Create your calendar
0.3°
Last 24h: Near frost recorded tonight at 03:00. Inspect for frost damage
Method
Rel. frost
Last spring frost (0°C) 12 May Frost 9 of 10 years · 20 years of data
Frost-free season 107 days 12 May – 27 Aug
Probability that frost is over

10% = Half of years are frost-free by this date. More about frost & season →

Custom date
Note: This location has a shorter growing season. Plants marked with Fleece, Greenhouse or Season too short need extra protection or are difficult to grow here.

Vegetables

Plant Sow indoors Transplant Direct sow
Earliest Latest Growing time Earliest Latest Rel. frost Earliest Latest Rel. frost
Cauliflower
Brassica oleracea (Botrytis-gruppen)
24 Mar – 7 Apr
12 Jun
5-7 wk
12 May
17 Jul
0 wk
13 May
7 Jul
0 wk
Broccoli
Brassica oleracea (Italica-gruppen)
31 Mar – 14 Apr
24 Jun
4-6 wk
12 May
22 Jul
0 wk
13 May
12 Jul
0 wk
Chili pepper
Capsicum annuum
Season too short
28 Feb – 28 Mar
8-12 wk
23 May
2 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
24 Mar – 7 Apr
7 Jun
5-7 wk
12 May
12 Jul
0 wk
12 May
2 Jul
0 wk
Garden cucumber
Cucumis sativus
Season too short
25 Apr – 2 May
3-4 wk
23 May
2 wk after
Florence Fennel
Foeniculum vulgare
Fleece
27 Apr – 4 May
18 May
4-5 wk
1 Jun
15 Jun
3 wk after
6 Jun
4 wk after
Butter bean
Phaseolus lunatus
Season too short
25 May – 1 Jun
3-4 wk
22 Jun
6 wk after
Onion
Allium cepa (Cepa-gruppen)
17 Feb – 17 Mar
12 Mar
8-12 wk
12 May
0 wk
25 May
2 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
13 May
27 May
0 wk
13 May
17 May
0 wk
Maize
Zea mays
Season too short
18 – 25 Apr
3-4 wk
16 May
1 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
20 – 27 Apr
14 Jun
3-4 wk
18 May
5 Jul
1 wk after
25 May
25 Jun
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
12 May
25 Jun
0 wk
12 May
15 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
24 Mar – 7 Apr
7 Jun
5-7 wk
12 May
12 Jul
0 wk
12 May
2 Jul
0 wk
Potato
Solanum tuberosum
10 – 24 Apr
10 May
4-6 wk
22 May
7 Jun
1 wk after
22 May
28 May
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
24 Mar – 7 Apr
10 Jun
5-7 wk
12 May
15 Jul
0 wk
13 May
5 Jul
0 wk
Pumpkin
Cucurbita pepo
Season too short
25 Apr – 2 May
3-4 wk
23 May
2 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
20 – 27 Apr
11 May
3-4 wk
18 May
1 Jun
1 wk after
25 May
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
31 Mar – 14 Apr
19 Jun
4-6 wk
12 May
17 Jul
0 wk
Lettuce
Lactuca sativa
14 – 21 Apr
29 Jun
3-4 wk
12 May
20 Jul
0 wk
13 May
10 Jul
0 wk
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
31 Mar – 14 Apr
19 Jun
4-6 wk
12 May
17 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
14 – 28 Apr
18 May
2-4 wk
12 May
1 Jun
0 wk
12 May
22 May
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
13 May
27 May
0 wk
13 May
17 May
0 wk
Spinach
Spinacia oleracea
14 – 21 Apr
21 Jul
3-4 wk
12 May
11 Aug
0 wk
9 May
1 Aug
0 wk
Sweet potato
Ipomoea batatas
6 – 20 Jun
4-6 wk
18 Jul
10 wk after
Garden tomato
Solanum lycopersicum
Season too short
21 Mar – 4 Apr
6-8 wk
16 May
1 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Season too short
18 Apr – 2 May
2-4 wk
16 May
1 wk after
25 May
2 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
31 Mar – 14 Apr
19 Jun
4-6 wk
12 May
17 Jul
0 wk
Garden pea
Pisum sativum
14 – 21 Apr
14 Jun
3-4 wk
12 May
5 Jul
0 wk
13 May
25 Jun
0 wk

Herbs

Plant Sow indoors Transplant Direct sow
Earliest Latest Growing time Earliest Latest Rel. frost Earliest Latest Rel. frost
Basil
Ocimum basilicum
Season too short
11 – 25 Apr
4-6 wk
23 May
2 wk after
Lemon balm
Melissa officinalis
3 – 17 Mar
10 May
8-10 wk
12 May
5 Jul
0 wk
6 Jun
25 Jun
4 wk after
Dill
Anethum graveolens
13 May
5 Jul
0 wk
Wild chives
Allium schoenoprasum
17 – 31 Mar
31 May
6-8 wk
12 May
12 Jul
0 wk
13 May
2 Jul
0 wk
Spearmint
Mentha spicata
17 Feb – 17 Mar
17 May
8-12 wk
12 May
12 Jul
0 wk
6 Jun
2 Jul
4 wk after
Coriander
Coriandrum sativum
12 May
25 Jul
0 wk
25 May
15 Jul
2 wk after
Garden sage
Salvia officinalis
9 – 23 Mar
2 May
8-10 wk
18 May
27 Jun
1 wk after
Common thyme
Thymus vulgaris
3 – 17 Mar
7 May
8-10 wk
12 May
2 Jul
0 wk
Oregano
Origanum vulgare
17 – 31 Mar
21 May
6-8 wk
12 May
2 Jul
0 wk
6 Jun
22 Jun
4 wk after
Parsley
Petroselinum crispum
17 – 31 Mar
21 May
6-8 wk
12 May
2 Jul
0 wk
13 May
22 Jun
0 wk
Rosemary
Salvia rosmarinus
Fleece
3 Feb – 3 Mar
23 Mar
10-14 wk
12 May
1 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
Season too short
25 Apr – 2 May
3-4 wk
23 May
2 wk after
Cornflower
Centaurea cyanus
12 May
12 Jul
0 wk
13 May
2 Jul
0 wk
Statice
Limonium sinuatum
Season too short
7 – 21 Mar
8 Mar
8-10 wk
16 May
1 wk after
Sweet William
Dianthus barbatus
17 – 31 Mar
6-8 wk
12 May
0 wk
22 May
1 wk after
Snow-on-the-mountain
Euphorbia marginata
Season too short
21 Mar – 4 Apr
22 Mar
6-8 wk
16 May
1 wk after
13 Jun
5 wk after
Pinnate dahlia
Dahlia × pinnata
Greenhouse
17 – 31 Mar
9 Apr
6-8 wk
12 May
21 May
0 wk
Pinnate dahlia (tubers)
Dahlia × pinnata
Greenhouse
23 Mar – 20 Apr
23 Apr
4-8 wk
18 May
21 May
1 wk after
18 May
1 wk after
Foxglove
Digitalis purpurea
3 – 17 Mar
8-10 wk
12 May
0 wk
25 May
2 wk after
Busy lizzie
Impatiens walleriana
Greenhouse
28 Feb – 28 Mar
28 Apr
8-12 wk
23 May
23 Jun
2 wk after
Creeping zinnia
Sanvitalia procumbens
Season too short
21 Mar – 4 Apr
1 Apr
6-8 wk
16 May
1 wk after
Hyacinth bean
Dolichos lablab
Season too short
20 Apr – 4 May
4-6 wk
1 Jun
3 wk after
Chinese lantern
Physalis alkekengi
9 – 23 Mar
31 Mar
8-10 wk
18 May
26 May
1 wk after
Love in a mist
Nigella damascena
12 May
20 Jun
0 wk
13 May
10 Jun
0 wk
Strawflower
Xerochrysum bracteatum
Season too short
21 Mar – 4 Apr
6-8 wk
16 May
1 wk after
13 Jun
5 wk after
Purple-top vervain
Verbena bonariensis
23 Feb – 23 Mar
31 Mar
8-12 wk
18 May
26 May
1 wk after
Cardoon
Cynara cardunculus
Greenhouse
21 Feb – 21 Mar
18 Mar
8-12 wk
16 May
1 wk after
Regal-foxtail
Ptilotus nobilis
Season too short
28 Feb – 28 Mar
8-12 wk
23 May
2 wk after
Globe amaranth
Gomphrena globosa
Season too short
28 Mar – 11 Apr
6-8 wk
23 May
2 wk after
Corn poppy
Papaver rhoeas
12 May
5 Jul
0 wk
13 May
25 Jun
0 wk
Snapdragon
Antirrhinum majus
17 Feb – 17 Mar
30 Apr
8-12 wk
12 May
25 Jun
0 wk
22 May
15 Jun
1 wk after
Flossflower
Ageratum houstonianum
Season too short
14 – 28 Mar
18 Mar
8-10 wk
23 May
2 wk after
Sweet pea
Lathyrus odoratus
17 Mar – 7 Apr
28 May
5-8 wk
12 May
2 Jul
0 wk
Stock
Matthiola incana
17 – 31 Mar
24 May
6-8 wk
12 May
5 Jul
0 wk
25 May
25 Jun
2 wk after
Wormwood
Artemisia absinthium
17 – 31 Mar
1 May
6-8 wk
12 May
12 Jun
0 wk
25 May
2 Jun
2 wk after
Mexican sunflower
Tithonia rotundifolia
Season too short
11 – 25 Apr
4-6 wk
23 May
2 wk after
Garden pansy
Viola × wittrockiana
3 – 17 Mar
17 May
8-10 wk
12 May
12 Jul
0 wk
22 May
2 Jul
1 wk after
Petunia
Petunia
Season too short
21 Feb – 21 Mar
8 Mar
8-12 wk
16 May
1 wk after
Sweet Scabious
Scabiosa atropurpurea
23 Mar – 6 Apr
14 Apr
6-8 wk
18 May
26 May
1 wk after
24 Jun
6 wk after
Common zinnia
Zinnia elegans
Season too short
4 – 18 Apr
10 Apr
4-6 wk
16 May
1 wk after
Common morning glory
Ipomoea purpurea
Season too short
18 Apr – 2 May
3-5 wk
23 May
2 wk after
Garden cosmos
Cosmos bipinnatus
Greenhouse
4 – 18 Apr
23 Apr
4-6 wk
16 May
21 May
1 wk after
25 May
2 wk after
Scarlet milkweed
Asclepias curassavica
Season too short
9 Mar – 6 Apr
8-12 wk
1 Jun
3 wk after
Bee balm
Monarda didyma
17 Feb – 17 Mar
10 Apr
8-12 wk
12 May
5 Jun
0 wk
6 Jun
4 wk after
Yarrow
Achillea millefolium
17 – 31 Mar
1 Apr
6-8 wk
12 May
13 May
0 wk
25 May
2 wk after
Safflower
Carthamus tinctorius
12 May
12 Jun
0 wk
13 May
2 Jun
0 wk
Iceland poppy
Papaver nudicaule
Season too short
17 – 31 Mar
21 May
6-8 wk
12 May
2 Jul
0 wk
26 Apr
22 Jun
2 wk before
Bishop's flower
Ammi majus
31 Mar – 14 Apr
28 May
4-6 wk
12 May
25 Jun
0 wk
25 May
15 Jun
2 wk after
Drumsticks
Pycnosorus globosus
Season too short
28 Feb – 14 Mar
10-12 wk
23 May
2 wk after
Sunflower
Helianthus annuus
Fleece
25 Apr – 2 May
31 May
3-4 wk
23 May
21 Jun
2 wk after
25 May
11 Jun
2 wk after
China aster
Callistephus chinensis
6 – 20 Apr
1 May
6-8 wk
1 Jun
12 Jun
3 wk after
24 Jun
6 wk after
Annual phlox
Phlox drummondii
Greenhouse
17 – 31 Mar
1 Apr
6-8 wk
12 May
13 May
0 wk
25 May
2 wk after
Hollyhock
Alcea rosea
17 – 31 Mar
6-8 wk
12 May
0 wk
25 May
2 wk after
Alpine delphinium
Delphinium elatum
17 Feb – 17 Mar
10 Apr
8-12 wk
12 May
5 Jun
0 wk
6 Jun
4 wk after
African marigold
Tagetes erecta
Season too short
21 Mar – 4 Apr
1 Apr
6-8 wk
16 May
1 wk after
Black-eyed Susan
Rudbeckia hirta
23 Mar – 6 Apr
21 Apr
6-8 wk
18 May
2 Jun
1 wk after
24 Jun
6 wk after
Wood sage
Salvia nemorosa
3 – 17 Mar
31 Mar
8-10 wk
12 May
26 May
0 wk
6 Jun
4 wk after
Black-eyed susan vine
Thunbergia alata
Season too short
14 Mar – 11 Apr
6-10 wk
23 May
2 wk after
California goldenpoppy
Eschscholzia californica
12 May
1 Jul
0 wk
13 May
21 Jun
0 wk
Painted tongue
Salpiglossis sinuata
Fleece
14 – 28 Mar
20 Apr
8-10 wk
23 May
15 Jun
2 wk after
Water forget-me-not
Myosotis scorpioides
17 – 31 Mar
1 May
6-8 wk
12 May
12 Jun
0 wk
25 May
2 Jun
2 wk after