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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) 6 May Normal year · 20 years of data
Frost-free season 161 days 6 May – 14 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)
18 Mar – 1 Apr
18 Jun
5-7 wk
6 May
23 Jul
0 wk
29 Apr
13 Jul
1 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
25 Mar – 8 Apr
30 Jun
4-6 wk
6 May
28 Jul
0 wk
29 Apr
18 Jul
1 wk before
Chili pepper
Capsicum annuum
19 Mar – 16 Apr
2 Apr
8-12 wk
11 Jun
5 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
18 Mar – 1 Apr
13 Jun
5-7 wk
6 May
18 Jul
0 wk
24 Apr
8 Jul
2 wk before
Garden cucumber
Cucumis sativus
14 – 21 May
11 Jun
3-4 wk
11 Jun
2 Jul
5 wk after
Florence Fennel
Foeniculum vulgare
7 – 14 May
10 Jun
4-5 wk
11 Jun
8 Jul
5 wk after
11 Jun
28 Jun
5 wk after
Butter bean
Phaseolus lunatus
Fleece
4 – 11 Jun
3-4 wk
2 Jul
8 wk after
Onion
Allium cepa (Cepa-gruppen)
11 Feb – 11 Mar
3 Apr
8-12 wk
6 May
29 May
0 wk
16 May
19 May
1 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
29 Apr
18 Jun
1 wk before
29 Apr
8 Jun
1 wk before
Maize
Zea mays
27 Apr – 4 May
1 Jun
3-4 wk
25 May
22 Jun
3 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
14 – 21 Apr
7 Jul
3-4 wk
12 May
28 Jul
1 wk after
16 May
18 Jul
1 wk after
Carrot
Daucus carota subsp. sativus var. sativus
6 May
8 Jul
0 wk
24 Apr
28 Jun
2 wk before
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
18 Mar – 1 Apr
13 Jun
5-7 wk
6 May
18 Jul
0 wk
24 Apr
8 Jul
2 wk before
Potato
Solanum tuberosum
30 Mar – 13 Apr
9 Jun
4-6 wk
11 May
7 Jul
1 wk after
11 May
27 Jun
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
18 Mar – 1 Apr
23 Jun
5-7 wk
6 May
28 Jul
0 wk
29 Apr
18 Jul
1 wk before
Pumpkin
Cucurbita pepo
14 – 21 May
28 Jun
3-4 wk
11 Jun
19 Jul
5 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
14 – 21 Apr
21 Jun
3-4 wk
12 May
12 Jul
1 wk after
16 May
2 Jul
1 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
25 Mar – 8 Apr
25 Jun
4-6 wk
6 May
23 Jul
0 wk
Lettuce
Lactuca sativa
8 – 15 Apr
12 Jul
3-4 wk
6 May
2 Aug
0 wk
29 Apr
23 Jul
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
25 Mar – 8 Apr
25 Jun
4-6 wk
6 May
23 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
27 Mar – 10 Apr
4 Jun
2-4 wk
24 Apr
18 Jun
2 wk before
24 Apr
8 Jun
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
29 Apr
18 Jun
1 wk before
29 Apr
8 Jun
1 wk before
Spinach
Spinacia oleracea
8 – 15 Apr
27 Jul
3-4 wk
6 May
17 Aug
0 wk
18 Apr
7 Aug
3 wk before
Sweet potato
Ipomoea batatas
2 – 16 Jun
4-6 wk
14 Jul
10 wk after
Garden tomato
Solanum lycopersicum
30 Mar – 13 Apr
11 May
6-8 wk
25 May
22 Jun
3 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
27 Apr – 11 May
30 Jun
2-4 wk
25 May
14 Jul
3 wk after
11 Jun
4 Jul
5 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
25 Mar – 8 Apr
25 Jun
4-6 wk
6 May
23 Jul
0 wk
Garden pea
Pisum sativum
8 – 15 Apr
27 Jun
3-4 wk
6 May
18 Jul
0 wk
29 Apr
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
30 Apr – 14 May
6 Jun
4-6 wk
11 Jun
4 Jul
5 wk after
Lemon balm
Melissa officinalis
25 Feb – 11 Mar
23 May
8-10 wk
6 May
18 Jul
0 wk
27 May
8 Jul
3 wk after
Dill
Anethum graveolens
29 Apr
28 Jul
1 wk before
Wild chives
Allium schoenoprasum
11 – 25 Mar
6 Jun
6-8 wk
6 May
18 Jul
0 wk
29 Apr
8 Jul
1 wk before
Spearmint
Mentha spicata
11 Feb – 11 Mar
23 May
8-12 wk
6 May
18 Jul
0 wk
27 May
8 Jul
3 wk after
Coriander
Coriandrum sativum
6 May
17 Aug
0 wk
16 May
7 Aug
1 wk after
Garden sage
Salvia officinalis
3 – 17 Mar
8 May
8-10 wk
12 May
3 Jul
1 wk after
Common thyme
Thymus vulgaris
25 Feb – 11 Mar
13 May
8-10 wk
6 May
8 Jul
0 wk
Oregano
Origanum vulgare
11 – 25 Mar
27 May
6-8 wk
6 May
8 Jul
0 wk
27 May
28 Jun
3 wk after
Parsley
Petroselinum crispum
11 – 25 Mar
27 May
6-8 wk
6 May
8 Jul
0 wk
29 Apr
28 Jun
1 wk before
Rosemary
Salvia rosmarinus
3 Feb – 3 Mar
9 Apr
10-14 wk
12 May
18 Jun
1 wk after

Annual flowers

Plant Sow indoors Transplant Direct sow
Earliest Latest Growing time Earliest Latest Rel. frost Earliest Latest Rel. frost
Morning glory
Ipomoea tricolor
14 – 21 May
13 Jun
3-4 wk
11 Jun
4 Jul
5 wk after
Cornflower
Centaurea cyanus
6 May
18 Jul
0 wk
29 Apr
8 Jul
1 wk before
Statice
Limonium sinuatum
16 – 30 Mar
13 May
8-10 wk
25 May
8 Jul
3 wk after
Sweet William
Dianthus barbatus
11 – 25 Mar
6-8 wk
6 May
0 wk
11 May
1 wk after
Snow-on-the-mountain
Euphorbia marginata
30 Mar – 13 Apr
27 May
6-8 wk
25 May
8 Jul
3 wk after
14 Jul
10 wk after
Pinnate dahlia
Dahlia × pinnata
25 Mar – 8 Apr
27 May
6-8 wk
20 May
8 Jul
2 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
1 – 29 Apr
10 Jun
4-8 wk
27 May
8 Jul
3 wk after
27 May
28 Jun
3 wk after
Foxglove
Digitalis purpurea
25 Feb – 11 Mar
8-10 wk
6 May
0 wk
16 May
1 wk after
Busy lizzie
Impatiens walleriana
19 Mar – 16 Apr
3 Jul
8-12 wk
11 Jun
28 Aug
5 wk after
Creeping zinnia
Sanvitalia procumbens
30 Mar – 13 Apr
6 Jun
6-8 wk
25 May
18 Jul
3 wk after
Hyacinth bean
Dolichos lablab
Fleece
30 Apr – 14 May
7 May
4-6 wk
11 Jun
5 wk after
Chinese lantern
Physalis alkekengi
3 – 17 Mar
23 Apr
8-10 wk
12 May
18 Jun
1 wk after
Love in a mist
Nigella damascena
6 May
3 Jul
0 wk
29 Apr
23 Jun
1 wk before
Strawflower
Xerochrysum bracteatum
30 Mar – 13 Apr
17 May
6-8 wk
25 May
28 Jun
3 wk after
14 Jul
10 wk after
Purple-top vervain
Verbena bonariensis
17 Feb – 17 Mar
23 Apr
8-12 wk
12 May
18 Jun
1 wk after
Cardoon
Cynara cardunculus
2 – 30 Mar
24 Mar
8-12 wk
25 May
3 wk after
Regal-foxtail
Ptilotus nobilis
19 Mar – 16 Apr
29 Apr
8-12 wk
11 Jun
24 Jun
5 wk after
Globe amaranth
Gomphrena globosa
16 – 30 Apr
13 May
6-8 wk
11 Jun
24 Jun
5 wk after
Corn poppy
Papaver rhoeas
6 May
18 Jul
0 wk
29 Apr
8 Jul
1 wk before
Snapdragon
Antirrhinum majus
11 Feb – 11 Mar
13 May
8-12 wk
6 May
8 Jul
0 wk
11 May
28 Jun
1 wk after
Flossflower
Ageratum houstonianum
2 – 16 Apr
23 May
8-10 wk
11 Jun
18 Jul
5 wk after
Sweet pea
Lathyrus odoratus
11 Mar – 1 Apr
3 Jun
5-8 wk
6 May
8 Jul
0 wk
Stock
Matthiola incana
11 – 25 Mar
6 Jun
6-8 wk
6 May
18 Jul
0 wk
16 May
8 Jul
1 wk after
Wormwood
Artemisia absinthium
11 – 25 Mar
7 May
6-8 wk
6 May
18 Jun
0 wk
16 May
8 Jun
1 wk after
Mexican sunflower
Tithonia rotundifolia
30 Apr – 14 May
22 May
4-6 wk
11 Jun
19 Jun
5 wk after
Garden pansy
Viola × wittrockiana
25 Feb – 11 Mar
23 May
8-10 wk
6 May
18 Jul
0 wk
11 May
8 Jul
1 wk after
Petunia
Petunia
2 – 30 Mar
13 May
8-12 wk
25 May
8 Jul
3 wk after
Sweet Scabious
Scabiosa atropurpurea
17 – 31 Mar
7 May
6-8 wk
12 May
18 Jun
1 wk after
11 Jun
5 wk after
Common zinnia
Zinnia elegans
13 – 27 Apr
15 Jun
4-6 wk
25 May
13 Jul
3 wk after
Common morning glory
Ipomoea purpurea
7 – 21 May
13 Jun
3-5 wk
11 Jun
4 Jul
5 wk after
Garden cosmos
Cosmos bipinnatus
13 – 27 Apr
10 Jun
4-6 wk
25 May
8 Jul
3 wk after
11 Jun
28 Jun
5 wk after
Scarlet milkweed
Asclepias curassavica
31 Mar – 28 Apr
29 May
8-12 wk
23 Jun
24 Jul
7 wk after
Bee balm
Monarda didyma
11 Feb – 11 Mar
23 Apr
8-12 wk
6 May
18 Jun
0 wk
27 May
8 Jun
3 wk after
Yarrow
Achillea millefolium
11 – 25 Mar
7 Apr
6-8 wk
6 May
19 May
0 wk
16 May
1 wk after
Safflower
Carthamus tinctorius
6 May
18 Jun
0 wk
29 Apr
8 Jun
1 wk before
Iceland poppy
Papaver nudicaule
Season too short
11 – 25 Mar
27 May
6-8 wk
6 May
8 Jul
0 wk
28 Mar
28 Jun
6 wk before
Bishop's flower
Ammi majus
25 Mar – 8 Apr
10 Jun
4-6 wk
6 May
8 Jul
0 wk
16 May
28 Jun
1 wk after
Drumsticks
Pycnosorus globosus
19 Mar – 2 Apr
4 Apr
10-12 wk
11 Jun
13 Jun
5 wk after
Sunflower
Helianthus annuus
27 Apr – 4 May
17 Jun
3-4 wk
25 May
8 Jul
3 wk after
27 May
28 Jun
3 wk after
China aster
Callistephus chinensis
30 Mar – 13 Apr
6 Jun
6-8 wk
25 May
18 Jul
3 wk after
11 Jun
8 Jul
5 wk after
Annual phlox
Phlox drummondii
22 Mar – 5 Apr
6 Jun
6-8 wk
17 May
18 Jul
2 wk after
11 Jun
8 Jul
5 wk after
Hollyhock
Alcea rosea
11 – 25 Mar
6-8 wk
6 May
0 wk
16 May
1 wk after
Alpine delphinium
Delphinium elatum
11 Feb – 11 Mar
23 Apr
8-12 wk
6 May
18 Jun
0 wk
27 May
8 Jun
3 wk after
African marigold
Tagetes erecta
30 Mar – 13 Apr
6 Jun
6-8 wk
25 May
18 Jul
3 wk after
Black-eyed Susan
Rudbeckia hirta
17 – 31 Mar
27 May
6-8 wk
12 May
8 Jul
1 wk after
11 Jun
28 Jun
5 wk after
Wood sage
Salvia nemorosa
25 Feb – 11 Mar
13 Apr
8-10 wk
6 May
8 Jun
0 wk
27 May
29 May
3 wk after
Black-eyed susan vine
Thunbergia alata
2 – 30 Apr
23 May
6-10 wk
11 Jun
4 Jul
5 wk after
California goldenpoppy
Eschscholzia californica
6 May
18 Jul
0 wk
29 Apr
8 Jul
1 wk before
Painted tongue
Salpiglossis sinuata
16 – 30 Mar
13 May
8-10 wk
25 May
8 Jul
3 wk after
Water forget-me-not
Myosotis scorpioides
11 – 25 Mar
7 May
6-8 wk
6 May
18 Jun
0 wk
16 May
8 Jun
1 wk after