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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) 22 May Normal year · 20 years of data
Frost-free season 108 days 22 May – 7 Sep
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
8 – 22 Apr
5-7 wk
27 May
1 wk after
13 May
1 wk before
Broccoli
Brassica oleracea (Italica-gruppen)
29 Apr – 13 May
4-6 wk
10 Jun
3 wk after
23 May
Vid frost
Chili pepper
Capsicum annuum
Season too short
2 – 30 Apr
8-12 wk
25 Jun
5 wk after
Kale
Brassica oleracea (Curly Kale-gruppen)
21 Mar – 4 Apr
5-7 wk
9 May
2 wk before
22 May
Vid frost
Cucumber
Cucumis sativus
Season too short
28 May – 4 Jun
3-4 wk
25 Jun
5 wk after
Florence Fennel
Foeniculum vulgare
Season too short
21 – 28 May
4-5 wk
25 Jun
5 wk after
4 Jun
2 wk after
Butter bean
Phaseolus lunatus
Season too short
6 – 13 Jun
3-4 wk
4 Jul
6 wk after
Onion
Allium cepa (Cepa-gruppen)
27 Feb – 27 Mar
8-12 wk
22 May
Vid frost
4 Jun
2 wk after
Onion (sets)
Allium cepa (Cepa-gruppen)
Fleece
28 May
1 wk after
28 May
1 wk after
Sweetcorn
Zea mays
Season too short
26 May – 2 Jun
3-4 wk
23 Jun
5 wk after
Chard
Beta vulgaris (Flavescens-gruppen)
Fleece
13 – 20 May
3-4 wk
10 Jun
3 wk after
28 May
1 wk after
Carrot
Daucus carota subsp. sativus var. sativus
22 May
Vid frost
Cavolo nero
Brassica oleracea (Palm Kale-gruppen)
21 Mar – 4 Apr
5-7 wk
9 May
2 wk before
22 May
Vid frost
Potato
Solanum tuberosum
20 Apr – 4 May
4-6 wk
1 Jun
1 wk after
1 Jun
1 wk after
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
21 Mar – 4 Apr
5-7 wk
9 May
2 wk before
23 May
Vid frost
Pumpkin
Cucurbita pepo
Season too short
28 May – 4 Jun
3-4 wk
25 Jun
5 wk after
Beetroot
Beta vulgaris (Conditiva-gruppen)
Fleece
13 – 20 May
3-4 wk
10 Jun
3 wk after
28 May
1 wk after
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
29 Apr – 13 May
4-6 wk
10 Jun
3 wk after
Lettuce
Lactuca sativa
19 – 26 Apr
3-4 wk
17 May
1 wk before
23 May
Vid frost
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
5 – 19 Apr
4-6 wk
17 May
1 wk before
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
24 Apr – 8 May
2-4 wk
22 May
Vid frost
22 May
Vid frost
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
23 May
Vid frost
23 May
Vid frost
Spinach
Spinacia oleracea
14 – 21 Apr
3-4 wk
12 May
1 wk before
19 May
Vid frost
Sweet potato
Ipomoea batatas
16 – 30 Jun
4-6 wk
28 Jul
10 wk after
Tomato
Solanum lycopersicum
Season too short
23 Apr – 7 May
6-8 wk
18 Jun
4 wk after
Tomatillo
Physalis ixocarpa
French bean
Phaseolus vulgaris
Season too short
21 May – 4 Jun
2-4 wk
18 Jun
4 wk after
4 Jun
2 wk after
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
29 Apr – 13 May
4-6 wk
10 Jun
3 wk after
Pea
Pisum sativum
14 – 21 Apr
3-4 wk
12 May
1 wk before
23 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
12 – 26 May
4-6 wk
23 Jun
5 wk after
Lemon balm
Melissa officinalis
13 – 27 Mar
8-10 wk
22 May
Vid frost
16 Jun
4 wk after
Dill
Anethum graveolens
23 May
Vid frost
Chives
Allium schoenoprasum
14 – 28 Mar
6-8 wk
9 May
2 wk before
23 May
Vid frost
Spearmint
Mentha spicata
17 Feb – 17 Mar
8-12 wk
12 May
1 wk before
16 Jun
4 wk after
Coriander
Coriandrum sativum
4 Jun
2 wk after
Sage
Salvia officinalis
Greenhouse
18 Mar – 1 Apr
8-10 wk
27 May
1 wk after
Thyme
Thymus vulgaris
1 – 15 Apr
8-10 wk
10 Jun
3 wk after
Oregano
Origanum vulgare
1 – 15 Apr
6-8 wk
27 May
1 wk after
16 Jun
4 wk after
Parsley
Petroselinum crispum
17 – 31 Mar
6-8 wk
12 May
1 wk before
23 May
Vid frost
Rosemary
Salvia rosmarinus
Season too short
18 Feb – 18 Mar
10-14 wk
27 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
4 – 11 Jun
3-4 wk
2 Jul
6 wk after
Cornflower
Centaurea cyanus
12 May
1 wk before
23 May
Vid frost
Statice
Limonium sinuatum
Season too short
9 – 23 Apr
8-10 wk
18 Jun
4 wk after
Sweet William
Dianthus barbatus
17 – 31 Mar
6-8 wk
12 May
1 wk before
1 Jun
1 wk after
Snow-on-the-mountain
Euphorbia marginata
Season too short
23 Apr – 7 May
6-8 wk
18 Jun
4 wk after
23 Jun
5 wk after
Dahlia
Dahlia × pinnata
Season too short
15 – 29 Apr
6-8 wk
10 Jun
3 wk after
Dahlia (tubers)
Dahlia × pinnata
Fleece
9 Apr – 7 May
4-8 wk
4 Jun
2 wk after
4 Jun
2 wk after
Foxglove
Digitalis purpurea
3 – 17 Mar
8-10 wk
12 May
1 wk before
4 Jun
2 wk after
Busy lizzie
Impatiens walleriana
Season too short
2 – 30 Apr
8-12 wk
25 Jun
5 wk after
Creeping zinnia
Sanvitalia procumbens
Season too short
23 Apr – 7 May
6-8 wk
18 Jun
4 wk after
Hyacinth bean
Dolichos lablab
Season too short
21 May – 4 Jun
4-6 wk
2 Jul
6 wk after
Chinese lantern
Physalis alkekengi
Season too short
18 Mar – 1 Apr
8-10 wk
27 May
1 wk after
Love in a mist
Nigella damascena
23 May
Vid frost
Strawflower
Xerochrysum bracteatum
Season too short
23 Apr – 7 May
6-8 wk
18 Jun
4 wk after
23 Jun
5 wk after
Tall verbena
Verbena bonariensis
Season too short
4 Mar – 1 Apr
8-12 wk
27 May
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
2 – 30 Apr
8-12 wk
25 Jun
5 wk after
Globe amaranth
Gomphrena globosa
Season too short
30 Apr – 14 May
6-8 wk
25 Jun
5 wk after
Corn poppy
Papaver rhoeas
23 May
Vid frost
Snapdragon
Antirrhinum majus
22 Feb – 22 Mar
8-12 wk
17 May
1 wk before
1 Jun
1 wk after
Flossflower
Ageratum houstonianum
Season too short
16 – 30 Apr
8-10 wk
25 Jun
5 wk after
Sweet pea
Lathyrus odoratus
17 Mar – 7 Apr
5-8 wk
12 May
1 wk before
Stock
Matthiola incana
22 Mar – 5 Apr
6-8 wk
17 May
1 wk before
4 Jun
2 wk after
Wormwood
Artemisia absinthium
17 – 31 Mar
6-8 wk
12 May
1 wk before
4 Jun
2 wk after
Mexican sunflower
Tithonia rotundifolia
Season too short
14 – 28 May
4-6 wk
25 Jun
5 wk after
Pansy
Viola × wittrockiana
28 Feb – 14 Mar
8-10 wk
9 May
2 wk before
1 Jun
1 wk after
Petunia
Petunia
Season too short
26 Mar – 23 Apr
8-12 wk
18 Jun
4 wk after
Scabious
Scabiosa atropurpurea
Season too short
1 – 15 Apr
6-8 wk
27 May
1 wk after
4 Jun
2 wk after
Zinnia
Zinnia elegans
Season too short
7 – 21 May
4-6 wk
18 Jun
4 wk after
Common morning glory
Ipomoea purpurea
Season too short
21 May – 4 Jun
3-5 wk
25 Jun
5 wk after
Cosmos
Cosmos bipinnatus
Season too short
7 – 21 May
4-6 wk
18 Jun
4 wk after
4 Jun
2 wk after
Scarlet milkweed
Asclepias curassavica
Season too short
9 Apr – 7 May
8-12 wk
2 Jul
6 wk after
Bee balm
Monarda didyma
27 Feb – 27 Mar
8-12 wk
22 May
Vid frost
16 Jun
4 wk after
Yarrow
Achillea millefolium
17 – 31 Mar
6-8 wk
12 May
1 wk before
4 Jun
2 wk after
Safflower
Carthamus tinctorius
12 May
1 wk before
23 May
Vid frost
Iceland poppy
Papaver nudicaule
14 – 28 Mar
6-8 wk
9 May
2 wk before
22 May
Vid frost
Bishop's flower
Ammi majus
19 Apr – 3 May
4-6 wk
31 May
1 wk after
4 Jun
2 wk after
Drumsticks
Pycnosorus globosus
Season too short
2 – 16 Apr
10-12 wk
25 Jun
5 wk after
Sunflower
Helianthus annuus
Season too short
21 – 28 May
3-4 wk
18 Jun
4 wk after
28 May
1 wk after
China aster
Callistephus chinensis
Season too short
23 Apr – 7 May
6-8 wk
18 Jun
4 wk after
4 Jun
2 wk after
Annual phlox
Phlox drummondii
Greenhouse
5 – 19 Apr
6-8 wk
31 May
1 wk after
4 Jun
2 wk after
Hollyhock
Alcea rosea
17 – 31 Mar
6-8 wk
12 May
1 wk before
4 Jun
2 wk after
Delphinium
Delphinium elatum
18 Mar – 15 Apr
8-12 wk
10 Jun
3 wk after
16 Jun
4 wk after
African marigold
Tagetes erecta
Season too short
23 Apr – 7 May
6-8 wk
18 Jun
4 wk after
Black-eyed Susan
Rudbeckia hirta
Greenhouse
1 – 15 Apr
6-8 wk
27 May
1 wk after
4 Jun
2 wk after
Woodland sage
Salvia nemorosa
18 Mar – 1 Apr
8-10 wk
27 May
1 wk after
16 Jun
4 wk after
Black-eyed susan vine
Thunbergia alata
Season too short
16 Apr – 14 May
6-10 wk
25 Jun
5 wk after
California goldenpoppy
Eschscholzia californica
23 May
Vid frost
Painted tongue
Salpiglossis sinuata
Season too short
9 – 23 Apr
8-10 wk
18 Jun
4 wk after
Water forget-me-not
Myosotis scorpioides
17 – 31 Mar
6-8 wk
12 May
1 wk before
4 Jun
2 wk after
Current date Soon Date passed