Create your calendar
-3.2°
Slight frost tomorrow morning at 06:00. Frost temperatures between 23:00 – tomorrow 23:00. Bring in or cover sensitive plants
Method
Rel. frost
Last spring frost (0°C) 17 May Frost 1 of 10 years · 20 years of data
Frost-free season 153 days 17 May – 17 Oct
Probability that frost is over

90% = Half of years are frost-free by this date. More about frost & season →

Custom date

Vegetables

Plant Sow indoors Transplant Direct sow
Date Growing timeGrow. time Date Rel. frost Date Rel. frost
Cauliflower
Brassica oleracea (Botrytis-gruppen)
Greenhouse
4 – 18 Apr
5-7 wk
23 May
1 wk after
18 Apr
4 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
22 Apr – 6 May
4-6 wk
3 Jun
2 wk after
13 May
1 wk before
Chili pepper
Capsicum annuum
Season too short
29 Mar – 26 Apr
8-12 wk
21 Jun
5 wk after
Kale
Brassica oleracea (Curly Kale-gruppen)
5 – 19 Mar
5-7 wk
23 Apr
4 wk before
9 May
2 wk before
Cucumber
Cucumis sativus
Greenhouse
24 – 31 May
3-4 wk
21 Jun
5 wk after
Florence Fennel
Foeniculum vulgare
Season too short
17 – 24 May
4-5 wk
21 Jun
5 wk after
27 May
1 wk after
Butter bean
Phaseolus lunatus
Season too short
25 May – 1 Jun
3-4 wk
22 Jun
5 wk after
Onion
Allium cepa (Cepa-gruppen)
22 Feb – 22 Mar
8-12 wk
17 May
Vid frost
30 May
1 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
30 May
1 wk after
Sweetcorn
Zea mays
Greenhouse
17 – 24 May
3-4 wk
14 Jun
4 wk after
Chard
Beta vulgaris (Flavescens-gruppen)
19 – 26 May
3-4 wk
16 Jun
4 wk after
30 May
1 wk after
Carrot
Daucus carota subsp. sativus var. sativus
9 May
2 wk before
Cavolo nero
Brassica oleracea (Palm Kale-gruppen)
5 – 19 Mar
5-7 wk
23 Apr
4 wk before
9 May
2 wk before
Potato
Solanum tuberosum
23 May – 6 Jun
4-6 wk
4 Jul
7 wk after
25 May
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
5 – 19 Mar
5-7 wk
23 Apr
4 wk before
13 May
1 wk before
Pumpkin
Cucurbita pepo
Fleece
5 – 12 Jun
3-4 wk
3 Jul
7 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
19 – 26 May
3-4 wk
16 Jun
4 wk after
30 May
1 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
22 Apr – 6 May
4-6 wk
3 Jun
2 wk after
Lettuce
Lactuca sativa
12 – 19 Apr
3-4 wk
10 May
1 wk before
13 May
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
29 Mar – 12 Apr
4-6 wk
10 May
1 wk before
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
4 – 18 Apr
2-4 wk
2 May
2 wk before
9 May
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
13 May
1 wk before
Spinach
Spinacia oleracea
4 – 11 Apr
3-4 wk
2 May
2 wk before
4 May
3 wk before
Sweet potato
Ipomoea batatas
4 – 18 Jun
4-6 wk
16 Jul
8 wk after
Tomato
Solanum lycopersicum
Fleece
26 Apr – 10 May
6-8 wk
21 Jun
5 wk after
Tomatillo
Physalis ixocarpa
French bean
Phaseolus vulgaris
Fleece
24 May – 7 Jun
2-4 wk
21 Jun
5 wk after
7 Jun
3 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
22 Apr – 6 May
4-6 wk
3 Jun
2 wk after
Pea
Pisum sativum
4 – 11 Apr
3-4 wk
2 May
2 wk before
13 May
1 wk before
Current date Soon Date passed

Herbs

Plant Sow indoors Transplant Direct sow
Date Growing timeGrow. time Date Rel. frost Date Rel. frost
Basil
Ocimum basilicum
Fleece
21 May – 4 Jun
4-6 wk
2 Jul
7 wk after
Lemon balm
Melissa officinalis
8 – 22 Mar
8-10 wk
17 May
Vid frost
11 Jun
3 wk after
Dill
Anethum graveolens
13 May
1 wk before
Chives
Allium schoenoprasum
26 Feb – 12 Mar
6-8 wk
23 Apr
4 wk before
13 May
1 wk before
Spearmint
Mentha spicata
7 Feb – 7 Mar
8-12 wk
2 May
2 wk before
11 Jun
3 wk after
Coriander
Coriandrum sativum
30 May
1 wk after
Sage
Salvia officinalis
7 – 21 Apr
8-10 wk
16 Jun
4 wk after
Thyme
Thymus vulgaris
25 Mar – 8 Apr
8-10 wk
3 Jun
2 wk after
Oregano
Origanum vulgare
28 Mar – 11 Apr
6-8 wk
23 May
1 wk after
11 Jun
3 wk after
Parsley
Petroselinum crispum
7 – 21 Mar
6-8 wk
2 May
2 wk before
13 May
1 wk before
Rosemary
Salvia rosmarinus
Fleece
22 Feb – 22 Mar
10-14 wk
31 May
2 wk after
Current date Soon Date passed

Annual flowers

Plant Sow indoors Transplant Direct sow
Date Growing timeGrow. time Date Rel. frost Date Rel. frost
Morning glory
Ipomoea tricolor
Season too short
5 – 12 Jun
3-4 wk
3 Jul
7 wk after
Cornflower
Centaurea cyanus
2 May
2 wk before
13 May
1 wk before
Statice
Limonium sinuatum
Greenhouse
30 Mar – 13 Apr
8-10 wk
8 Jun
3 wk after
Sweet William
Dianthus barbatus
7 – 21 Mar
6-8 wk
2 May
2 wk before
25 May
1 wk after
Snow-on-the-mountain
Euphorbia marginata
Greenhouse
13 – 27 Apr
6-8 wk
8 Jun
3 wk after
14 Jun
4 wk after
Dahlia
Dahlia × pinnata
Greenhouse
5 – 19 Apr
6-8 wk
31 May
2 wk after
Dahlia (tubers)
Dahlia × pinnata
4 May – 1 Jun
4-8 wk
29 Jun
6 wk after
11 Jun
3 wk after
Foxglove
Digitalis purpurea
21 Feb – 7 Mar
8-10 wk
2 May
2 wk before
30 May
1 wk after
Busy lizzie
Impatiens walleriana
19 Apr – 17 May
8-12 wk
12 Jul
8 wk after
Creeping zinnia
Sanvitalia procumbens
Fleece
26 Apr – 10 May
6-8 wk
21 Jun
5 wk after
Hyacinth bean
Dolichos lablab
Season too short
22 May – 5 Jun
4-6 wk
3 Jul
7 wk after
Chinese lantern
Physalis alkekengi
Fleece
22 Mar – 5 Apr
8-10 wk
31 May
2 wk after
Love in a mist
Nigella damascena
13 May
1 wk before
Strawflower
Xerochrysum bracteatum
Greenhouse
13 – 27 Apr
6-8 wk
8 Jun
3 wk after
14 Jun
4 wk after
Tall verbena
Verbena bonariensis
Fleece
8 Mar – 5 Apr
8-12 wk
31 May
2 wk after
Cardoon
Cynara cardunculus
Season too short
16 Mar – 13 Apr
8-12 wk
8 Jun
3 wk after
Regal-foxtail
Ptilotus nobilis
Season too short
29 Mar – 26 Apr
8-12 wk
21 Jun
5 wk after
Globe amaranth
Gomphrena globosa
Season too short
26 Apr – 10 May
6-8 wk
21 Jun
5 wk after
Corn poppy
Papaver rhoeas
13 May
1 wk before
Snapdragon
Antirrhinum majus
15 Feb – 15 Mar
8-12 wk
10 May
1 wk before
25 May
1 wk after
Flossflower
Ageratum houstonianum
Greenhouse
12 – 26 Apr
8-10 wk
21 Jun
5 wk after
Sweet pea
Lathyrus odoratus
7 – 28 Mar
5-8 wk
2 May
2 wk before
Stock
Matthiola incana
15 – 29 Mar
6-8 wk
10 May
1 wk before
30 May
1 wk after
Wormwood
Artemisia absinthium
7 – 21 Mar
6-8 wk
2 May
2 wk before
30 May
1 wk after
Mexican sunflower
Tithonia rotundifolia
Season too short
10 – 24 May
4-6 wk
21 Jun
5 wk after
Pansy
Viola × wittrockiana
12 – 26 Feb
8-10 wk
23 Apr
4 wk before
25 May
1 wk after
Petunia
Petunia
Greenhouse
16 Mar – 13 Apr
8-12 wk
8 Jun
3 wk after
Scabious
Scabiosa atropurpurea
Fleece
5 – 19 Apr
6-8 wk
31 May
2 wk after
7 Jun
3 wk after
Zinnia
Zinnia elegans
Fleece
10 – 24 May
4-6 wk
21 Jun
5 wk after
Common morning glory
Ipomoea purpurea
Greenhouse
17 – 31 May
3-5 wk
21 Jun
5 wk after
Cosmos
Cosmos bipinnatus
Greenhouse
27 Apr – 11 May
4-6 wk
8 Jun
3 wk after
27 May
1 wk after
Scarlet milkweed
Asclepias curassavica
Season too short
10 Apr – 8 May
8-12 wk
3 Jul
7 wk after
Bee balm
Monarda didyma
22 Feb – 22 Mar
8-12 wk
17 May
Vid frost
11 Jun
3 wk after
Yarrow
Achillea millefolium
7 – 21 Mar
6-8 wk
2 May
2 wk before
30 May
1 wk after
Safflower
Carthamus tinctorius
2 May
2 wk before
13 May
1 wk before
Iceland poppy
Papaver nudicaule
26 Feb – 12 Mar
6-8 wk
23 Apr
4 wk before
9 May
2 wk before
Bishop's flower
Ammi majus
16 – 30 Apr
4-6 wk
28 May
1 wk after
30 May
1 wk after
Drumsticks
Pycnosorus globosus
Season too short
29 Mar – 12 Apr
10-12 wk
21 Jun
5 wk after
Sunflower
Helianthus annuus
Greenhouse
11 – 18 May
3-4 wk
8 Jun
3 wk after
16 May
China aster
Callistephus chinensis
Greenhouse
13 – 27 Apr
6-8 wk
8 Jun
3 wk after
27 May
1 wk after
Annual phlox
Phlox drummondii
27 Apr – 11 May
6-8 wk
22 Jun
5 wk after
27 Jun
5 wk after
Hollyhock
Alcea rosea
7 – 21 Mar
6-8 wk
2 May
2 wk before
30 May
1 wk after
Delphinium
Delphinium elatum
11 Mar – 8 Apr
8-12 wk
3 Jun
2 wk after
11 Jun
3 wk after
African marigold
Tagetes erecta
Fleece
26 Apr – 10 May
6-8 wk
21 Jun
5 wk after
Black-eyed Susan
Rudbeckia hirta
21 Apr – 5 May
6-8 wk
16 Jun
4 wk after
27 Jun
5 wk after
Woodland sage
Salvia nemorosa
14 – 28 Mar
8-10 wk
23 May
1 wk after
11 Jun
3 wk after
Black-eyed susan vine
Thunbergia alata
Greenhouse
12 Apr – 10 May
6-10 wk
21 Jun
5 wk after
California goldenpoppy
Eschscholzia californica
13 May
1 wk before
Painted tongue
Salpiglossis sinuata
Greenhouse
30 Mar – 13 Apr
8-10 wk
8 Jun
3 wk after
Water forget-me-not
Myosotis scorpioides
7 – 21 Mar
6-8 wk
2 May
2 wk before
30 May
1 wk after
Current date Soon Date passed