 wk after
African marigold
Tagetes erecta
17 – 31 Mar
6-8 wk
12 May
8 wk after
Black-eyed Susan
Rudbeckia hirta
27 Feb – 13 Mar
6-8 wk
24 Apr
5 wk after
5 May
6 wk after
Woodland sage
Salvia nemorosa
20 Jan – 3 Feb
8-10 wk
31 Mar
1 wk after
19 Apr
4 wk after
Black-eyed susan vine
Thunbergia alata
Fleece
11 Mar – 8 Apr
6-10 wk
20 May
8 wk after
California goldenpoppy
Eschscholzia californica
21 Mar
1 wk before
Painted tongue
Salpiglossis sinuata
3 – 17 Mar
8-10 wk
12 May
8 wk after
Water forget-me-not
Myosotis scorpioides
13 – 27 Jan
6-8 wk
10 Mar
3 wk before
7 Apr
2 wk after
Current date Soon Date passed