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0.2°
Near frost tonight at 04:00. Bring in or cover sensitive plants
Method
Rel. frost
Last spring frost (0°C) 25 May Frost 1 of 4 years · 20 years of data
Frost-free season 113 days 25 May – 15 Sep
Probability that frost is over

75% = 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
Date Growing timeGrow. time Date Rel. frost Date Rel. frost
Cauliflower
Brassica oleracea (Botrytis-gruppen)
Season too short
11 – 25 Apr
5-7 wk
30 May
1 wk after
16 May
1 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
2 – 16 May
4-6 wk
13 Jun
3 wk after
26 May
Vid frost
Chili pepper
Capsicum annuum
Season too short
5 Apr – 3 May
8-12 wk
28 Jun
5 wk after
Kale
Brassica oleracea (Curly Kale-gruppen)
24 Mar – 7 Apr
5-7 wk
12 May
2 wk before
25 May
Vid frost
Cucumber
Cucumis sativus
Season too short
31 May – 7 Jun
3-4 wk
28 Jun
5 wk after
Florence Fennel
Foeniculum vulgare
Season too short
24 – 31 May
4-5 wk
28 Jun
5 wk after
7 Jun
2 wk after
Butter bean
Phaseolus lunatus
Season too short
9 – 16 Jun
3-4 wk
7 Jul
6 wk after
Onion
Allium cepa (Cepa-gruppen)
2 – 30 Mar
8-12 wk
25 May
Vid frost
7 Jun
2 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
Fleece
31 May
1 wk after
31 May
1 wk after
Sweetcorn
Zea mays
Season too short
29 May – 5 Jun
3-4 wk
26 Jun
5 wk after
Chard
Beta vulgaris (Flavescens-gruppen)
Fleece
16 – 23 May
3-4 wk
13 Jun
3 wk after
31 May
1 wk after
Carrot
Daucus carota subsp. sativus var. sativus
25 May
Vid frost
Cavolo nero
Brassica oleracea (Palm Kale-gruppen)
24 Mar – 7 Apr
5-7 wk
12 May
2 wk before
25 May
Vid frost
Potato
Solanum tuberosum
23 Apr – 7 May
4-6 wk
4 Jun
1 wk after
4 Jun
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
24 Mar – 7 Apr
5-7 wk
12 May
2 wk before
26 May
Vid frost
Pumpkin
Cucurbita pepo
Season too short
31 May – 7 Jun
3-4 wk
28 Jun
5 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
Fleece
16 – 23 May
3-4 wk
13 Jun
3 wk after
31 May
1 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
2 – 16 May
4-6 wk
13 Jun
3 wk after
Lettuce
Lactuca sativa
22 – 29 Apr
3-4 wk
20 May
1 wk before
26 May
Vid frost
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
8 – 22 Apr
4-6 wk
20 May
1 wk before
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
27 Apr – 11 May
2-4 wk
25 May
Vid frost
25 May
Vid frost
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
26 May
Vid frost
26 May
Vid frost
Spinach
Spinacia oleracea
17 – 24 Apr
3-4 wk
15 May
1 wk before
22 May
Vid frost
Sweet potato
Ipomoea batatas
19 Jun – 3 Jul
4-6 wk
31 Jul
10 wk after
Tomato
Solanum lycopersicum
Season too short
26 Apr – 10 May
6-8 wk
21 Jun
4 wk after
Tomatillo
Physalis ixocarpa
French bean
Phaseolus vulgaris
Season too short
24 May – 7 Jun
2-4 wk
21 Jun
4 wk after
7 Jun
2 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
2 – 16 May
4-6 wk
13 Jun
3 wk after
Pea
Pisum sativum
17 – 24 Apr
3-4 wk
15 May
1 wk before
26 May
Vid frost
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
Season too short
15 – 29 May
4-6 wk
26 Jun
5 wk after
Lemon balm
Melissa officinalis
16 – 30 Mar
8-10 wk
25 May
Vid frost
19 Jun
4 wk after
Dill
Anethum graveolens
26 May
Vid frost
Chives
Allium schoenoprasum
17 – 31 Mar
6-8 wk
12 May
2 wk before
26 May
Vid frost
Spearmint
Mentha spicata
20 Feb – 20 Mar
8-12 wk
15 May
1 wk before
19 Jun
4 wk after
Coriander
Coriandrum sativum
7 Jun
2 wk after
Sage
Salvia officinalis
Greenhouse
21 Mar – 4 Apr
8-10 wk
30 May
1 wk after
Thyme
Thymus vulgaris
4 – 18 Apr
8-10 wk
13 Jun
3 wk after
Oregano
Origanum vulgare
4 – 18 Apr
6-8 wk
30 May
1 wk after
19 Jun
4 wk after
Parsley
Petroselinum crispum
20 Mar – 3 Apr
6-8 wk
15 May
1 wk before
26 May
Vid frost
Rosemary
Salvia rosmarinus
Season too short
21 Feb – 21 Mar
10-14 wk
30 May
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
7 – 14 Jun
3-4 wk
5 Jul
6 wk after
Cornflower
Centaurea cyanus
15 May
1 wk before
26 May
Vid frost
Statice
Limonium sinuatum
Season too short
12 – 26 Apr
8-10 wk
21 Jun
4 wk after
Sweet William
Dianthus barbatus
20 Mar – 3 Apr
6-8 wk
15 May
1 wk before
4 Jun
1 wk after
Snow-on-the-mountain
Euphorbia marginata
Season too short
26 Apr – 10 May
6-8 wk
21 Jun
4 wk after
26 Jun
5 wk after
Dahlia
Dahlia × pinnata
Season too short
18 Apr – 2 May
6-8 wk
13 Jun
3 wk after
Dahlia (tubers)
Dahlia × pinnata
Fleece
12 Apr – 10 May
4-8 wk
7 Jun
2 wk after
7 Jun
2 wk after
Foxglove
Digitalis purpurea
6 – 20 Mar
8-10 wk
15 May
1 wk before
7 Jun
2 wk after
Busy lizzie
Impatiens walleriana
Season too short
5 Apr – 3 May
8-12 wk
28 Jun
5 wk after
Creeping zinnia
Sanvitalia procumbens
Season too short
26 Apr – 10 May
6-8 wk
21 Jun
4 wk after
Hyacinth bean
Dolichos lablab
Season too short
24 May – 7 Jun
4-6 wk
5 Jul
6 wk after
Chinese lantern
Physalis alkekengi
Season too short
21 Mar – 4 Apr
8-10 wk
30 May
1 wk after
Love in a mist
Nigella damascena
26 May
Vid frost
Strawflower
Xerochrysum bracteatum
Season too short
26 Apr – 10 May
6-8 wk
21 Jun
4 wk after
26 Jun
5 wk after
Tall verbena
Verbena bonariensis
Season too short
7 Mar – 4 Apr
8-12 wk
30 May
1 wk after
Cardoon
Cynara cardunculus
Season too short
29 Mar – 26 Apr
8-12 wk
21 Jun
4 wk after
Regal-foxtail
Ptilotus nobilis
Season too short
5 Apr – 3 May
8-12 wk
28 Jun
5 wk after
Globe amaranth
Gomphrena globosa
Season too short
3 – 17 May
6-8 wk
28 Jun
5 wk after
Corn poppy
Papaver rhoeas
26 May
Vid frost
Snapdragon
Antirrhinum majus
25 Feb – 25 Mar
8-12 wk
20 May
1 wk before
4 Jun
1 wk after
Flossflower
Ageratum houstonianum
Season too short
19 Apr – 3 May
8-10 wk
28 Jun
5 wk after
Sweet pea
Lathyrus odoratus
20 Mar – 10 Apr
5-8 wk
15 May
1 wk before
Stock
Matthiola incana
25 Mar – 8 Apr
6-8 wk
20 May
1 wk before
7 Jun
2 wk after
Wormwood
Artemisia absinthium
20 Mar – 3 Apr
6-8 wk
15 May
1 wk before
7 Jun
2 wk after
Mexican sunflower
Tithonia rotundifolia
Season too short
17 – 31 May
4-6 wk
28 Jun
5 wk after
Pansy
Viola × wittrockiana
3 – 17 Mar
8-10 wk
12 May
2 wk before
4 Jun
1 wk after
Petunia
Petunia
Season too short
29 Mar – 26 Apr
8-12 wk
21 Jun
4 wk after
Scabious
Scabiosa atropurpurea
Season too short
4 – 18 Apr
6-8 wk
30 May
1 wk after
7 Jun
2 wk after
Zinnia
Zinnia elegans
Season too short
10 – 24 May
4-6 wk
21 Jun
4 wk after
Common morning glory
Ipomoea purpurea
Season too short
24 May – 7 Jun
3-5 wk
28 Jun
5 wk after
Cosmos
Cosmos bipinnatus
Season too short
10 – 24 May
4-6 wk
21 Jun
4 wk after
7 Jun
2 wk after
Scarlet milkweed
Asclepias curassavica
Season too short
12 Apr – 10 May
8-12 wk
5 Jul
6 wk after
Bee balm
Monarda didyma
2 – 30 Mar
8-12 wk
25 May
Vid frost
19 Jun
4 wk after
Yarrow
Achillea millefolium
20 Mar – 3 Apr
6-8 wk
15 May
1 wk before
7 Jun
2 wk after
Safflower
Carthamus tinctorius
15 May
1 wk before
26 May
Vid frost
Iceland poppy
Papaver nudicaule
17 – 31 Mar
6-8 wk
12 May
2 wk before
25 May
Vid frost
Bishop's flower
Ammi majus
22 Apr – 6 May
4-6 wk
3 Jun
1 wk after
7 Jun
2 wk after
Drumsticks
Pycnosorus globosus
Season too short
5 – 19 Apr
10-12 wk
28 Jun
5 wk after
Sunflower
Helianthus annuus
Season too short
24 – 31 May
3-4 wk
21 Jun
4 wk after
31 May
1 wk after
China aster
Callistephus chinensis
Season too short
26 Apr – 10 May
6-8 wk
21 Jun
4 wk after
7 Jun
2 wk after
Annual phlox
Phlox drummondii
Greenhouse
8 – 22 Apr
6-8 wk
3 Jun
1 wk after
7 Jun
2 wk after
Hollyhock
Alcea rosea
20 Mar – 3 Apr
6-8 wk
15 May
1 wk before
7 Jun
2 wk after
Delphinium
Delphinium elatum
21 Mar – 18 Apr
8-12 wk
13 Jun
3 wk after
19 Jun
4 wk after
African marigold
Tagetes erecta
Season too short
26 Apr – 10 May
6-8 wk
21 Jun
4 wk after
Black-eyed Susan
Rudbeckia hirta
Greenhouse
4 – 18 Apr
6-8 wk
30 May
1 wk after
7 Jun
2 wk after
Woodland sage
Salvia nemorosa
21 Mar – 4 Apr
8-10 wk
30 May
1 wk after
19 Jun
4 wk after
Black-eyed susan vine
Thunbergia alata
Season too short
19 Apr – 17 May
6-10 wk
28 Jun
5 wk after
California goldenpoppy
Eschscholzia californica
26 May
Vid frost
Painted tongue
Salpiglossis sinuata
Season too short
12 – 26 Apr
8-10 wk
21 Jun
4 wk after
Water forget-me-not
Myosotis scorpioides
20 Mar – 3 Apr
6-8 wk
15 May
1 wk before
7 Jun
2 wk after
Current date Soon Date passed