Helianthus is a genus comprising about 70 species of annual and perennial flowering plants in the daisy family Asteraceae. Except for three South American species, the species of Helianthus are native to North America and Central America.

How many varieties of sunflowers are there?

There are 52 species of sunflowers, all native to North America and Mexico. This sunflower is 1 to 3 meters (ca. 39 to 118 inches) tall (cultivated forms often taller).

Which sunflower is best?

By: Garden Gate staff

It's really hard not to like sunflowers (Helianthus annuus). These must-have annuals are like bright yellow smiley faces of the garden world. Even on a dreary day they add cheery fun, and it doesn't hurt that birds, butterflies, squirrels and chipmunks adore them, too!

Which sunflowers come back every year?

• 5 Reasons To Grow Perennial Sunflowers. ...
• 7 Perennial Sunflowers That Bloom Year After Year.
• Ashy sunflower (Helianthus mollis) ...
• Western sunflower (Helianthus occidentalis) ...
• Swamp sunflower (Helianthus angustifolius) ...
• Giant sunflower (Helianthus giganteus) ...
• Cheerful sunflower (Helianthus x laetiflorus)

How do you tell if a sunflower is annual or perennial?

Blooms – Annual sunflowers will bloom the first year after being planted from seeds, but perennial sunflowers grown from seed will not bloom for at least two years. Roots – Perennial sunflowers will have tubers and rhizomes attached to their roots, but annual sunflowers just have the typical string-like roots.

TYPES OF SUNFLOWER /15 most Beautiful types of Sunflower

Are sunflowers weeds?

Sunflower (Helianthus) is one such broadleaf weed that can completely take over your yard if neglected. It is common to most parts of the country, including the transition regions. The bright yellow flowers are beautiful to look at, but the weed can overwhelm any yard within months.

What is the hardiest sunflower?

Most are hardy in USDA zones 4 to 9. One of the most popular perennial sunflowers is 'Maximillian'. This sunflower grows up to 8 feet tall, depending on the soil and water conditions, producing small, yellow sunflowers from late summer until frost.

What is the fastest blooming sunflower?

Possibly the smallest and quickest flowering sunflower available. The dwarf multi-flowering plants of Sunflower Choco Sun produce their first blooms in eleven to twelve weeks from sowing. Ideal for adding interest to containers and fun for children to grow.

What type of sunflowers grow the fastest?

Answer: The fastest and biggest I can think of is the Mammoth Sunflower. We usually carry seeds in the spring time.

What girl name means sunflower?

18) Nanala (Hawaiian Origin), meaning "sunflower". There's no flower sunnier than a sunflower.

Do purple sunflowers exist?

Sunflower Types

Sunflower colors range in hue from the traditional golds and yellows, to white, rose, red, purplish burgundy and chocolate brown. Annual sunflower varieties with dark burgundy-purple petals include "Chianti" and "Claret." The variety "Ruby Moon" offers two-tone burgundy petals with creamy white tips.

What are the tall sunflowers called?

True to its name, the Skyscraper sunflower rises high above the ground and can reach heights of up to 12 feet. These plants are held up by durable stalks and can produce 14-inch flower petals.

What are small wild sunflowers called?

– California sunflower – California. Helianthus carnosus Small – lakeside sunflower – Florida. Helianthus ciliaris DC.

How do I identify sunflower varieties?

The leaves of sunflowers are usually dark green and they almost always have rough, serrated edges. A sunflower can often be identified by its leaves before it blooms. Feel the leaves of the plant. The leaves of sunflowers are usually dark green and they almost always have rough, serrated edges.

Do blue sunflowers exist?

They don't exist. True blue pigment doesn't exist in plants of any kind.

What kind of sunflower has multiple heads?

Most of the tall varieties of sunflowers, such as "American Giant" and "Kong" have one flower head per stem. Other types of sunflowers bloom with multiple flower heads on each stem.

What is the best flavor of sunflower seeds?

We found that Spitz Cracked Pepper to win more than any other on the list. That said, Bigs Pepper and Sea Salt was a legitimate second with the classic and original tasting David Originals in 3rd place. In truth, there are plenty of fantastic sunflower seeds out there.

Are black sunflowers real?

Mother Nature made sunflowers (Helianthus annuus) as simple as a child's drawing -- green stalk, yellow petals, dark seeds -- but modern gardeners have many more choices, with hundreds of cultivars in dozens of colors. ... So-called black sunflowers are simply dark-toned garden cultivars.

Which sunflower has the largest bloom?

• Russian Giant (9 to 12 feet in height, 20 inch flowers)
• Mammoth Grey Stripe (8 to 12 feet, 12 inch flowers)
• American Giant (14 feet, 12 inch flowers)
• Titan (12 feet tall, 24 inch flowers)
• Mongolian Giant Sunflower (14 feet, 18 inch flowers)

What month do you plant sunflowers?

Plant sunflowers in late spring, once the ground is nice and warm. Most sunflowers germinate when soil has reached 70 to 85 degrees F. The best time to plant sunflowers is just before the soil reaches this temperature. Look for a ground temp of between 60 to 70 degrees.

What's the tallest sunflower ever recorded?

The tallest sunflower measures 9.17 m (30 ft 1 in) and was grown by Hans-Peter Schiffer (Germany) in Karst, Nordrhein Westfalen, Germany, as verified on 28 August 2014. Hans-Peter is a veteran of tall sunflowers, having held this record twice previously.

What is the flower that looks like a sunflower?

Coneflowers. Coneflowers, particularly yellow coneflowers, look like miniature sunflowers. Yellow coneflower (Echinacea paradoxa) is another US native plant. Like sunflowers, the yellow petals of the blossom grow around a dark brown center disk.

Will sunflowers choke out weeds?

Weeds and sunflowers, as with any other plant in the garden, are always in competition. In order to gain the growing advantage, sunflowers contain chemical compounds that inhibit the germination and growth of other seedlings in the growing area. ... Allelopathic sunflowers can actually help suppress weed growth.

Can you save sunflower seeds to plant next year?

Drying Seeds For Re-Planting

Rinse sunflower seeds before laying out to dry. Allow them to dry for several hours (or overnight). If you're saving the seeds to re-plant, store them in an airtight container in a cool, dry place until you are ready to plant. ... The seed will last for years if stored this way.