Common sunflower’s leaves have long petioles, lacking wings, and are rather broad, with the larger leaves ovate to heart-shaped with irregular, large teeth, and are mostly alternate except those at the very top. Also, its disks are reddish brown to dark purple, while several other sunflowers have yellow disks.
Common sunflower’s leaves have long petioles, lacking wings, and are rather broad, with the larger leaves ovate to heart-shaped with irregular, large teeth, and are mostly alternate except those at the very top. Also, its disks are reddish brown to dark purple, while several other sunflowers have yellow disks.
Helianthus bolanderi is a species of sunflower known by the common names Bolander's sunflower and serpentine sunflower. It is native to California and Oregon, where it grows mainly in mountainous areas, often in serpentine soils.
Helianthus bolanderi is a species of sunflower known by the common names Bolander's sunflower and serpentine sunflower. It is native to California and Oregon, where it grows mainly in mountainous areas, often in serpentine soils.
Helianthus californicus is a North American species of sunflower known by the common name California sunflower.It is native to California in the United States and Baja California in Mexico, where it grows in many types of habitats.
Helianthus californicus is a North American species of sunflower known by the common name California sunflower.It is native to California in the United States and Baja California in Mexico, where it grows in many types of habitats.
Helianthus ciliaris is a species of sunflower known by the common names Texas blueweed and yerba parda.
Helianthus ciliaris is a species of sunflower known by the common names Texas blueweed and yerba parda.
Helianthus cusickii is a species of sunflower known by the common names Cusick's sunflower and turniproot sunflower. It is native to the western United States from Washington, Oregon, Idaho, northern California, and northwestern Nevada.
Helianthus cusickii is a species of sunflower known by the common names Cusick's sunflower and turniproot sunflower. It is native to the western United States from Washington, Oregon, Idaho, northern California, and northwestern Nevada.
Helianthus giganteus, Giant Sunflower, is a perennial to Zone 3 but is commonly grown as an annual. It grows 9-12 feet tall and sports giant, 1 foot diameter flowers with light yellow to gold showy ray florets.
Helianthus giganteus, Giant Sunflower, is a perennial to Zone 3 but is commonly grown as an annual. It grows 9-12 feet tall and sports giant, 1 foot diameter flowers with light yellow to gold showy ray florets.
Helianthus gracilentus is a species of sunflower known by the common name slender sunflower. It is native to central and southern California (from Napa County to San Diego County) and Baja California, where it is a member of the dry wildfire-prone chaparral ecosystem.
Helianthus gracilentus is a species of sunflower known by the common name slender sunflower. It is native to central and southern California (from Napa County to San Diego County) and Baja California, where it is a member of the dry wildfire-prone chaparral ecosystem.
Helianthus instabilis E.Watson Helianthus grosseserratus, commonly known as sawtooth sunflower or thick-tooth sunflower, is a perennial sunflower in the family Asteraceae, with a large flowering head (inflorescence).
Helianthus instabilis E.Watson Helianthus grosseserratus, commonly known as sawtooth sunflower or thick-tooth sunflower, is a perennial sunflower in the family Asteraceae, with a large flowering head (inflorescence).
Helianthus Plant Care Prefers average, neutral to slightly alkaline soil. Well-drained soil is good for overwintering, but give Helianthus a good soaking if August begins to overpower.
Helianthus Plant Care Prefers average, neutral to slightly alkaline soil. Well-drained soil is good for overwintering, but give Helianthus a good soaking if August begins to overpower.
Helianthus niveus is a species of sunflower known by the common names showy sunflower and snowy sunflower. It is native to northern Mexico (Sonora, Baja California, Baja California Sur) and the Southwestern United States (Southern California, Arizona, New Mexico, and West Texas).
Helianthus nuttallii Nuttall sunflower This plant can be weedy or invasive according to the authoritative sources noted below.This plant may be known by one or more common names in different places, and some are listed above.
Helianthus occidentalis (fewleaf sunflower or western sunflower) is a species of sunflower native to the Eastern and Central United States. It grows mostly in the Great Lakes Region and in the Ozarks, with additional populations scattered as far as Massachusetts, Texas, and the Florida Panhandle.
Helianthus paradoxus is endemic to the states of New Mexico and Texas in the United States of America, occurring at elevations between 1,000 m and 1,200 m a.s.l. (Flora of North America Editorial Committee 2006).
The Plants Database includes the following 2 subspecies of Helianthus pauciflorus . Click below on a thumbnail map or name for subspecies profiles.
Helianthus schweinitzii, Schweinitz’s sunflower. Schweinitz’s sunflower is currently known from roadsides, power line clearings, old pastures, woodland openings, and other sunny to semi-sunny situations.
The Jerusalem artichoke (Helianthus tuberosus), also called sunroot, sunchoke, earth apple, or topinambour, is a species of sunflower native to eastern North America, and found from eastern Canada and Maine west to North Dakota, and south to northern Florida and Texas.
As tough as it is beautiful, Maximilian blooms from August to frost. Masses of 3" yellow-gold blooms. This native wild flower is excellent for back borders and bouquets.
Similar in appearance to many other native sunflowers with yellow petals and ... Pale-Leaf Sunflower (Helianthus strumosus) - Plants: ... Pale-leaved Sunflower:
Some of the most popular perennial sunflowers are cultivars of Helianthus x multiflorus (Many-flowered sunflower), which is a cross between the annual sunflower and thin-leaved sunflower (Heliantus decapetalus). 'Capenoch Star' - reaches 4 ft. tall, with bright yellow petals and centers.
Woodland Sunflower is a rather variable species, particularly in leaf shape and degree of hairiness. The few things all the references seem to agree on, and that can actually help distinguish this from other Minnesota native sunflowers, are: a mostly smooth stem that may have a whitish bloom, leaf stalks usually at least ½ inch long, and bracts that do not much exceed the width of the flower disk.