Here I am offering seeds from Helianthus giganteus, also known as the Giant Sunflower, and Tall Sunflower.

You can also cold/moist stratify the seeds for at least 4 weeks prior to planting. Buy It Now. 250 cm high. $2.25. The flowers are borne on the branched top third of otherwise single, rigid central stems. This is a well-behaved Sunflower compared to some of the other more aggressive Helianthus species. Leaves are lance shaped or linear. It is also one of the shorter native Sunflowers reaching maximum heights of 3'. Sow at a depth of 4 times the size of the seed, and expect germination in 5-10 days.

Everything about Giganteus is huge. Suitable for: light (sandy), medium (loamy) and heavy (clay) soils and prefers well-drained soil. Growing to a height of about 8 feet tall this flower easily attracts a wide variety of bees, birds, and butterflies. Helianthus giganteus 1,000 seeds Need More? The seeds are used in e.g. You can also sow indoors at a temperature around 68-86° (will germinate over a wide temperature range).

This is the giant among sunflowers, with towering stems up to 3.6m (12') tall, as thick as a man's leg. Helianthus Giganteus Seedling. Here I am offering seeds from Helianthus giganteus, also known as the Giant Sunflower, and Tall Sunflower. Other insects - A wide variety of insects utilize various parts of the Helianthus giganteus. A single flowered giant type that produces heads 8-10 inches across and plants that stand 10-12 feet in height.

This tall perennial likes to live in full exposure to the sun, and it produces edible seeds and roots. An illustrated flora of the northern United States, Canada and the British Possessions. Seed Orders. Or, winter-sow the seeds in pots. Growing to a height of about 8 feet tall this flower easily attracts a wide variety of bees, birds, and butterflies.

For spring planting, mix the seed with moist sand and store it in the refrigerator for 30 days before direct sowing. The leaves are slender, lanceolate.

At the top grows a monumental flower head up to 45cm (18") across, heavy with edible seeds. It closely resembles its parental species. This is a native perennial sunflower that can get up … These flowers are daisy-like, with yellow rays, and brown central disks. Wats. Single, yellow flower. USDA Hardiness Zones 5 to 11 . HELIANTHUS ANNUUS GIGANTEUS - Sunflower < > Read reviews (0) Write a review ; Print. The genus Helianthus includes the much loved annual sunflower, Helianthus annuus, as well as several perennial species that make great, long-blooming garden plants.These are late-season flowers, blooming at the end of summer and into the fall.The daisy-like perennial flowers are smaller than their annual cousins, but they are profuse and long-lasting. The sunflower is a versatile plant which Native Americans learned to make use of 2,000–3,000 years ago. Annual. SUNZILLA SUNFLOWER SEEDS / 24 PLUS INCH HEADS / 15-18 FEET TALL / PROVEN MONSTER. Helianthus giganteus produces large plants, ranging from 3' to 9' tall depending on environmental conditions, but despite its specific epithet the flowers are relatively small and rarely exceed 3" in diameter. Dried heads make excellent bird feeders. Growing Giant Sunflower from seed is probably your best option for getting it into your garden. Helianthus giganteus, Giant Sunflower, is a perennial to Zone 3 but is commonly grown as an annual.

$51.75. The overall height can, as the name implies, be quite tall, reaching 8' with purplish stems and spreading hairs. At the top grows a monumental flower head up to 45cm (18") across, heavy with edible seeds. Extra strong stalks can withstand high winds and adverse weather. This sunflower species is also used as wild bird food, as livestock forage (as a meal or a silage plant), in some industrial applications, and as an ornamental in domestic gardens. They average a 6” length with diameter of about ½”. Seeds - Enjoyed by a wide range of song birds and small animals

Sow those 2-3 weeks before planting out.

Growing to a height of about 8 feet tall this flower easily attracts a … As a feral plant it has probably completely disappeared due to cross-breeding, but it has spread with people all around the world. is a very rare hybrid sunflower known from CT, MA. Approximately 30 seeds/pkg; 5000 seeds/500g. Approximately 30 seeds/pkg; 5000 seeds/500g. A single flowered giant type that produces heads 8-10 inches across and plants that stand 10-12 feet in height. Inconspicuous Giganteus sunflower seeds produce absolutely huge plants in one short season. USDA Hardiness Zones 5 to 11 The smooth margins are usually revolute or rolled under.