Create your calendar
Method
Rel. frost
Last spring frost (0°C) 27 May Frost 3 of 4 years · 20 years of data
Frost-free season 88 days 27 May – 23 Aug
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)
8 – 22 Apr
11 Jun
5-7 wk
27 May
16 Jul
0 wk
28 May
6 Jul
0 wk
Broccoli
Brassica oleracea (Italica-gruppen)
15 – 29 Apr
23 Jun
4-6 wk
27 May
21 Jul
0 wk
28 May
11 Jul
0 wk
Chili pepper
Capsicum annuum
Season too short
10 Mar – 7 Apr
8-12 wk
2 Jun
1 wk after
Curly Kale
Brassica oleracea (Curly Kale-gruppen)
8 – 22 Apr
6 Jun
5-7 wk
27 May
11 Jul
0 wk
27 May
1 Jul
0 wk
Garden cucumber
Cucumis sativus
Greenhouse
5 – 12 May
22 May
3-4 wk
2 Jun
12 Jun
1 wk after
Florence Fennel
Foeniculum vulgare
Greenhouse
28 Apr – 5 May
1 Jun
4-5 wk
2 Jun
29 Jun
1 wk after
9 Jun
19 Jun
2 wk after
Butter bean
Phaseolus lunatus
Season too short
7 – 14 Jun
3-4 wk
5 Jul
6 wk after
Onion
Allium cepa (Cepa-gruppen)
Season too short
4 Mar – 1 Apr
17 Mar
8-12 wk
27 May
0 wk
27 May
0 wk
Onion (sets)
Allium cepa (Cepa-gruppen)
Fleece
24 May
25 May
0 wk
24 May
0 wk
Maize
Zea mays
Greenhouse
29 Apr – 6 May
12 May
3-4 wk
27 May
2 Jun
0 wk
Swiss Chard
Beta vulgaris (Flavescens-gruppen)
1 – 8 May
18 Jun
3-4 wk
29 May
9 Jul
0 wk
9 Jun
29 Jun
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
27 May
29 Jun
0 wk
27 May
19 Jun
0 wk
Palm Kale
Brassica oleracea (Palm Kale-gruppen)
8 – 22 Apr
6 Jun
5-7 wk
27 May
11 Jul
0 wk
27 May
1 Jul
0 wk
Potato
Solanum tuberosum
Fleece
16 – 30 Apr
6 May
4-6 wk
28 May
3 Jun
0 wk
28 May
0 wk
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
8 – 22 Apr
14 Jun
5-7 wk
27 May
19 Jul
0 wk
28 May
9 Jul
0 wk
Pumpkin
Cucurbita pepo
Greenhouse
5 – 12 May
12 Jun
3-4 wk
2 Jun
3 Jul
1 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
Fleece
29 Apr – 6 May
15 May
3-4 wk
27 May
5 Jun
0 wk
2 Jun
1 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
15 – 29 Apr
18 Jun
4-6 wk
27 May
16 Jul
0 wk
Lettuce
Lactuca sativa
29 Apr – 6 May
3 Jul
3-4 wk
27 May
24 Jul
0 wk
28 May
14 Jul
0 wk
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
15 – 29 Apr
18 Jun
4-6 wk
27 May
16 Jul
0 wk
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
Fleece
23 Apr – 7 May
16 May
2-4 wk
21 May
30 May
1 wk before
21 May
1 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
Fleece
24 May
25 May
0 wk
24 May
0 wk
Spinach
Spinacia oleracea
29 Apr – 6 May
20 Jul
3-4 wk
27 May
10 Aug
0 wk
24 May
31 Jul
0 wk
Sweet potato
Ipomoea batatas
21 Jun – 5 Jul
4-6 wk
2 Aug
10 wk after
Garden tomato
Solanum lycopersicum
Greenhouse
1 – 15 Apr
21 Apr
6-8 wk
27 May
2 Jun
0 wk
Tomatillo
Physalis ixocarpa
Common Bean
Phaseolus vulgaris
Fleece
5 – 19 May
29 May
2-4 wk
2 Jun
12 Jun
1 wk after
21 Jun
4 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
15 – 29 Apr
18 Jun
4-6 wk
27 May
16 Jul
0 wk
Garden pea
Pisum sativum
29 Apr – 6 May
18 Jun
3-4 wk
27 May
9 Jul
0 wk
28 May
29 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
Greenhouse
21 Apr – 5 May
21 May
4-6 wk
2 Jun
18 Jun
1 wk after
Lemon balm
Melissa officinalis
18 Mar – 1 Apr
14 May
8-10 wk
27 May
9 Jul
0 wk
21 Jun
29 Jun
4 wk after
Dill
Anethum graveolens
28 May
9 Jul
0 wk
Wild chives
Allium schoenoprasum
1 – 15 Apr
30 May
6-8 wk
27 May
11 Jul
0 wk
28 May
1 Jul
0 wk
Spearmint
Mentha spicata
4 Mar – 1 Apr
16 May
8-12 wk
27 May
11 Jul
0 wk
21 Jun
1 Jul
4 wk after
Coriander
Coriandrum sativum
27 May
29 Jul
0 wk
9 Jun
19 Jul
2 wk after
Garden sage
Salvia officinalis
20 Mar – 3 Apr
1 May
8-10 wk
29 May
26 Jun
0 wk
Common thyme
Thymus vulgaris
18 Mar – 1 Apr
6 May
8-10 wk
27 May
1 Jul
0 wk
Oregano
Origanum vulgare
1 – 15 Apr
20 May
6-8 wk
27 May
1 Jul
0 wk
21 Jun
21 Jun
4 wk after
Parsley
Petroselinum crispum
1 – 15 Apr
20 May
6-8 wk
27 May
1 Jul
0 wk
28 May
21 Jun
0 wk
Rosemary
Salvia rosmarinus
Fleece
18 Feb – 18 Mar
27 Mar
10-14 wk
27 May
5 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
Greenhouse
5 – 12 May
28 May
3-4 wk
2 Jun
18 Jun
1 wk after
Cornflower
Centaurea cyanus
27 May
11 Jul
0 wk
28 May
1 Jul
0 wk
Statice
Limonium sinuatum
Fleece
24 Mar – 7 Apr
20 Apr
8-10 wk
2 Jun
15 Jun
1 wk after
Sweet William
Dianthus barbatus
1 – 15 Apr
6-8 wk
27 May
0 wk
6 Jun
1 wk after
Snow-on-the-mountain
Euphorbia marginata
Fleece
7 – 21 Apr
4 May
6-8 wk
2 Jun
15 Jun
1 wk after
16 Jul
7 wk after
Pinnate dahlia
Dahlia × pinnata
Fleece
3 – 17 Apr
6 May
6-8 wk
29 May
17 Jun
0 wk
Pinnate dahlia (tubers)
Dahlia × pinnata
Fleece
14 Apr – 12 May
20 May
4-8 wk
9 Jun
17 Jun
2 wk after
9 Jun
2 wk after
Foxglove
Digitalis purpurea
18 Mar – 1 Apr
8-10 wk
27 May
0 wk
9 Jun
2 wk after
Busy lizzie
Impatiens walleriana
5 Apr – 3 May
23 May
8-12 wk
28 Jun
18 Jul
5 wk after
Creeping zinnia
Sanvitalia procumbens
Fleece
7 – 21 Apr
14 May
6-8 wk
2 Jun
25 Jun
1 wk after
Hyacinth bean
Dolichos lablab
Season too short
28 Apr – 12 May
4-6 wk
9 Jun
2 wk after
Chinese lantern
Physalis alkekengi
Fleece
18 Mar – 1 Apr
14 Apr
8-10 wk
27 May
9 Jun
0 wk
Love in a mist
Nigella damascena
27 May
24 Jun
0 wk
28 May
14 Jun
0 wk
Strawflower
Xerochrysum bracteatum
Fleece
7 – 21 Apr
24 Apr
6-8 wk
2 Jun
5 Jun
1 wk after
16 Jul
7 wk after
Purple-top vervain
Verbena bonariensis
Fleece
4 Mar – 1 Apr
14 Apr
8-12 wk
27 May
9 Jun
0 wk
Cardoon
Cynara cardunculus
Season too short
4 Mar – 1 Apr
17 Mar
8-12 wk
27 May
0 wk
Regal-foxtail
Ptilotus nobilis
Greenhouse
10 Mar – 7 Apr
13 Apr
8-12 wk
2 Jun
8 Jun
1 wk after
Globe amaranth
Gomphrena globosa
Greenhouse
7 – 21 Apr
27 Apr
6-8 wk
2 Jun
8 Jun
1 wk after
Corn poppy
Papaver rhoeas
27 May
9 Jul
0 wk
28 May
29 Jun
0 wk
Snapdragon
Antirrhinum majus
4 Mar – 1 Apr
4 May
8-12 wk
27 May
29 Jun
0 wk
6 Jun
19 Jun
1 wk after
Flossflower
Ageratum houstonianum
Greenhouse
24 Mar – 7 Apr
9 May
8-10 wk
2 Jun
4 Jul
1 wk after
Sweet pea
Lathyrus odoratus
1 – 22 Apr
27 May
5-8 wk
27 May
1 Jul
0 wk
Stock
Matthiola incana
1 – 15 Apr
28 May
6-8 wk
27 May
9 Jul
0 wk
9 Jun
29 Jun
2 wk after
Wormwood
Artemisia absinthium
1 – 15 Apr
30 Apr
6-8 wk
27 May
11 Jun
0 wk
9 Jun
2 wk after
Mexican sunflower
Tithonia rotundifolia
Season too short
21 Apr – 5 May
6 May
4-6 wk
2 Jun
3 Jun
1 wk after
Garden pansy
Viola × wittrockiana
18 Mar – 1 Apr
16 May
8-10 wk
27 May
11 Jul
0 wk
6 Jun
1 Jul
1 wk after
Petunia
Petunia
Fleece
10 Mar – 7 Apr
20 Apr
8-12 wk
2 Jun
15 Jun
1 wk after
Sweet Scabious
Scabiosa atropurpurea
Fleece
1 – 15 Apr
28 Apr
6-8 wk
27 May
9 Jun
0 wk
21 Jun
4 wk after
Common zinnia
Zinnia elegans
Fleece
21 Apr – 5 May
21 May
4-6 wk
2 Jun
18 Jun
1 wk after
Common morning glory
Ipomoea purpurea
Greenhouse
28 Apr – 12 May
28 May
3-5 wk
2 Jun
18 Jun
1 wk after
Garden cosmos
Cosmos bipinnatus
Fleece
21 Apr – 5 May
20 May
4-6 wk
2 Jun
17 Jun
1 wk after
21 Jun
4 wk after
Scarlet milkweed
Asclepias curassavica
Greenhouse
17 Mar – 14 Apr
13 May
8-12 wk
9 Jun
8 Jul
2 wk after
Bee balm
Monarda didyma
4 Mar – 1 Apr
14 Apr
8-12 wk
27 May
9 Jun
0 wk
21 Jun
4 wk after
Yarrow
Achillea millefolium
1 – 15 Apr
6-8 wk
27 May
0 wk
9 Jun
2 wk after
Safflower
Carthamus tinctorius
27 May
11 Jun
0 wk
28 May
1 Jun
0 wk
Iceland poppy
Papaver nudicaule
Season too short
1 – 15 Apr
20 May
6-8 wk
27 May
1 Jul
0 wk
11 May
21 Jun
2 wk before
Bishop's flower
Ammi majus
15 – 29 Apr
1 Jun
4-6 wk
27 May
29 Jun
0 wk
9 Jun
19 Jun
2 wk after
Drumsticks
Pycnosorus globosus
Season too short
10 – 24 Mar
19 Mar
10-12 wk
2 Jun
1 wk after
Sunflower
Helianthus annuus
Fleece
5 – 12 May
4 Jun
3-4 wk
2 Jun
25 Jun
1 wk after
9 Jun
15 Jun
2 wk after
China aster
Callistephus chinensis
Fleece
7 – 21 Apr
24 May
6-8 wk
2 Jun
5 Jul
1 wk after
21 Jun
25 Jun
4 wk after
Annual phlox
Phlox drummondii
7 – 21 Apr
26 Apr
6-8 wk
2 Jun
7 Jun
1 wk after
9 Jul
6 wk after
Hollyhock
Alcea rosea
1 – 15 Apr
6-8 wk
27 May
0 wk
9 Jun
2 wk after
Alpine delphinium
Delphinium elatum
4 Mar – 1 Apr
14 Apr
8-12 wk
27 May
9 Jun
0 wk
21 Jun
4 wk after
African marigold
Tagetes erecta
Fleece
7 – 21 Apr
14 May
6-8 wk
2 Jun
25 Jun
1 wk after
Black-eyed Susan
Rudbeckia hirta
3 – 17 Apr
25 Apr
6-8 wk
29 May
6 Jun
0 wk
9 Jul
6 wk after
Wood sage
Salvia nemorosa
18 Mar – 1 Apr
4 Apr
8-10 wk
27 May
30 May
0 wk
21 Jun
4 wk after
Black-eyed susan vine
Thunbergia alata
Greenhouse
24 Mar – 21 Apr
7 May
6-10 wk
2 Jun
18 Jun
1 wk after
California goldenpoppy
Eschscholzia californica
27 May
5 Jul
0 wk
28 May
25 Jun
0 wk
Painted tongue
Salpiglossis sinuata
Fleece
24 Mar – 7 Apr
24 Apr
8-10 wk
2 Jun
19 Jun
1 wk after
Water forget-me-not
Myosotis scorpioides
1 – 15 Apr
30 Apr
6-8 wk
27 May
11 Jun
0 wk
9 Jun
2 wk after