Planting Calendar: Helsinki
Nyland, Southern Finland, Finland
-1.8°
Slight frost
tomorrow morning at 07:00. Frost temperatures between tomorrow 03:00 – 09:00.
Bring in or cover sensitive plants
Method
Rel. frost
Last spring frost (0°C)
27 Apr
Normal year · 20 years of data
Frost-free season
174 days
27 Apr – 18 Oct
Probability that frost is over
50% = Half of years are frost-free by this date. More about frost & season →
Custom date
Vegetables
| Plant | Sow indoors | Transplant | Direct sow | |||
|---|---|---|---|---|---|---|
| Date | Grow. time | Date | Rel. frost | Date | Rel. frost | |
|
Cauliflower
Brassica oleracea (Botrytis-gruppen)
Fleece
|
23 Mar – 6 Apr
|
5-7 wk |
11 May
|
2 wk after |
9 Apr
|
3 wk before |
|
Broccoli
Brassica oleracea (Italica-gruppen)
|
2 – 16 Apr
|
4-6 wk |
14 May
|
2 wk after |
23 Apr
|
1 wk before |
|
Chili pepper
Capsicum annuum
Fleece
|
21 Mar – 18 Apr
|
8-12 wk |
13 Jun
|
7 wk after | ||
|
Kale
Brassica oleracea (Curly Kale-gruppen)
|
13 – 27 Feb
|
5-7 wk |
3 Apr
|
4 wk before |
19 Apr
|
2 wk before |
|
Cucumber
Cucumis sativus
Fleece
|
16 – 23 May
|
3-4 wk |
13 Jun
|
7 wk after | ||
|
Florence Fennel
Foeniculum vulgare
Fleece
|
9 – 16 May
|
4-5 wk |
13 Jun
|
7 wk after |
18 May
|
3 wk after |
|
Butter bean
Phaseolus lunatus
Greenhouse
|
5 – 12 May
|
3-4 wk |
2 Jun
|
5 wk after | ||
|
Onion
Allium cepa (Cepa-gruppen)
|
2 Feb – 2 Mar
|
8-12 wk |
27 Apr
|
Vid frost |
10 May
|
1 wk after |
|
Onion (sets)
Allium cepa (Cepa-gruppen)
|
10 May
|
1 wk after | ||||
|
Sweetcorn
Zea mays
Fleece
|
15 – 22 May
|
3-4 wk |
12 Jun
|
7 wk after | ||
|
Chard
Beta vulgaris (Flavescens-gruppen)
|
29 Apr – 6 May
|
3-4 wk |
27 May
|
4 wk after |
10 May
|
1 wk after |
|
Carrot
Daucus carota subsp. sativus var. sativus
|
19 Apr
|
2 wk before | ||||
|
Cavolo nero
Brassica oleracea (Palm Kale-gruppen)
|
13 – 27 Feb
|
5-7 wk |
3 Apr
|
4 wk before |
19 Apr
|
2 wk before |
|
Potato
Solanum tuberosum
|
3 – 17 May
|
4-6 wk |
14 Jun
|
7 wk after |
5 May
|
1 wk after |
|
Ornamental Kale
Brassica oleracea (Ornamental-gruppen)
|
13 – 27 Feb
|
5-7 wk |
3 Apr
|
4 wk before |
23 Apr
|
1 wk before |
|
Pumpkin
Cucurbita pepo
Fleece
|
16 – 23 May
|
3-4 wk |
13 Jun
|
7 wk after | ||
|
Beetroot
Beta vulgaris (Conditiva-gruppen)
|
29 Apr – 6 May
|
3-4 wk |
27 May
|
4 wk after |
10 May
|
1 wk after |
|
Red Cabbage
Brassica oleracea (Red Cabbage-gruppen)
|
2 – 16 Apr
|
4-6 wk |
14 May
|
2 wk after | ||
|
Lettuce
Lactuca sativa
|
23 – 30 Mar
|
3-4 wk |
20 Apr
|
1 wk before |
23 Apr
|
1 wk before |
|
Savoy Cabbage
Brassica oleracea (Savoy Cabbage-gruppen)
|
9 – 23 Mar
|
4-6 wk |
20 Apr
|
1 wk before | ||
|
Shallot (bulbs)
Allium cepa (Aggregatum-gruppen)
|
15 – 29 Mar
|
2-4 wk |
12 Apr
|
2 wk before |
19 Apr
|
2 wk before |
|
Shallot (sets)
Allium cepa (Aggregatum-gruppen)
|
23 Apr
|
1 wk before | ||||
|
Spinach
Spinacia oleracea
|
15 – 22 Mar
|
3-4 wk |
12 Apr
|
2 wk before |
14 Apr
|
3 wk before |
|
Sweet potato
Ipomoea batatas
|
15 – 29 May
|
4-6 wk |
26 Jun
|
8 wk after | ||
|
Tomato
Solanum lycopersicum
|
19 Apr – 3 May
|
6-8 wk |
14 Jun
|
7 wk after | ||
|
Tomatillo
Physalis ixocarpa
|
||||||
|
French bean
Phaseolus vulgaris
|
17 – 31 May
|
2-4 wk |
14 Jun
|
7 wk after |
7 Jun
|
5 wk after |
|
White Cabbage
Brassica oleracea (White Cabbage-gruppen)
|
2 – 16 Apr
|
4-6 wk |
14 May
|
2 wk after | ||
|
Pea
Pisum sativum
|
15 – 22 Mar
|
3-4 wk |
12 Apr
|
2 wk before |
23 Apr
|
1 wk before |
Current date
Soon
Date passed
Herbs
| Plant | Sow indoors | Transplant | Direct sow | |||
|---|---|---|---|---|---|---|
| Date | Grow. time | Date | Rel. frost | Date | Rel. frost | |
|
Basil
Ocimum basilicum
Fleece
|
1 – 15 May
|
4-6 wk |
12 Jun
|
7 wk after | ||
|
Lemon balm
Melissa officinalis
|
16 Feb – 2 Mar
|
8-10 wk |
27 Apr
|
Vid frost |
22 May
|
3 wk after |
|
Dill
Anethum graveolens
|
23 Apr
|
1 wk before | ||||
|
Chives
Allium schoenoprasum
|
6 – 20 Feb
|
6-8 wk |
3 Apr
|
4 wk before |
23 Apr
|
1 wk before |
|
Spearmint
Mentha spicata
|
18 Jan – 15 Feb
|
8-12 wk |
12 Apr
|
2 wk before |
22 May
|
3 wk after |
|
Coriander
Coriandrum sativum
|
10 May
|
1 wk after | ||||
|
Sage
Salvia officinalis
|
18 Mar – 1 Apr
|
8-10 wk |
27 May
|
4 wk after | ||
|
Thyme
Thymus vulgaris
|
5 – 19 Mar
|
8-10 wk |
14 May
|
2 wk after | ||
|
Oregano
Origanum vulgare
|
8 – 22 Mar
|
6-8 wk |
3 May
|
1 wk after |
22 May
|
3 wk after |
|
Parsley
Petroselinum crispum
|
15 Feb – 1 Mar
|
6-8 wk |
12 Apr
|
2 wk before |
23 Apr
|
1 wk before |
|
Rosemary
Salvia rosmarinus
|
18 Feb – 18 Mar
|
10-14 wk |
27 May
|
4 wk after | ||
Current date
Soon
Date passed
Annual flowers
| Plant | Sow indoors | Transplant | Direct sow | |||
|---|---|---|---|---|---|---|
| Date | Grow. time | Date | Rel. frost | Date | Rel. frost | |
|
Morning glory
Ipomoea tricolor
Greenhouse
|
16 – 23 May
|
3-4 wk |
13 Jun
|
7 wk after | ||
|
Cornflower
Centaurea cyanus
|
12 Apr
|
2 wk before |
23 Apr
|
1 wk before | ||
|
Statice
Limonium sinuatum
|
5 – 19 Apr
|
8-10 wk |
14 Jun
|
7 wk after | ||
|
Sweet William
Dianthus barbatus
|
15 Feb – 1 Mar
|
6-8 wk |
12 Apr
|
2 wk before |
5 May
|
1 wk after |
|
Snow-on-the-mountain
Euphorbia marginata
|
19 Apr – 3 May
|
6-8 wk |
14 Jun
|
7 wk after |
7 Jul
|
10 wk after |
|
Dahlia
Dahlia × pinnata
|
14 – 28 Apr
|
6-8 wk |
9 Jun
|
6 wk after | ||
|
Dahlia (tubers)
Dahlia × pinnata
|
14 Apr – 12 May
|
4-8 wk |
9 Jun
|
6 wk after |
22 May
|
3 wk after |
|
Foxglove
Digitalis purpurea
|
1 – 15 Feb
|
8-10 wk |
12 Apr
|
2 wk before |
10 May
|
1 wk after |
|
Busy lizzie
Impatiens walleriana
|
30 Mar – 27 Apr
|
8-12 wk |
22 Jun
|
8 wk after | ||
|
Creeping zinnia
Sanvitalia procumbens
|
19 Apr – 3 May
|
6-8 wk |
14 Jun
|
7 wk after | ||
|
Hyacinth bean
Dolichos lablab
Season too short
|
2 – 16 May
|
4-6 wk |
13 Jun
|
7 wk after | ||
|
Chinese lantern
Physalis alkekengi
|
18 Mar – 1 Apr
|
8-10 wk |
27 May
|
4 wk after | ||
|
Love in a mist
Nigella damascena
|
23 Apr
|
1 wk before | ||||
|
Strawflower
Xerochrysum bracteatum
|
19 Apr – 3 May
|
6-8 wk |
14 Jun
|
7 wk after |
7 Jul
|
10 wk after |
|
Tall verbena
Verbena bonariensis
|
4 Mar – 1 Apr
|
8-12 wk |
27 May
|
4 wk after | ||
|
Cardoon
Cynara cardunculus
Season too short
|
24 Feb – 24 Mar
|
8-12 wk |
19 May
|
3 wk after | ||
|
Regal-foxtail
Ptilotus nobilis
Fleece
|
21 Mar – 18 Apr
|
8-12 wk |
13 Jun
|
7 wk after | ||
|
Globe amaranth
Gomphrena globosa
Fleece
|
18 Apr – 2 May
|
6-8 wk |
13 Jun
|
7 wk after | ||
|
Corn poppy
Papaver rhoeas
|
23 Apr
|
1 wk before | ||||
|
Snapdragon
Antirrhinum majus
|
26 Jan – 23 Feb
|
8-12 wk |
20 Apr
|
1 wk before |
5 May
|
1 wk after |
|
Flossflower
Ageratum houstonianum
Fleece
|
4 – 18 Apr
|
8-10 wk |
13 Jun
|
7 wk after | ||
|
Sweet pea
Lathyrus odoratus
|
15 Feb – 8 Mar
|
5-8 wk |
12 Apr
|
2 wk before | ||
|
Stock
Matthiola incana
|
23 Feb – 9 Mar
|
6-8 wk |
20 Apr
|
1 wk before |
10 May
|
1 wk after |
|
Wormwood
Artemisia absinthium
|
15 Feb – 1 Mar
|
6-8 wk |
12 Apr
|
2 wk before |
10 May
|
1 wk after |
|
Mexican sunflower
Tithonia rotundifolia
Fleece
|
2 – 16 May
|
4-6 wk |
13 Jun
|
7 wk after | ||
|
Pansy
Viola × wittrockiana
|
23 Jan – 6 Feb
|
8-10 wk |
3 Apr
|
4 wk before |
5 May
|
1 wk after |
|
Petunia
Petunia
|
22 Mar – 19 Apr
|
8-12 wk |
14 Jun
|
7 wk after | ||
|
Scabious
Scabiosa atropurpurea
|
1 – 15 Apr
|
6-8 wk |
27 May
|
4 wk after |
7 Jun
|
5 wk after |
|
Zinnia
Zinnia elegans
|
3 – 17 May
|
4-6 wk |
14 Jun
|
7 wk after | ||
|
Common morning glory
Ipomoea purpurea
Fleece
|
9 – 23 May
|
3-5 wk |
13 Jun
|
7 wk after | ||
|
Cosmos
Cosmos bipinnatus
|
3 – 17 May
|
4-6 wk |
14 Jun
|
7 wk after |
7 Jun
|
5 wk after |
|
Scarlet milkweed
Asclepias curassavica
Greenhouse
|
21 Mar – 18 Apr
|
8-12 wk |
13 Jun
|
7 wk after | ||
|
Bee balm
Monarda didyma
|
2 Feb – 2 Mar
|
8-12 wk |
27 Apr
|
Vid frost |
22 May
|
3 wk after |
|
Yarrow
Achillea millefolium
|
15 Feb – 1 Mar
|
6-8 wk |
12 Apr
|
2 wk before |
10 May
|
1 wk after |
|
Safflower
Carthamus tinctorius
|
12 Apr
|
2 wk before |
23 Apr
|
1 wk before | ||
|
Iceland poppy
Papaver nudicaule
|
6 – 20 Feb
|
6-8 wk |
3 Apr
|
4 wk before |
19 Apr
|
2 wk before |
|
Bishop's flower
Ammi majus
|
27 Mar – 10 Apr
|
4-6 wk |
8 May
|
1 wk after |
10 May
|
1 wk after |
|
Drumsticks
Pycnosorus globosus
Greenhouse
|
9 – 23 Mar
|
10-12 wk |
1 Jun
|
5 wk after | ||
|
Sunflower
Helianthus annuus
|
17 – 24 May
|
3-4 wk |
14 Jun
|
7 wk after |
22 May
|
3 wk after |
|
China aster
Callistephus chinensis
|
19 Apr – 3 May
|
6-8 wk |
14 Jun
|
7 wk after |
7 Jun
|
5 wk after |
|
Annual phlox
Phlox drummondii
|
7 – 21 Apr
|
6-8 wk |
2 Jun
|
5 wk after |
7 Jun
|
5 wk after |
|
Hollyhock
Alcea rosea
|
15 Feb – 1 Mar
|
6-8 wk |
12 Apr
|
2 wk before |
10 May
|
1 wk after |
|
Delphinium
Delphinium elatum
|
19 Feb – 19 Mar
|
8-12 wk |
14 May
|
2 wk after |
22 May
|
3 wk after |
|
African marigold
Tagetes erecta
|
19 Apr – 3 May
|
6-8 wk |
14 Jun
|
7 wk after | ||
|
Black-eyed Susan
Rudbeckia hirta
|
1 – 15 Apr
|
6-8 wk |
27 May
|
4 wk after |
7 Jun
|
5 wk after |
|
Woodland sage
Salvia nemorosa
|
22 Feb – 8 Mar
|
8-10 wk |
3 May
|
1 wk after |
22 May
|
3 wk after |
|
Black-eyed susan vine
Thunbergia alata
Fleece
|
4 Apr – 2 May
|
6-10 wk |
13 Jun
|
7 wk after | ||
|
California goldenpoppy
Eschscholzia californica
|
23 Apr
|
1 wk before | ||||
|
Painted tongue
Salpiglossis sinuata
|
5 – 19 Apr
|
8-10 wk |
14 Jun
|
7 wk after | ||
|
Water forget-me-not
Myosotis scorpioides
|
15 Feb – 1 Mar
|
6-8 wk |
12 Apr
|
2 wk before |
10 May
|
1 wk after |
Current date
Soon
Date passed