Create your calendar
Method
Rel. frost
Last spring frost (0°C) 20 Mar Frost 3 of 4 years · 20 years of data
Frost-free season 244 days 20 Mar – 19 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
Earliest Latest Growing time Earliest Latest Rel. frost Earliest Latest Rel. frost
Cauliflower
Brassica oleracea (Botrytis-gruppen)
30 Jan – 13 Feb
18 Jun
5-7 wk
20 Mar
23 Jul
0 wk
13 Mar
13 Jul
1 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
6 – 20 Feb
30 Jun
4-6 wk
20 Mar
28 Jul
0 wk
13 Mar
18 Jul
1 wk before
Chili pepper
Capsicum annuum
14 Feb – 14 Mar
15 Apr
8-12 wk
9 May
10 Jun
7 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
30 Jan – 13 Feb
13 Jun
5-7 wk
20 Mar
18 Jul
0 wk
8 Mar
8 Jul
2 wk before
Garden cucumber
Cucumis sativus
11 – 18 Apr
22 Jun
3-4 wk
9 May
13 Jul
7 wk after
Florence Fennel
Foeniculum vulgare
4 – 11 Apr
10 Jun
4-5 wk
9 May
8 Jul
7 wk after
25 Apr
28 Jun
5 wk after
Butter bean
Phaseolus lunatus
30 May – 6 Jun
3-4 wk
27 Jun
14 wk after
Onion
Allium cepa (Cepa-gruppen)
26 Dec – 23 Jan
3 Apr
8-12 wk
20 Mar
29 May
0 wk
30 Mar
19 May
1 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
13 Mar
18 Jun
1 wk before
13 Mar
8 Jun
1 wk before
Maize
Zea mays
30 Mar – 6 Apr
12 Jun
3-4 wk
27 Apr
3 Jul
5 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
22 Feb – 1 Mar
7 Jul
3-4 wk
22 Mar
28 Jul
0 wk
30 Mar
18 Jul
1 wk after
Carrot
Daucus carota subsp. sativus var. sativus
20 Mar
8 Jul
0 wk
8 Mar
28 Jun
2 wk before
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
30 Jan – 13 Feb
13 Jun
5-7 wk
20 Mar
18 Jul
0 wk
8 Mar
8 Jul
2 wk before
Potato
Solanum tuberosum
11 – 25 Feb
8 Jun
4-6 wk
25 Mar
6 Jul
1 wk after
25 Mar
26 Jun
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
30 Jan – 13 Feb
23 Jun
5-7 wk
20 Mar
28 Jul
0 wk
13 Mar
18 Jul
1 wk before
Pumpkin
Cucurbita pepo
11 – 18 Apr
7 Jul
3-4 wk
9 May
28 Jul
7 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
22 Feb – 1 Mar
18 Jun
3-4 wk
22 Mar
9 Jul
0 wk
30 Mar
29 Jun
1 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
6 – 20 Feb
25 Jun
4-6 wk
20 Mar
23 Jul
0 wk
Lettuce
Lactuca sativa
20 – 27 Feb
12 Jul
3-4 wk
20 Mar
2 Aug
0 wk
13 Mar
23 Jul
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
6 – 20 Feb
25 Jun
4-6 wk
20 Mar
23 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
8 – 22 Feb
4 Jun
2-4 wk
8 Mar
18 Jun
2 wk before
8 Mar
8 Jun
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
13 Mar
18 Jun
1 wk before
13 Mar
8 Jun
1 wk before
Spinach
Spinacia oleracea
20 – 27 Feb
27 Jul
3-4 wk
20 Mar
17 Aug
0 wk
2 Mar
7 Aug
3 wk before
Sweet potato
Ipomoea batatas
16 – 30 Apr
4-6 wk
28 May
10 wk after
Garden tomato
Solanum lycopersicum
2 – 16 Mar
22 May
6-8 wk
27 Apr
3 Jul
5 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
30 Mar – 13 Apr
9 Jul
2-4 wk
27 Apr
23 Jul
5 wk after
25 Apr
13 Jul
5 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
6 – 20 Feb
25 Jun
4-6 wk
20 Mar
23 Jul
0 wk
Garden pea
Pisum sativum
20 – 27 Feb
27 Jun
3-4 wk
20 Mar
18 Jul
0 wk
13 Mar
8 Jul
1 wk before

Herbs

Plant Sow indoors Transplant Direct sow
Earliest Latest Growing time Earliest Latest Rel. frost Earliest Latest Rel. frost
Basil
Ocimum basilicum
28 Mar – 11 Apr
15 Jun
4-6 wk
9 May
13 Jul
7 wk after
Lemon balm
Melissa officinalis
9 – 23 Jan
23 May
8-10 wk
20 Mar
18 Jul
0 wk
10 Apr
8 Jul
3 wk after
Dill
Anethum graveolens
13 Mar
28 Jul
1 wk before
Wild chives
Allium schoenoprasum
Season too short
23 Jan – 6 Feb
6 Jun
6-8 wk
20 Mar
18 Jul
0 wk
19 Feb
8 Jul
4 wk before
Spearmint
Mentha spicata
26 Dec – 23 Jan
23 May
8-12 wk
20 Mar
18 Jul
0 wk
10 Apr
8 Jul
3 wk after
Coriander
Coriandrum sativum
20 Mar
17 Aug
0 wk
30 Mar
7 Aug
1 wk after
Garden sage
Salvia officinalis
11 – 25 Jan
8 May
8-10 wk
22 Mar
3 Jul
0 wk
Common thyme
Thymus vulgaris
9 – 23 Jan
13 May
8-10 wk
20 Mar
8 Jul
0 wk
Oregano
Origanum vulgare
23 Jan – 6 Feb
27 May
6-8 wk
20 Mar
8 Jul
0 wk
10 Apr
28 Jun
3 wk after
Parsley
Petroselinum crispum
23 Jan – 6 Feb
27 May
6-8 wk
20 Mar
8 Jul
0 wk
13 Mar
28 Jun
1 wk before
Rosemary
Salvia rosmarinus
14 Dec – 11 Jan
9 Apr
10-14 wk
22 Mar
18 Jun
0 wk

Annual flowers

Plant Sow indoors Transplant Direct sow
Earliest Latest Growing time Earliest Latest Rel. frost Earliest Latest Rel. frost
Morning glory
Ipomoea tricolor
11 – 18 Apr
22 Jun
3-4 wk
9 May
13 Jul
7 wk after
Cornflower
Centaurea cyanus
20 Mar
18 Jul
0 wk
13 Mar
8 Jul
1 wk before
Statice
Limonium sinuatum
16 Feb – 2 Mar
13 May
8-10 wk
27 Apr
8 Jul
5 wk after
Sweet William
Dianthus barbatus
23 Jan – 6 Feb
6-8 wk
20 Mar
0 wk
25 Mar
1 wk after
Snow-on-the-mountain
Euphorbia marginata
2 – 16 Mar
27 May
6-8 wk
27 Apr
8 Jul
5 wk after
28 May
28 Jun
10 wk after
Pinnate dahlia
Dahlia × pinnata
23 Feb – 9 Mar
27 May
6-8 wk
20 Apr
8 Jul
4 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
13 Feb – 13 Mar
10 Jun
4-8 wk
10 Apr
8 Jul
3 wk after
10 Apr
28 Jun
3 wk after
Foxglove
Digitalis purpurea
9 – 23 Jan
8-10 wk
20 Mar
0 wk
30 Mar
1 wk after
Busy lizzie
Impatiens walleriana
14 Feb – 14 Mar
8 Jul
8-12 wk
9 May
2 Sep
7 wk after
Creeping zinnia
Sanvitalia procumbens
2 – 16 Mar
6 Jun
6-8 wk
27 Apr
18 Jul
5 wk after
Hyacinth bean
Dolichos lablab
17 Apr – 1 May
6 May
4-6 wk
29 May
3 Jun
10 wk after
Chinese lantern
Physalis alkekengi
11 – 25 Jan
23 Apr
8-10 wk
22 Mar
18 Jun
0 wk
Love in a mist
Nigella damascena
20 Mar
3 Jul
0 wk
13 Mar
23 Jun
1 wk before
Strawflower
Xerochrysum bracteatum
2 – 16 Mar
17 May
6-8 wk
27 Apr
28 Jun
5 wk after
28 May
18 Jun
10 wk after
Purple-top vervain
Verbena bonariensis
28 Dec – 25 Jan
23 Apr
8-12 wk
22 Mar
18 Jun
0 wk
Cardoon
Cynara cardunculus
2 Feb – 2 Mar
24 Mar
8-12 wk
27 Apr
19 May
5 wk after
Regal-foxtail
Ptilotus nobilis
14 Feb – 14 Mar
8 May
8-12 wk
9 May
3 Jul
7 wk after
Globe amaranth
Gomphrena globosa
14 – 28 Mar
22 May
6-8 wk
9 May
3 Jul
7 wk after
Corn poppy
Papaver rhoeas
20 Mar
18 Jul
0 wk
13 Mar
8 Jul
1 wk before
Snapdragon
Antirrhinum majus
26 Dec – 23 Jan
13 May
8-12 wk
20 Mar
8 Jul
0 wk
25 Mar
28 Jun
1 wk after
Flossflower
Ageratum houstonianum
28 Feb – 14 Mar
23 May
8-10 wk
9 May
18 Jul
7 wk after
Sweet pea
Lathyrus odoratus
23 Jan – 13 Feb
3 Jun
5-8 wk
20 Mar
8 Jul
0 wk
Stock
Matthiola incana
23 Jan – 6 Feb
6 Jun
6-8 wk
20 Mar
18 Jul
0 wk
30 Mar
8 Jul
1 wk after
Wormwood
Artemisia absinthium
23 Jan – 6 Feb
7 May
6-8 wk
20 Mar
18 Jun
0 wk
30 Mar
8 Jun
1 wk after
Mexican sunflower
Tithonia rotundifolia
28 Mar – 11 Apr
31 May
4-6 wk
9 May
28 Jun
7 wk after
Garden pansy
Viola × wittrockiana
9 – 23 Jan
23 May
8-10 wk
20 Mar
18 Jul
0 wk
25 Mar
8 Jul
1 wk after
Petunia
Petunia
2 Feb – 2 Mar
13 May
8-12 wk
27 Apr
8 Jul
5 wk after
Sweet Scabious
Scabiosa atropurpurea
25 Jan – 8 Feb
7 May
6-8 wk
22 Mar
18 Jun
0 wk
25 Apr
8 Jun
5 wk after
Common zinnia
Zinnia elegans
16 – 30 Mar
20 Jun
4-6 wk
27 Apr
18 Jul
5 wk after
Common morning glory
Ipomoea purpurea
4 – 18 Apr
22 Jun
3-5 wk
9 May
13 Jul
7 wk after
Garden cosmos
Cosmos bipinnatus
16 – 30 Mar
10 Jun
4-6 wk
27 Apr
8 Jul
5 wk after
25 Apr
28 Jun
5 wk after
Scarlet milkweed
Asclepias curassavica
6 Mar – 3 Apr
7 Jun
8-12 wk
29 May
2 Aug
10 wk after
Bee balm
Monarda didyma
26 Dec – 23 Jan
23 Apr
8-12 wk
20 Mar
18 Jun
0 wk
10 Apr
8 Jun
3 wk after
Yarrow
Achillea millefolium
23 Jan – 6 Feb
7 Apr
6-8 wk
20 Mar
19 May
0 wk
30 Mar
9 May
1 wk after
Safflower
Carthamus tinctorius
20 Mar
18 Jun
0 wk
13 Mar
8 Jun
1 wk before
Iceland poppy
Papaver nudicaule
Season too short
23 Jan – 6 Feb
27 May
6-8 wk
20 Mar
8 Jul
0 wk
9 Feb
28 Jun
6 wk before
Bishop's flower
Ammi majus
6 – 20 Feb
10 Jun
4-6 wk
20 Mar
8 Jul
0 wk
30 Mar
28 Jun
1 wk after
Drumsticks
Pycnosorus globosus
14 – 28 Feb
9 Apr
10-12 wk
9 May
18 Jun
7 wk after
Sunflower
Helianthus annuus
30 Mar – 6 Apr
17 Jun
3-4 wk
27 Apr
8 Jul
5 wk after
10 Apr
28 Jun
3 wk after
China aster
Callistephus chinensis
2 – 16 Mar
6 Jun
6-8 wk
27 Apr
18 Jul
5 wk after
25 Apr
8 Jul
5 wk after
Annual phlox
Phlox drummondii
16 Feb – 2 Mar
6 Jun
6-8 wk
13 Apr
18 Jul
3 wk after
25 Apr
8 Jul
5 wk after
Hollyhock
Alcea rosea
23 Jan – 6 Feb
6-8 wk
20 Mar
0 wk
30 Mar
1 wk after
Alpine delphinium
Delphinium elatum
26 Dec – 23 Jan
23 Apr
8-12 wk
20 Mar
18 Jun
0 wk
10 Apr
8 Jun
3 wk after
African marigold
Tagetes erecta
2 – 16 Mar
6 Jun
6-8 wk
27 Apr
18 Jul
5 wk after
Black-eyed Susan
Rudbeckia hirta
25 Jan – 8 Feb
27 May
6-8 wk
22 Mar
8 Jul
0 wk
25 Apr
28 Jun
5 wk after
Wood sage
Salvia nemorosa
9 – 23 Jan
13 Apr
8-10 wk
20 Mar
8 Jun
0 wk
10 Apr
29 May
3 wk after
Black-eyed susan vine
Thunbergia alata
28 Feb – 28 Mar
1 Jun
6-10 wk
9 May
13 Jul
7 wk after
California goldenpoppy
Eschscholzia californica
20 Mar
18 Jul
0 wk
13 Mar
8 Jul
1 wk before
Painted tongue
Salpiglossis sinuata
16 Feb – 2 Mar
13 May
8-10 wk
27 Apr
8 Jul
5 wk after
Water forget-me-not
Myosotis scorpioides
Season too short
23 Jan – 6 Feb
7 May
6-8 wk
20 Mar
18 Jun
0 wk
8 Mar
8 Jun
2 wk before