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0.3°
Last 24h: Near frost recorded tonight at 05:00. Inspect for frost damage
Method
Rel. frost
Last spring frost (0°C) 26 Apr Frost 9 of 10 years · 20 years of data
Frost-free season 158 days 26 Apr – 1 Oct
Probability that frost is over

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