Create your calendar
Method
Rel. frost
Last spring frost (0°C) 19 Mar Normal year · 20 years of data
Frost-free season 260 days 19 Mar – 4 Dec

Vegetables

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