Create your calendar
Frost is lingering Last frost normally 10 May, The 10-day forecast shows frost Tue.
Method
Rel. frost
Last spring frost (0°C) 10 May Frost 3 of 4 years · 20 years of data
Frost-free season 116 days 10 May – 3 Sep
Probability that frost is over

25% = 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)
22 Mar – 5 Apr
13 Jun
5-7 wk
10 May
18 Jul
0 wk
11 May
8 Jul
0 wk
Broccoli
Brassica oleracea (Italica-gruppen)
29 Mar – 12 Apr
25 Jun
4-6 wk
10 May
23 Jul
0 wk
11 May
13 Jul
0 wk
Chili pepper
Capsicum annuum
Greenhouse
26 Feb – 26 Mar
25 Mar
8-12 wk
21 May
2 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
22 Mar – 5 Apr
8 Jun
5-7 wk
10 May
13 Jul
0 wk
10 May
3 Jul
0 wk
Garden cucumber
Cucumis sativus
Fleece
2 – 9 May
19 May
3-4 wk
30 May
9 Jun
3 wk after
Florence Fennel
Foeniculum vulgare
Fleece
25 Apr – 2 May
26 May
4-5 wk
30 May
23 Jun
3 wk after
4 Jun
13 Jun
4 wk after
Butter bean
Phaseolus lunatus
Season too short
23 – 30 May
3-4 wk
20 Jun
6 wk after
Onion
Allium cepa (Cepa-gruppen)
15 Feb – 15 Mar
17 Mar
8-12 wk
10 May
12 May
0 wk
23 May
2 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
11 May
1 Jun
0 wk
11 May
22 May
0 wk
Maize
Zea mays
Fleece
23 – 30 Apr
9 May
3-4 wk
21 May
30 May
2 wk after
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
18 – 25 Apr
22 Jun
3-4 wk
16 May
13 Jul
1 wk after
23 May
3 Jul
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
10 May
3 Jul
0 wk
10 May
23 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
22 Mar – 5 Apr
8 Jun
5-7 wk
10 May
13 Jul
0 wk
10 May
3 Jul
0 wk
Potato
Solanum tuberosum
8 – 22 Apr
14 May
4-6 wk
20 May
11 Jun
1 wk after
20 May
1 Jun
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
22 Mar – 5 Apr
18 Jun
5-7 wk
10 May
23 Jul
0 wk
11 May
13 Jul
0 wk
Pumpkin
Cucurbita pepo
16 – 23 May
24 May
3-4 wk
13 Jun
14 Jun
5 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
18 – 25 Apr
20 May
3-4 wk
16 May
10 Jun
1 wk after
23 May
31 May
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
29 Mar – 12 Apr
20 Jun
4-6 wk
10 May
18 Jul
0 wk
Lettuce
Lactuca sativa
12 – 19 Apr
7 Jul
3-4 wk
10 May
28 Jul
0 wk
11 May
18 Jul
0 wk
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
29 Mar – 12 Apr
20 Jun
4-6 wk
10 May
18 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
12 – 26 Apr
23 May
2-4 wk
10 May
6 Jun
0 wk
10 May
27 May
0 wk
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
11 May
1 Jun
0 wk
11 May
22 May
0 wk
Spinach
Spinacia oleracea
12 – 19 Apr
22 Jul
3-4 wk
10 May
12 Aug
0 wk
7 May
2 Aug
0 wk
Sweet potato
Ipomoea batatas
4 – 18 Jun
4-6 wk
16 Jul
10 wk after
Garden tomato
Solanum lycopersicum
Fleece
26 Mar – 9 Apr
18 Apr
6-8 wk
21 May
30 May
2 wk after
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
2 – 16 May
26 May
2-4 wk
30 May
9 Jun
3 wk after
22 Jun
6 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
29 Mar – 12 Apr
20 Jun
4-6 wk
10 May
18 Jul
0 wk
Garden pea
Pisum sativum
12 – 19 Apr
22 Jun
3-4 wk
10 May
13 Jul
0 wk
11 May
3 Jul
0 wk

Herbs

Plant Sow indoors Transplant Direct sow
Earliest Latest Growing time Earliest Latest Rel. frost Earliest Latest Rel. frost
Basil
Ocimum basilicum
Fleece
18 Apr – 2 May
12 May
4-6 wk
30 May
9 Jun
3 wk after
Lemon balm
Melissa officinalis
1 – 15 Mar
18 May
8-10 wk
10 May
13 Jul
0 wk
4 Jun
3 Jul
4 wk after
Dill
Anethum graveolens
11 May
13 Jul
0 wk
Wild chives
Allium schoenoprasum
15 – 29 Mar
1 Jun
6-8 wk
10 May
13 Jul
0 wk
11 May
3 Jul
0 wk
Spearmint
Mentha spicata
15 Feb – 15 Mar
18 May
8-12 wk
10 May
13 Jul
0 wk
4 Jun
3 Jul
4 wk after
Coriander
Coriandrum sativum
10 May
2 Aug
0 wk
23 May
23 Jul
2 wk after
Garden sage
Salvia officinalis
7 – 21 Mar
3 May
8-10 wk
16 May
28 Jun
1 wk after
Common thyme
Thymus vulgaris
1 – 15 Mar
8 May
8-10 wk
10 May
3 Jul
0 wk
Oregano
Origanum vulgare
15 – 29 Mar
22 May
6-8 wk
10 May
3 Jul
0 wk
4 Jun
23 Jun
4 wk after
Parsley
Petroselinum crispum
15 – 29 Mar
22 May
6-8 wk
10 May
3 Jul
0 wk
11 May
23 Jun
0 wk
Rosemary
Salvia rosmarinus
7 Feb – 7 Mar
23 Mar
10-14 wk
16 May
1 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
2 – 9 May
19 May
3-4 wk
30 May
9 Jun
3 wk after
Cornflower
Centaurea cyanus
10 May
13 Jul
0 wk
11 May
3 Jul
0 wk
Statice
Limonium sinuatum
21 Mar – 4 Apr
17 Apr
8-10 wk
30 May
12 Jun
3 wk after
Sweet William
Dianthus barbatus
15 – 29 Mar
6-8 wk
10 May
0 wk
20 May
1 wk after
Snow-on-the-mountain
Euphorbia marginata
4 – 18 Apr
1 May
6-8 wk
30 May
12 Jun
3 wk after
16 Jul
10 wk after
Pinnate dahlia
Dahlia × pinnata
30 Mar – 13 Apr
5 May
6-8 wk
25 May
16 Jun
2 wk after
Pinnate dahlia (tubers)
Dahlia × pinnata
9 Apr – 7 May
19 May
4-8 wk
4 Jun
16 Jun
4 wk after
4 Jun
6 Jun
4 wk after
Foxglove
Digitalis purpurea
1 – 15 Mar
8-10 wk
10 May
0 wk
23 May
2 wk after
Busy lizzie
Impatiens walleriana
21 Mar – 18 Apr
30 May
8-12 wk
13 Jun
25 Jul
5 wk after
Creeping zinnia
Sanvitalia procumbens
4 – 18 Apr
11 May
6-8 wk
30 May
22 Jun
3 wk after
Hyacinth bean
Dolichos lablab
Season too short
18 Apr – 2 May
4-6 wk
30 May
3 wk after
Chinese lantern
Physalis alkekengi
7 – 21 Mar
8 Apr
8-10 wk
16 May
3 Jun
1 wk after
Love in a mist
Nigella damascena
10 May
28 Jun
0 wk
11 May
18 Jun
0 wk
Strawflower
Xerochrysum bracteatum
4 – 18 Apr
21 Apr
6-8 wk
30 May
2 Jun
3 wk after
16 Jul
10 wk after
Purple-top vervain
Verbena bonariensis
21 Feb – 21 Mar
8 Apr
8-12 wk
16 May
3 Jun
1 wk after
Cardoon
Cynara cardunculus
Fleece
26 Feb – 26 Mar
19 Mar
8-12 wk
21 May
2 wk after
Regal-foxtail
Ptilotus nobilis
Greenhouse
26 Feb – 26 Mar
21 Apr
8-12 wk
21 May
16 Jun
2 wk after
Globe amaranth
Gomphrena globosa
Greenhouse
26 Mar – 9 Apr
5 May
6-8 wk
21 May
16 Jun
2 wk after
Corn poppy
Papaver rhoeas
10 May
13 Jul
0 wk
11 May
3 Jul
0 wk
Snapdragon
Antirrhinum majus
15 Feb – 15 Mar
8 May
8-12 wk
10 May
3 Jul
0 wk
20 May
23 Jun
1 wk after
Flossflower
Ageratum houstonianum
4 – 18 Apr
27 Apr
8-10 wk
13 Jun
22 Jun
5 wk after
Sweet pea
Lathyrus odoratus
15 Mar – 5 Apr
29 May
5-8 wk
10 May
3 Jul
0 wk
Stock
Matthiola incana
15 – 29 Mar
1 Jun
6-8 wk
10 May
13 Jul
0 wk
23 May
3 Jul
2 wk after
Wormwood
Artemisia absinthium
15 – 29 Mar
2 May
6-8 wk
10 May
13 Jun
0 wk
23 May
3 Jun
2 wk after
Mexican sunflower
Tithonia rotundifolia
Greenhouse
9 – 23 Apr
14 May
4-6 wk
21 May
11 Jun
2 wk after
Garden pansy
Viola × wittrockiana
1 – 15 Mar
18 May
8-10 wk
10 May
13 Jul
0 wk
20 May
3 Jul
1 wk after
Petunia
Petunia
7 Mar – 4 Apr
17 Apr
8-12 wk
30 May
12 Jun
3 wk after
Sweet Scabious
Scabiosa atropurpurea
21 Mar – 4 Apr
22 Apr
6-8 wk
16 May
3 Jun
1 wk after
22 Jun
6 wk after
Common zinnia
Zinnia elegans
18 Apr – 2 May
12 May
4-6 wk
30 May
9 Jun
3 wk after
Common morning glory
Ipomoea purpurea
Fleece
25 Apr – 9 May
19 May
3-5 wk
30 May
9 Jun
3 wk after
Garden cosmos
Cosmos bipinnatus
18 Apr – 2 May
19 May
4-6 wk
30 May
16 Jun
3 wk after
22 Jun
6 wk after
Scarlet milkweed
Asclepias curassavica
Fleece
21 Mar – 18 Apr
4 May
8-12 wk
13 Jun
29 Jun
5 wk after
Bee balm
Monarda didyma
15 Feb – 15 Mar
18 Apr
8-12 wk
10 May
13 Jun
0 wk
4 Jun
4 wk after
Yarrow
Achillea millefolium
15 – 29 Mar
2 Apr
6-8 wk
10 May
14 May
0 wk
23 May
2 wk after
Safflower
Carthamus tinctorius
10 May
13 Jun
0 wk
11 May
3 Jun
0 wk
Iceland poppy
Papaver nudicaule
Season too short
15 – 29 Mar
22 May
6-8 wk
10 May
3 Jul
0 wk
24 Apr
23 Jun
2 wk before
Bishop's flower
Ammi majus
29 Mar – 12 Apr
5 Jun
4-6 wk
10 May
3 Jul
0 wk
23 May
23 Jun
2 wk after
Drumsticks
Pycnosorus globosus
Greenhouse
26 Feb – 12 Mar
30 Mar
10-12 wk
21 May
8 Jun
2 wk after
Sunflower
Helianthus annuus
2 – 9 May
31 May
3-4 wk
30 May
21 Jun
3 wk after
4 Jun
11 Jun
4 wk after
China aster
Callistephus chinensis
4 – 18 Apr
20 May
6-8 wk
30 May
1 Jul
3 wk after
22 Jun
6 wk after
Annual phlox
Phlox drummondii
26 Mar – 9 Apr
11 May
6-8 wk
21 May
22 Jun
2 wk after
22 Jun
6 wk after
Hollyhock
Alcea rosea
15 – 29 Mar
6-8 wk
10 May
0 wk
23 May
2 wk after
Alpine delphinium
Delphinium elatum
15 Feb – 15 Mar
18 Apr
8-12 wk
10 May
13 Jun
0 wk
4 Jun
4 wk after
African marigold
Tagetes erecta
4 – 18 Apr
11 May
6-8 wk
30 May
22 Jun
3 wk after
Black-eyed Susan
Rudbeckia hirta
21 Mar – 4 Apr
10 May
6-8 wk
16 May
21 Jun
1 wk after
22 Jun
6 wk after
Wood sage
Salvia nemorosa
1 – 15 Mar
8 Apr
8-10 wk
10 May
3 Jun
0 wk
4 Jun
4 wk after
Black-eyed susan vine
Thunbergia alata
Fleece
21 Mar – 18 Apr
28 Apr
6-10 wk
30 May
9 Jun
3 wk after
California goldenpoppy
Eschscholzia californica
10 May
13 Jul
0 wk
11 May
3 Jul
0 wk
Painted tongue
Salpiglossis sinuata
21 Mar – 4 Apr
14 Apr
8-10 wk
30 May
9 Jun
3 wk after
Water forget-me-not
Myosotis scorpioides
15 – 29 Mar
2 May
6-8 wk
10 May
13 Jun
0 wk
23 May
3 Jun
2 wk after