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-1.5°
Last 24h: Slight frost recorded tonight at 05:00. Inspect for frost damage
Method
Rel. frost
Last spring frost (0°C) 7 May Normal year · 20 years of data
Frost-free season 156 days 7 May – 10 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)
19 Mar – 2 Apr
19 Jun
5-7 wk
7 May
24 Jul
0 wk
30 Apr
14 Jul
1 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
26 Mar – 9 Apr
1 Jul
4-6 wk
7 May
29 Jul
0 wk
30 Apr
19 Jul
1 wk before
Chili pepper
Capsicum annuum
Fleece
3 – 31 Mar
17 Apr
8-12 wk
26 May
12 Jun
3 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
19 Mar – 2 Apr
14 Jun
5-7 wk
7 May
19 Jul
0 wk
25 Apr
9 Jul
2 wk before
Garden cucumber
Cucumis sativus
15 – 22 May
11 Jun
3-4 wk
12 Jun
2 Jul
5 wk after
Florence Fennel
Foeniculum vulgare
8 – 15 May
11 Jun
4-5 wk
12 Jun
9 Jul
5 wk after
12 Jun
29 Jun
5 wk after
Butter bean
Phaseolus lunatus
Fleece
5 – 12 Jun
3-4 wk
3 Jul
8 wk after
Onion
Allium cepa (Cepa-gruppen)
12 Feb – 12 Mar
4 Apr
8-12 wk
7 May
30 May
0 wk
17 May
20 May
1 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
30 Apr
19 Jun
1 wk before
30 Apr
9 Jun
1 wk before
Maize
Zea mays
28 Apr – 5 May
1 Jun
3-4 wk
26 May
22 Jun
3 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
15 – 22 Apr
8 Jul
3-4 wk
13 May
29 Jul
1 wk after
17 May
19 Jul
1 wk after
Carrot
Daucus carota subsp. sativus var. sativus
7 May
9 Jul
0 wk
25 Apr
29 Jun
2 wk before
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
19 Mar – 2 Apr
14 Jun
5-7 wk
7 May
19 Jul
0 wk
25 Apr
9 Jul
2 wk before
Potato
Solanum tuberosum
31 Mar – 14 Apr
11 Jun
4-6 wk
12 May
9 Jul
1 wk after
12 May
29 Jun
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
19 Mar – 2 Apr
24 Jun
5-7 wk
7 May
29 Jul
0 wk
30 Apr
19 Jul
1 wk before
Pumpkin
Cucurbita pepo
15 – 22 May
27 Jun
3-4 wk
12 Jun
18 Jul
5 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
15 – 22 Apr
17 Jun
3-4 wk
13 May
8 Jul
1 wk after
17 May
28 Jun
1 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
26 Mar – 9 Apr
26 Jun
4-6 wk
7 May
24 Jul
0 wk
Lettuce
Lactuca sativa
9 – 16 Apr
13 Jul
3-4 wk
7 May
3 Aug
0 wk
30 Apr
24 Jul
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
26 Mar – 9 Apr
26 Jun
4-6 wk
7 May
24 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
28 Mar – 11 Apr
5 Jun
2-4 wk
25 Apr
19 Jun
2 wk before
25 Apr
9 Jun
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
30 Apr
19 Jun
1 wk before
30 Apr
9 Jun
1 wk before
Spinach
Spinacia oleracea
9 – 16 Apr
28 Jul
3-4 wk
7 May
18 Aug
0 wk
19 Apr
8 Aug
3 wk before
Sweet potato
Ipomoea batatas
3 – 17 Jun
4-6 wk
15 Jul
10 wk after
Garden tomato
Solanum lycopersicum
31 Mar – 14 Apr
11 May
6-8 wk
26 May
22 Jun
3 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
28 Apr – 12 May
29 Jun
2-4 wk
26 May
13 Jul
3 wk after
12 Jun
3 Jul
5 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
26 Mar – 9 Apr
26 Jun
4-6 wk
7 May
24 Jul
0 wk
Garden pea
Pisum sativum
9 – 16 Apr
28 Jun
3-4 wk
7 May
19 Jul
0 wk
30 Apr
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
1 – 15 May
5 Jun
4-6 wk
12 Jun
3 Jul
5 wk after
Lemon balm
Melissa officinalis
26 Feb – 12 Mar
24 May
8-10 wk
7 May
19 Jul
0 wk
28 May
9 Jul
3 wk after
Dill
Anethum graveolens
30 Apr
29 Jul
1 wk before
Wild chives
Allium schoenoprasum
12 – 26 Mar
7 Jun
6-8 wk
7 May
19 Jul
0 wk
30 Apr
9 Jul
1 wk before
Spearmint
Mentha spicata
12 Feb – 12 Mar
24 May
8-12 wk
7 May
19 Jul
0 wk
28 May
9 Jul
3 wk after
Coriander
Coriandrum sativum
7 May
18 Aug
0 wk
17 May
8 Aug
1 wk after
Garden sage
Salvia officinalis
4 – 18 Mar
9 May
8-10 wk
13 May
4 Jul
1 wk after
Common thyme
Thymus vulgaris
26 Feb – 12 Mar
14 May
8-10 wk
7 May
9 Jul
0 wk
Oregano
Origanum vulgare
12 – 26 Mar
28 May
6-8 wk
7 May
9 Jul
0 wk
28 May
29 Jun
3 wk after
Parsley
Petroselinum crispum
12 – 26 Mar
28 May
6-8 wk
7 May
9 Jul
0 wk
30 Apr
29 Jun
1 wk before
Rosemary
Salvia rosmarinus
4 Feb – 4 Mar
10 Apr
10-14 wk
13 May
19 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
15 – 22 May
12 Jun
3-4 wk
12 Jun
3 Jul
5 wk after
Cornflower
Centaurea cyanus
7 May
19 Jul
0 wk
30 Apr
9 Jul
1 wk before
Statice
Limonium sinuatum
17 – 31 Mar
13 May
8-10 wk
26 May
8 Jul
3 wk after
Sweet William
Dianthus barbatus
12 – 26 Mar
6-8 wk
7 May
0 wk
12 May
1 wk after
Snow-on-the-mountain
Euphorbia marginata
31 Mar – 14 Apr
27 May
6-8 wk
26 May
8 Jul
3 wk after
15 Jul
10 wk after
Pinnate dahlia
Dahlia × pinnata
26 Mar – 9 Apr
28 May
6-8 wk
21 May
9 Jul
2 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
2 – 30 Apr
11 Jun
4-8 wk
28 May
9 Jul
3 wk after
28 May
29 Jun
3 wk after
Foxglove
Digitalis purpurea
26 Feb – 12 Mar
8-10 wk
7 May
0 wk
17 May
1 wk after
Busy lizzie
Impatiens walleriana
20 Mar – 17 Apr
3 Jul
8-12 wk
12 Jun
28 Aug
5 wk after
Creeping zinnia
Sanvitalia procumbens
31 Mar – 14 Apr
6 Jun
6-8 wk
26 May
18 Jul
3 wk after
Hyacinth bean
Dolichos lablab
Fleece
1 – 15 May
6 May
4-6 wk
12 Jun
5 wk after
Chinese lantern
Physalis alkekengi
4 – 18 Mar
24 Apr
8-10 wk
13 May
19 Jun
1 wk after
Love in a mist
Nigella damascena
7 May
4 Jul
0 wk
30 Apr
24 Jun
1 wk before
Strawflower
Xerochrysum bracteatum
31 Mar – 14 Apr
17 May
6-8 wk
26 May
28 Jun
3 wk after
15 Jul
10 wk after
Purple-top vervain
Verbena bonariensis
18 Feb – 18 Mar
24 Apr
8-12 wk
13 May
19 Jun
1 wk after
Cardoon
Cynara cardunculus
3 – 31 Mar
25 Mar
8-12 wk
26 May
3 wk after
Regal-foxtail
Ptilotus nobilis
20 Mar – 17 Apr
28 Apr
8-12 wk
12 Jun
23 Jun
5 wk after
Globe amaranth
Gomphrena globosa
17 Apr – 1 May
12 May
6-8 wk
12 Jun
23 Jun
5 wk after
Corn poppy
Papaver rhoeas
7 May
19 Jul
0 wk
30 Apr
9 Jul
1 wk before
Snapdragon
Antirrhinum majus
12 Feb – 12 Mar
14 May
8-12 wk
7 May
9 Jul
0 wk
12 May
29 Jun
1 wk after
Flossflower
Ageratum houstonianum
3 – 17 Apr
23 May
8-10 wk
12 Jun
18 Jul
5 wk after
Sweet pea
Lathyrus odoratus
12 Mar – 2 Apr
4 Jun
5-8 wk
7 May
9 Jul
0 wk
Stock
Matthiola incana
12 – 26 Mar
7 Jun
6-8 wk
7 May
19 Jul
0 wk
17 May
9 Jul
1 wk after
Wormwood
Artemisia absinthium
12 – 26 Mar
8 May
6-8 wk
7 May
19 Jun
0 wk
17 May
9 Jun
1 wk after
Mexican sunflower
Tithonia rotundifolia
1 – 15 May
21 May
4-6 wk
12 Jun
18 Jun
5 wk after
Garden pansy
Viola × wittrockiana
26 Feb – 12 Mar
24 May
8-10 wk
7 May
19 Jul
0 wk
12 May
9 Jul
1 wk after
Petunia
Petunia
3 – 31 Mar
13 May
8-12 wk
26 May
8 Jul
3 wk after
Sweet Scabious
Scabiosa atropurpurea
18 Mar – 1 Apr
8 May
6-8 wk
13 May
19 Jun
1 wk after
12 Jun
5 wk after
Common zinnia
Zinnia elegans
14 – 28 Apr
15 Jun
4-6 wk
26 May
13 Jul
3 wk after
Common morning glory
Ipomoea purpurea
8 – 22 May
12 Jun
3-5 wk
12 Jun
3 Jul
5 wk after
Garden cosmos
Cosmos bipinnatus
14 – 28 Apr
11 Jun
4-6 wk
26 May
9 Jul
3 wk after
12 Jun
29 Jun
5 wk after
Scarlet milkweed
Asclepias curassavica
1 – 29 Apr
28 May
8-12 wk
24 Jun
23 Jul
7 wk after
Bee balm
Monarda didyma
12 Feb – 12 Mar
24 Apr
8-12 wk
7 May
19 Jun
0 wk
28 May
9 Jun
3 wk after
Yarrow
Achillea millefolium
12 – 26 Mar
8 Apr
6-8 wk
7 May
20 May
0 wk
17 May
1 wk after
Safflower
Carthamus tinctorius
7 May
19 Jun
0 wk
30 Apr
9 Jun
1 wk before
Iceland poppy
Papaver nudicaule
Season too short
12 – 26 Mar
28 May
6-8 wk
7 May
9 Jul
0 wk
29 Mar
29 Jun
6 wk before
Bishop's flower
Ammi majus
26 Mar – 9 Apr
11 Jun
4-6 wk
7 May
9 Jul
0 wk
17 May
29 Jun
1 wk after
Drumsticks
Pycnosorus globosus
20 Mar – 3 Apr
4 Apr
10-12 wk
12 Jun
13 Jun
5 wk after
Sunflower
Helianthus annuus
28 Apr – 5 May
18 Jun
3-4 wk
26 May
9 Jul
3 wk after
28 May
29 Jun
3 wk after
China aster
Callistephus chinensis
31 Mar – 14 Apr
7 Jun
6-8 wk
26 May
19 Jul
3 wk after
12 Jun
9 Jul
5 wk after
Annual phlox
Phlox drummondii
23 Mar – 6 Apr
6 Jun
6-8 wk
18 May
18 Jul
2 wk after
12 Jun
8 Jul
5 wk after
Hollyhock
Alcea rosea
12 – 26 Mar
6-8 wk
7 May
0 wk
17 May
1 wk after
Alpine delphinium
Delphinium elatum
12 Feb – 12 Mar
24 Apr
8-12 wk
7 May
19 Jun
0 wk
28 May
9 Jun
3 wk after
African marigold
Tagetes erecta
31 Mar – 14 Apr
6 Jun
6-8 wk
26 May
18 Jul
3 wk after
Black-eyed Susan
Rudbeckia hirta
18 Mar – 1 Apr
28 May
6-8 wk
13 May
9 Jul
1 wk after
12 Jun
29 Jun
5 wk after
Wood sage
Salvia nemorosa
26 Feb – 12 Mar
14 Apr
8-10 wk
7 May
9 Jun
0 wk
28 May
30 May
3 wk after
Black-eyed susan vine
Thunbergia alata
3 Apr – 1 May
22 May
6-10 wk
12 Jun
3 Jul
5 wk after
California goldenpoppy
Eschscholzia californica
7 May
19 Jul
0 wk
30 Apr
9 Jul
1 wk before
Painted tongue
Salpiglossis sinuata
17 – 31 Mar
14 May
8-10 wk
26 May
9 Jul
3 wk after
Water forget-me-not
Myosotis scorpioides
12 – 26 Mar
8 May
6-8 wk
7 May
19 Jun
0 wk
17 May
9 Jun
1 wk after