Create your calendar
-2.6°
Last 24h: Slight frost recorded tonight at 03:00. Inspect for frost damage
Method
Rel. frost
Last spring frost (0°C) 23 May Frost 1 of 10 years · 20 years of data
Frost-free season 156 days 23 May – 26 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
13 – 27 Apr
5-7 wk
1 Jun
1 wk after
19 Apr
5 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
1 – 15 May
4-6 wk
12 Jun
3 wk after
17 May
1 wk before
Chili pepper
Capsicum annuum
Season too short
10 Apr – 8 May
8-12 wk
3 Jul
6 wk after
Kale
Brassica oleracea (Curly Kale-gruppen)
5 – 19 Mar
5-7 wk
23 Apr
4 wk before
10 May
2 wk before
Cucumber
Cucumis sativus
Season too short
5 – 12 Jun
3-4 wk
3 Jul
6 wk after
Florence Fennel
Foeniculum vulgare
Season too short
29 May – 5 Jun
4-5 wk
3 Jul
6 wk after
5 Jun
2 wk after
Butter bean
Phaseolus lunatus
Greenhouse
5 – 12 Jun
3-4 wk
3 Jul
6 wk after
Onion
Allium cepa (Cepa-gruppen)
28 Feb – 28 Mar
8-12 wk
23 May
Vid frost
5 Jun
2 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
5 Jun
2 wk after
5 Jun
2 wk after
Sweetcorn
Zea mays
Fleece
10 – 17 Jun
3-4 wk
8 Jul
7 wk after
Chard
Beta vulgaris (Flavescens-gruppen)
27 May – 3 Jun
3-4 wk
24 Jun
5 wk after
5 Jun
2 wk after
Carrot
Daucus carota subsp. sativus var. sativus
10 May
2 wk before
Cavolo nero
Brassica oleracea (Palm Kale-gruppen)
5 – 19 Mar
5-7 wk
23 Apr
4 wk before
10 May
2 wk before
Potato
Solanum tuberosum
16 – 30 Apr
4-6 wk
28 May
1 wk after
28 May
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
5 – 19 Mar
5-7 wk
23 Apr
4 wk before
17 May
1 wk before
Pumpkin
Cucurbita pepo
Greenhouse
5 – 12 Jun
3-4 wk
3 Jul
6 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
27 May – 3 Jun
3-4 wk
24 Jun
5 wk after
5 Jun
2 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
1 – 15 May
4-6 wk
12 Jun
3 wk after
Lettuce
Lactuca sativa
16 – 23 Apr
3-4 wk
14 May
1 wk before
17 May
1 wk before
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
2 – 16 Apr
4-6 wk
14 May
1 wk before
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
12 – 26 Apr
2-4 wk
10 May
2 wk before
10 May
2 wk before
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
17 May
1 wk before
17 May
1 wk before
Spinach
Spinacia oleracea
5 – 12 Apr
3-4 wk
3 May
3 wk before
3 May
3 wk before
Sweet potato
Ipomoea batatas
24 Jun – 8 Jul
4-6 wk
5 Aug
11 wk after
Tomato
Solanum lycopersicum
Greenhouse
23 Apr – 7 May
6-8 wk
18 Jun
4 wk after
Tomatillo
Physalis ixocarpa
French bean
Phaseolus vulgaris
Greenhouse
21 May – 4 Jun
2-4 wk
18 Jun
4 wk after
5 Jun
2 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
1 – 15 May
4-6 wk
12 Jun
3 wk after
Pea
Pisum sativum
5 – 12 Apr
3-4 wk
3 May
3 wk before
17 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
27 May – 10 Jun
4-6 wk
8 Jul
7 wk after
Lemon balm
Melissa officinalis
14 – 28 Mar
8-10 wk
23 May
Vid frost
18 Jun
4 wk after
Dill
Anethum graveolens
17 May
1 wk before
Chives
Allium schoenoprasum
26 Feb – 12 Mar
6-8 wk
23 Apr
4 wk before
17 May
1 wk before
Spearmint
Mentha spicata
8 Feb – 8 Mar
8-12 wk
3 May
3 wk before
18 Jun
4 wk after
Coriander
Coriandrum sativum
5 Jun
2 wk after
Sage
Salvia officinalis
Fleece
3 – 17 Apr
8-10 wk
12 Jun
3 wk after
Thyme
Thymus vulgaris
3 – 17 Apr
8-10 wk
12 Jun
3 wk after
Oregano
Origanum vulgare
6 – 20 Apr
6-8 wk
1 Jun
1 wk after
18 Jun
4 wk after
Parsley
Petroselinum crispum
8 – 22 Mar
6-8 wk
3 May
3 wk before
17 May
1 wk before
Rosemary
Salvia rosmarinus
Greenhouse
23 Feb – 23 Mar
10-14 wk
1 Jun
1 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
20 – 27 Jun
3-4 wk
18 Jul
8 wk after
Cornflower
Centaurea cyanus
3 May
3 wk before
17 May
1 wk before
Statice
Limonium sinuatum
Greenhouse
9 – 23 Apr
8-10 wk
18 Jun
4 wk after
Sweet William
Dianthus barbatus
8 – 22 Mar
6-8 wk
3 May
3 wk before
28 May
1 wk after
Snow-on-the-mountain
Euphorbia marginata
Greenhouse
23 Apr – 7 May
6-8 wk
18 Jun
4 wk after
25 Jun
5 wk after
Dahlia
Dahlia × pinnata
Greenhouse
17 Apr – 1 May
6-8 wk
12 Jun
3 wk after
Dahlia (tubers)
Dahlia × pinnata
23 Apr – 21 May
4-8 wk
18 Jun
4 wk after
18 Jun
4 wk after
Foxglove
Digitalis purpurea
22 Feb – 8 Mar
8-10 wk
3 May
3 wk before
5 Jun
2 wk after
Busy lizzie
Impatiens walleriana
Fleece
25 Apr – 23 May
8-12 wk
18 Jul
8 wk after
Creeping zinnia
Sanvitalia procumbens
Greenhouse
23 Apr – 7 May
6-8 wk
18 Jun
4 wk after
Hyacinth bean
Dolichos lablab
Season too short
6 – 20 Jun
4-6 wk
18 Jul
8 wk after
Chinese lantern
Physalis alkekengi
Greenhouse
23 Mar – 6 Apr
8-10 wk
1 Jun
1 wk after
Love in a mist
Nigella damascena
17 May
1 wk before
Strawflower
Xerochrysum bracteatum
Greenhouse
23 Apr – 7 May
6-8 wk
18 Jun
4 wk after
25 Jun
5 wk after
Tall verbena
Verbena bonariensis
Greenhouse
9 Mar – 6 Apr
8-12 wk
1 Jun
1 wk after
Cardoon
Cynara cardunculus
Season too short
26 Mar – 23 Apr
8-12 wk
18 Jun
4 wk after
Regal-foxtail
Ptilotus nobilis
Season too short
10 Apr – 8 May
8-12 wk
3 Jul
6 wk after
Globe amaranth
Gomphrena globosa
Season too short
8 – 22 May
6-8 wk
3 Jul
6 wk after
Corn poppy
Papaver rhoeas
17 May
1 wk before
Snapdragon
Antirrhinum majus
19 Feb – 19 Mar
8-12 wk
14 May
1 wk before
28 May
1 wk after
Flossflower
Ageratum houstonianum
Season too short
24 Apr – 8 May
8-10 wk
3 Jul
6 wk after
Sweet pea
Lathyrus odoratus
8 – 29 Mar
5-8 wk
3 May
3 wk before
Stock
Matthiola incana
19 Mar – 2 Apr
6-8 wk
14 May
1 wk before
5 Jun
2 wk after
Wormwood
Artemisia absinthium
8 – 22 Mar
6-8 wk
3 May
3 wk before
5 Jun
2 wk after
Mexican sunflower
Tithonia rotundifolia
Season too short
22 May – 5 Jun
4-6 wk
3 Jul
6 wk after
Pansy
Viola × wittrockiana
12 – 26 Feb
8-10 wk
23 Apr
4 wk before
28 May
1 wk after
Petunia
Petunia
Greenhouse
26 Mar – 23 Apr
8-12 wk
18 Jun
4 wk after
Scabious
Scabiosa atropurpurea
Greenhouse
6 – 20 Apr
6-8 wk
1 Jun
1 wk after
5 Jun
2 wk after
Zinnia
Zinnia elegans
Greenhouse
7 – 21 May
4-6 wk
18 Jun
4 wk after
Common morning glory
Ipomoea purpurea
Season too short
29 May – 12 Jun
3-5 wk
3 Jul
6 wk after
Cosmos
Cosmos bipinnatus
Greenhouse
7 – 21 May
4-6 wk
18 Jun
4 wk after
5 Jun
2 wk after
Scarlet milkweed
Asclepias curassavica
Season too short
25 Apr – 23 May
8-12 wk
18 Jul
8 wk after
Bee balm
Monarda didyma
28 Feb – 28 Mar
8-12 wk
23 May
Vid frost
18 Jun
4 wk after
Yarrow
Achillea millefolium
8 – 22 Mar
6-8 wk
3 May
3 wk before
5 Jun
2 wk after
Safflower
Carthamus tinctorius
3 May
3 wk before
17 May
1 wk before
Iceland poppy
Papaver nudicaule
26 Feb – 12 Mar
6-8 wk
23 Apr
4 wk before
10 May
2 wk before
Bishop's flower
Ammi majus
26 Apr – 10 May
4-6 wk
7 Jun
2 wk after
5 Jun
2 wk after
Drumsticks
Pycnosorus globosus
Season too short
10 – 24 Apr
10-12 wk
3 Jul
6 wk after
Sunflower
Helianthus annuus
Greenhouse
21 – 28 May
3-4 wk
18 Jun
4 wk after
22 May
China aster
Callistephus chinensis
Greenhouse
23 Apr – 7 May
6-8 wk
18 Jun
4 wk after
5 Jun
2 wk after
Annual phlox
Phlox drummondii
Fleece
23 Apr – 7 May
6-8 wk
18 Jun
4 wk after
18 Jun
4 wk after
Hollyhock
Alcea rosea
8 – 22 Mar
6-8 wk
3 May
3 wk before
5 Jun
2 wk after
Delphinium
Delphinium elatum
20 Mar – 17 Apr
8-12 wk
12 Jun
3 wk after
18 Jun
4 wk after
African marigold
Tagetes erecta
Greenhouse
23 Apr – 7 May
6-8 wk
18 Jun
4 wk after
Black-eyed Susan
Rudbeckia hirta
Fleece
17 Apr – 1 May
6-8 wk
12 Jun
3 wk after
18 Jun
4 wk after
Woodland sage
Salvia nemorosa
23 Mar – 6 Apr
8-10 wk
1 Jun
1 wk after
18 Jun
4 wk after
Black-eyed susan vine
Thunbergia alata
Season too short
24 Apr – 22 May
6-10 wk
3 Jul
6 wk after
California goldenpoppy
Eschscholzia californica
17 May
1 wk before
Painted tongue
Salpiglossis sinuata
Greenhouse
9 – 23 Apr
8-10 wk
18 Jun
4 wk after
Water forget-me-not
Myosotis scorpioides
8 – 22 Mar
6-8 wk
3 May
3 wk before
5 Jun
2 wk after
Current date Soon Date passed