Sunflower 'Giant Russian'
'Giant Russian' is a Sunflower variety in the Helianthus genus with a scientific name of Helianthus annuus.
Easy to grow giant sunflower growing up to 3m high with flowerheads 30 cm diameter. Dark brown centres surrounded by yellow petalsThis variety is an Flower that typically grows as an Annual, which is defined as a plant that matures and completes its lifecycle over the course of a single year. Giant Russian is known for growing to a height of approximately 1.50 metres (4.88 feet). This variety tends to bloom in late summer.
Giant Russian Sunflower is normally quite a low maintenance plant and is normally very easy to grow - great for beginner gardeners!
This plant info is provided by the myfolia gardener's wiki. All details about Sunflower 'Giant Russian' have been kindly provided by our members.
How to grow Sunflower 'Giant Russian'
Excellent for a position at the back of the border or use as an annual screenTry to plant in a location that enjoys full sun and remember to water often. Keep in mind when planting that Giant Russian is thought of as half hardy, so it will need protecting in periods of cold weather. Use USDA Hardiness Zone 4 - 9 as your guideline for the appropriate climate for this plant. Try to keep the ph of your soil between the range of 5.7 and 8.1 as Giant Russian likes to be in weakly acidic soil - weakly alkaline soil.
Growing Giant Russian from seed
Sow thinly 1cm deep 45cm apart in well cultivated soil. Alternatively, sow indoors late winter early spring in 7cm pots at 20C.Aim to sow 0.49 inches (1.25 cm) deep and try to ensure a gap of at least 4.68 inches (12.0 cm). Soil temperature should be kept higher than 13°C / 55°F to ensure good germination.
By our calculations, you should look at sowing Giant Russian about 21 days before your last frost date.
Transplanting Giant Russian
Plant out after aclimatising the plants to outdoor conditions, after risk of frost has past. Prefers a sunny site in good lightEnsure that temperatures are mild and all chance of frost has passed before planting out, as Giant Russian is a half hardy plant.
Harvesting Giant Russian
Sunflower 'Giant Russian' information
How long does Giant Russian take to grow?
These estimates for how long Sunflower 'Giant Russian' takes to sprout, grow and harvest are from real observations from real gardeners, right around the world. Start logging and journaling your observations to participate!
When should I sow Giant Russian?
Folia's when to plant Sunflower 'Giant Russian' estimates are relative to your last frost date. Enter your frost dates and we'll calculate your sowing and planting dates for you!
Giant, Giant Flowered, Mammoth, Mammoth Russian
Popular varieties of Sunflower
- Mammoth Russian
- Lemon Queen
- Velvet Queen
- Evening Sun
- Autumn Beauty
- Giant Russian
- Red Sun
- Teddy Bear
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