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Last 24h: Slight frost recorded tonight at 05:00. Inspect for frost damage
Method
Rel. frost
Last spring frost (0°C) 25 Apr Normal year · 20 years of data
Frost-free season 186 days 25 Apr – 28 Oct
Probability that frost is over

50% = Half of years are frost-free by this date. More about frost & season →

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Vegetables

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