Create your calendar
Method
Rel. frost
Last spring frost (0°C) 27 May Frost 1 of 10 years · 20 years of data
Frost-free season 141 days 27 May – 15 Oct
Probability that frost is over

90% = 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)
8 – 22 Apr
20 Jun
5-7 wk
27 May
25 Jul
0 wk
21 May
15 Jul
1 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
15 – 29 Apr
2 Jul
4-6 wk
27 May
30 Jul
0 wk
21 May
20 Jul
1 wk before
Chili pepper
Capsicum annuum
Season too short
10 Mar – 7 Apr
8-12 wk
2 Jun
1 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
8 – 22 Apr
15 Jun
5-7 wk
27 May
20 Jul
0 wk
14 May
10 Jul
2 wk before
Garden cucumber
Cucumis sativus
Greenhouse
5 – 12 May
25 May
3-4 wk
2 Jun
15 Jun
1 wk after
Florence Fennel
Foeniculum vulgare
24 – 31 May
12 Jun
4-5 wk
28 Jun
10 Jul
5 wk after
7 Jul
6 wk after
Butter bean
Phaseolus lunatus
Season too short
7 – 14 Jun
3-4 wk
5 Jul
6 wk after
Onion
Allium cepa (Cepa-gruppen)
4 Mar – 1 Apr
5 Apr
8-12 wk
27 May
31 May
0 wk
9 Jun
2 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
21 May
20 Jun
1 wk before
21 May
10 Jun
1 wk before
Maize
Zea mays
Greenhouse
29 Apr – 6 May
15 May
3-4 wk
27 May
5 Jun
0 wk
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
1 – 8 May
9 Jul
3-4 wk
29 May
30 Jul
0 wk
9 Jun
20 Jul
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
27 May
10 Jul
0 wk
14 May
30 Jun
2 wk before
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
8 – 22 Apr
15 Jun
5-7 wk
27 May
20 Jul
0 wk
14 May
10 Jul
2 wk before
Potato
Solanum tuberosum
20 Apr – 4 May
12 Jun
4-6 wk
1 Jun
10 Jul
1 wk after
1 Jun
30 Jun
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
8 – 22 Apr
25 Jun
5-7 wk
27 May
30 Jul
0 wk
21 May
20 Jul
1 wk before
Pumpkin
Cucurbita pepo
Fleece
12 – 19 May
30 May
3-4 wk
9 Jun
20 Jun
2 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
1 – 8 May
30 Jun
3-4 wk
29 May
21 Jul
0 wk
9 Jun
11 Jul
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
15 – 29 Apr
27 Jun
4-6 wk
27 May
25 Jul
0 wk
Lettuce
Lactuca sativa
29 Apr – 6 May
14 Jul
3-4 wk
27 May
4 Aug
0 wk
21 May
25 Jul
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
15 – 29 Apr
27 Jun
4-6 wk
27 May
25 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
16 – 30 Apr
6 Jun
2-4 wk
14 May
20 Jun
2 wk before
14 May
10 Jun
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
21 May
20 Jun
1 wk before
21 May
10 Jun
1 wk before
Spinach
Spinacia oleracea
29 Apr – 6 May
29 Jul
3-4 wk
27 May
19 Aug
0 wk
7 May
9 Aug
3 wk before
Sweet potato
Ipomoea batatas
28 Jun – 12 Jul
4-6 wk
9 Aug
11 wk after
Garden tomato
Solanum lycopersicum
Greenhouse
1 – 15 Apr
24 Apr
6-8 wk
27 May
5 Jun
0 wk
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Fleece
5 – 19 May
1 Jun
2-4 wk
2 Jun
15 Jun
1 wk after
22 Jun
4 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
15 – 29 Apr
27 Jun
4-6 wk
27 May
25 Jul
0 wk
Garden pea
Pisum sativum
29 Apr – 6 May
29 Jun
3-4 wk
27 May
20 Jul
0 wk
21 May
10 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
Fleece
28 Apr – 12 May
8 May
4-6 wk
9 Jun
2 wk after
Lemon balm
Melissa officinalis
18 Mar – 1 Apr
25 May
8-10 wk
27 May
20 Jul
0 wk
22 Jun
10 Jul
4 wk after
Dill
Anethum graveolens
21 May
30 Jul
1 wk before
Wild chives
Allium schoenoprasum
1 – 15 Apr
8 Jun
6-8 wk
27 May
20 Jul
0 wk
21 May
10 Jul
1 wk before
Spearmint
Mentha spicata
4 Mar – 1 Apr
25 May
8-12 wk
27 May
20 Jul
0 wk
22 Jun
10 Jul
4 wk after
Coriander
Coriandrum sativum
27 May
19 Aug
0 wk
9 Jun
9 Aug
2 wk after
Garden sage
Salvia officinalis
20 Mar – 3 Apr
10 May
8-10 wk
29 May
5 Jul
0 wk
Common thyme
Thymus vulgaris
18 Mar – 1 Apr
15 May
8-10 wk
27 May
10 Jul
0 wk
Oregano
Origanum vulgare
1 – 15 Apr
29 May
6-8 wk
27 May
10 Jul
0 wk
22 Jun
30 Jun
4 wk after
Parsley
Petroselinum crispum
1 – 15 Apr
29 May
6-8 wk
27 May
10 Jul
0 wk
21 May
30 Jun
1 wk before
Rosemary
Salvia rosmarinus
20 Feb – 20 Mar
11 Apr
10-14 wk
29 May
20 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
Fleece
12 – 19 May
15 May
3-4 wk
9 Jun
2 wk after
Cornflower
Centaurea cyanus
27 May
20 Jul
0 wk
21 May
10 Jul
1 wk before
Statice
Limonium sinuatum
31 Mar – 14 Apr
6 Apr
8-10 wk
9 Jun
2 wk after
Sweet William
Dianthus barbatus
1 – 15 Apr
6-8 wk
27 May
0 wk
1 Jun
1 wk after
Snow-on-the-mountain
Euphorbia marginata
14 – 28 Apr
20 Apr
6-8 wk
9 Jun
2 wk after
9 Aug
11 wk after
Pinnate dahlia
Dahlia × pinnata
12 – 26 Apr
29 Apr
6-8 wk
7 Jun
10 Jun
2 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
27 Apr – 25 May
13 May
4-8 wk
22 Jun
4 wk after
22 Jun
4 wk after
Foxglove
Digitalis purpurea
18 Mar – 1 Apr
8-10 wk
27 May
0 wk
9 Jun
2 wk after
Busy lizzie
Impatiens walleriana
5 Apr – 3 May
26 May
8-12 wk
28 Jun
21 Jul
5 wk after
Creeping zinnia
Sanvitalia procumbens
14 – 28 Apr
30 Apr
6-8 wk
9 Jun
11 Jun
2 wk after
Hyacinth bean
Dolichos lablab
Season too short
28 Apr – 12 May
4-6 wk
9 Jun
2 wk after
Chinese lantern
Physalis alkekengi
20 Mar – 3 Apr
25 Apr
8-10 wk
29 May
20 Jun
0 wk
Love in a mist
Nigella damascena
27 May
5 Jul
0 wk
21 May
25 Jun
1 wk before
Strawflower
Xerochrysum bracteatum
14 – 28 Apr
6-8 wk
9 Jun
2 wk after
9 Aug
11 wk after
Purple-top vervain
Verbena bonariensis
6 Mar – 3 Apr
25 Apr
8-12 wk
29 May
20 Jun
0 wk
Cardoon
Cynara cardunculus
17 Mar – 14 Apr
26 Mar
8-12 wk
9 Jun
2 wk after
Regal-foxtail
Ptilotus nobilis
Fleece
17 Mar – 14 Apr
31 Mar
8-12 wk
9 Jun
2 wk after
Globe amaranth
Gomphrena globosa
Fleece
14 – 28 Apr
14 Apr
6-8 wk
9 Jun
2 wk after
Corn poppy
Papaver rhoeas
27 May
20 Jul
0 wk
21 May
10 Jul
1 wk before
Snapdragon
Antirrhinum majus
4 Mar – 1 Apr
15 May
8-12 wk
27 May
10 Jul
0 wk
1 Jun
30 Jun
1 wk after
Flossflower
Ageratum houstonianum
19 Apr – 3 May
8-10 wk
28 Jun
5 wk after
Sweet pea
Lathyrus odoratus
1 – 22 Apr
5 Jun
5-8 wk
27 May
10 Jul
0 wk
Stock
Matthiola incana
1 – 15 Apr
8 Jun
6-8 wk
27 May
20 Jul
0 wk
9 Jun
10 Jul
2 wk after
Wormwood
Artemisia absinthium
1 – 15 Apr
9 May
6-8 wk
27 May
20 Jun
0 wk
9 Jun
10 Jun
2 wk after
Mexican sunflower
Tithonia rotundifolia
Fleece
28 Apr – 12 May
4-6 wk
9 Jun
2 wk after
Garden pansy
Viola × wittrockiana
18 Mar – 1 Apr
25 May
8-10 wk
27 May
20 Jul
0 wk
1 Jun
10 Jul
1 wk after
Petunia
Petunia
17 Mar – 14 Apr
6 Apr
8-12 wk
9 Jun
2 wk after
Sweet Scabious
Scabiosa atropurpurea
3 – 17 Apr
9 May
6-8 wk
29 May
20 Jun
0 wk
7 Jul
6 wk after
Common zinnia
Zinnia elegans
28 Apr – 12 May
8 May
4-6 wk
9 Jun
2 wk after
Common morning glory
Ipomoea purpurea
Fleece
5 – 19 May
15 May
3-5 wk
9 Jun
2 wk after
Garden cosmos
Cosmos bipinnatus
28 Apr – 12 May
13 May
4-6 wk
9 Jun
10 Jun
2 wk after
7 Jul
6 wk after
Scarlet milkweed
Asclepias curassavica
Fleece
5 Apr – 3 May
30 Apr
8-12 wk
28 Jun
5 wk after
Bee balm
Monarda didyma
4 Mar – 1 Apr
25 Apr
8-12 wk
27 May
20 Jun
0 wk
22 Jun
4 wk after
Yarrow
Achillea millefolium
1 – 15 Apr
9 Apr
6-8 wk
27 May
0 wk
9 Jun
2 wk after
Safflower
Carthamus tinctorius
27 May
20 Jun
0 wk
21 May
10 Jun
1 wk before
Iceland poppy
Papaver nudicaule
Season too short
1 – 15 Apr
29 May
6-8 wk
27 May
10 Jul
0 wk
11 Apr
30 Jun
7 wk before
Bishop's flower
Ammi majus
15 – 29 Apr
12 Jun
4-6 wk
27 May
10 Jul
0 wk
9 Jun
30 Jun
2 wk after
Drumsticks
Pycnosorus globosus
Fleece
17 – 31 Mar
10-12 wk
9 Jun
2 wk after
Sunflower
Helianthus annuus
12 – 19 May
19 Jun
3-4 wk
9 Jun
10 Jul
2 wk after
22 Jun
30 Jun
4 wk after
China aster
Callistephus chinensis
14 – 28 Apr
8 Jun
6-8 wk
9 Jun
20 Jul
2 wk after
7 Jul
10 Jul
6 wk after
Annual phlox
Phlox drummondii
7 – 21 Apr
30 Apr
6-8 wk
2 Jun
11 Jun
1 wk after
7 Jul
6 wk after
Hollyhock
Alcea rosea
1 – 15 Apr
6-8 wk
27 May
0 wk
9 Jun
2 wk after
Alpine delphinium
Delphinium elatum
4 Mar – 1 Apr
25 Apr
8-12 wk
27 May
20 Jun
0 wk
22 Jun
4 wk after
African marigold
Tagetes erecta
14 – 28 Apr
30 Apr
6-8 wk
9 Jun
11 Jun
2 wk after
Black-eyed Susan
Rudbeckia hirta
3 – 17 Apr
29 May
6-8 wk
29 May
10 Jul
0 wk
7 Jul
6 wk after
Wood sage
Salvia nemorosa
18 Mar – 1 Apr
15 Apr
8-10 wk
27 May
10 Jun
0 wk
22 Jun
4 wk after
Black-eyed susan vine
Thunbergia alata
Fleece
31 Mar – 28 Apr
24 Apr
6-10 wk
9 Jun
2 wk after
California goldenpoppy
Eschscholzia californica
27 May
20 Jul
0 wk
21 May
10 Jul
1 wk before
Painted tongue
Salpiglossis sinuata
31 Mar – 14 Apr
15 May
8-10 wk
9 Jun
10 Jul
2 wk after
Water forget-me-not
Myosotis scorpioides
1 – 15 Apr
9 May
6-8 wk
27 May
20 Jun
0 wk
9 Jun
10 Jun
2 wk after