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Rosinweeds (Silphium)
Rosinweeds are tall perennials characterized by sunflower- or daisy-like flowers, usually yellow in color, and the rough, opposite foliage that sometimes forms whorls. Some members have the ability to hold water at the leaf base. The genus name derives from the name of the unknown and likely extinct antiquity plant that had various roles in ancient Greece and Rome and was featured on Cyrene coins.
Lifespan
Perennial
Key Facts About Rosinweeds
Feedback
Attributes of Rosinweeds
Leaf type
Deciduous
Scientific Classification of Rosinweeds
Distribution of Rosinweeds
Feedback
Distribution Map of Rosinweeds
Native
Cultivated
Invasive
Potentially invasive
Exotic
No species reported
How to Grow and Care for Rosinweeds
Feedback
Rosinweeds features robust, sun-loving plants with distinctive flowers and foliage that thrive in a range of temperate gardens. Basic care needs emphasize full sun exposure, consistent watering to establish deep root systems, well-drained soils, and tolerance for moderate temperatures. Common challenges include vulnerability to munching by herbivores and potential for rot in overly moist conditions. Seasonally, rosinweeds requires little maintenance but may necessitate staking in summer to support tall growth. In autumn, seeds can be collected or left to encourage self-sowing, while in winter, the foliage dies back, allowing a period of dormancy.
How to Water Rosinweeds?
What Are the Sunlight Requirements for Rosinweeds?
How to Propagate Rosinweeds?
How to Plant Rosinweeds?
Exploring the Rosinweeds Plants
Feedback
8 most common species：
Cup plant
The cup plant is native to Eastern and Central United States. The typical height of this plant ranges from 91 to 244 cm and blooms look very similar to sunflowers. Although it is a native species, the cup plant has been declared in invasive species in many states in the U.S.
Compassplant
Compassplant (Silphium laciniatum) is a flowering perennial herb native to North America. Compassplant is also commonly referred to as the prairie compass plant, pilotweed, polarplant, gum weed, cut-leaf silphium, and the turpentine plant. This species is commonly cultivated in gardens.
Roughstem Rosinweed
This perennial, the roughstem Rosinweed or Silphium radula, is a member of the aster or sunflower family. It grows upright and is topped by yellowish-green blossoms, making it a popular border plant. It prefers dry, poor soil and will topple over if the soil is too rich or wet.
Prairie dock
Prairie dock (Silphium terebinthinaceum) is a perennial plant that will grow to 2.5 m tall. The leaves have a sandpaper texture and are 46 cm long. Blooms in summer with a tall flowering stalk filled with showy, yellow flowers. The nectar attracts all kinds of bees and the seeds provide food for goldfinches. Drought-resistant, it grows in full sun or partial shade.
Wholeleaf Rosinweed
Wholeleaf Rosinweed is an herbaceous perennial that will grow from 61 to 183 cm tall. It blooms from summer to fall with yellow daisy-like flowers. The blossoms attract birds and butterflies. It grows best in locations with full sun.
Whorled rosinweed
The whorled rosinweed is a tall plant with an upright growth habit, native to the eastern United States. It is often used in ornamental gardening and it's prized for its ability to adapt to various growing conditions. It is reported to attract beneficial insects.
Starry rosinweed
Starry rosinweed is characterized by its star-shaped yellow flowers and sturdy, upright stems, which bloom in late summer. Its leaves are arranged in a rosette at the base and are notably heart-shaped with toothed margins. Adapting to its prairie habitat, starry rosinweed's deep root system allows it to thrive in dry, well-drained soil and resist drought.
Silphium radula var. gracile
The silphium radula var. gracile is a resilient perennial, showcasing a slender stature with artful, lance-shaped leaves. This variety embraces its arid homeland, flourishing in sunny conditions with a remarkable drought tolerance. Soft yellow blooms crown its tall stems, a magnet for pollinators. This species' adaptability to sparse environments is exemplified in its neat, clumped growth, an emblem of nature's tenacity.
All Species of Rosinweeds
Cup plant
Cup plant
The cup plant is native to Eastern and Central United States. The typical height of this plant ranges from 91 to 244 cm and blooms look very similar to sunflowers. Although it is a native species, the cup plant has been declared in invasive species in many states in the U.S.
Compassplant
Compassplant
Compassplant (Silphium laciniatum) is a flowering perennial herb native to North America. Compassplant is also commonly referred to as the prairie compass plant, pilotweed, polarplant, gum weed, cut-leaf silphium, and the turpentine plant. This species is commonly cultivated in gardens.
Roughstem Rosinweed
Roughstem Rosinweed
This perennial, the roughstem Rosinweed or Silphium radula, is a member of the aster or sunflower family. It grows upright and is topped by yellowish-green blossoms, making it a popular border plant. It prefers dry, poor soil and will topple over if the soil is too rich or wet.
Prairie dock
Prairie dock
Prairie dock (Silphium terebinthinaceum) is a perennial plant that will grow to 2.5 m tall. The leaves have a sandpaper texture and are 46 cm long. Blooms in summer with a tall flowering stalk filled with showy, yellow flowers. The nectar attracts all kinds of bees and the seeds provide food for goldfinches. Drought-resistant, it grows in full sun or partial shade.
Wholeleaf Rosinweed
Wholeleaf Rosinweed
Wholeleaf Rosinweed is an herbaceous perennial that will grow from 61 to 183 cm tall. It blooms from summer to fall with yellow daisy-like flowers. The blossoms attract birds and butterflies. It grows best in locations with full sun.
Whorled rosinweed
Whorled rosinweed
The whorled rosinweed is a tall plant with an upright growth habit, native to the eastern United States. It is often used in ornamental gardening and it's prized for its ability to adapt to various growing conditions. It is reported to attract beneficial insects.
Starry rosinweed
Starry rosinweed
Starry rosinweed is characterized by its star-shaped yellow flowers and sturdy, upright stems, which bloom in late summer. Its leaves are arranged in a rosette at the base and are notably heart-shaped with toothed margins. Adapting to its prairie habitat, starry rosinweed's deep root system allows it to thrive in dry, well-drained soil and resist drought.
Silphium radula var. gracile
Silphium radula var. gracile
The silphium radula var. gracile is a resilient perennial, showcasing a slender stature with artful, lance-shaped leaves. This variety embraces its arid homeland, flourishing in sunny conditions with a remarkable drought tolerance. Soft yellow blooms crown its tall stems, a magnet for pollinators. This species' adaptability to sparse environments is exemplified in its neat, clumped growth, an emblem of nature's tenacity.
Kidney-leaf rosinweed
Kidney-leaf rosinweed
Kidney-leaf rosinweed is a perennial herb notable for its towering stature and vibrant, yellow composite flowers that bloom in late summer. Its robust stem and broad, lobed leaves often exhibit a waxy coating, adapting kidney-leaf rosinweed to thrive in its native temperate grasslands. This wildflower's deep roots enable it to access water in drought-prone soils, ensuring its resilience and presence in the ecosystem.
White rosinweed
White rosinweed
White rosinweed features striking white flowers that offer a dramatic contrast against its lush green foliage. This perennial typically thrives in well-drained soils under full sunlight and is often found in prairies or open woodlands. Its robust stature, with stiff, upright stems, allows it to stand resilient among grasses and seasonal changes, attracting pollinators to its conspicuous blooms.
More Popular Genus
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Dracaena
Dracaena are popular house plants that are easy to grow. They can tolerate low-light conditions and require little watering. Their leaves range from variegated to dark green. Their characteristic traits include woody stems that grow slowly but offer a striking appearance for small spaces such as apartments or offices.
Fig trees
Fig trees have been cultivated in many regions for their fruits, particularly the common fig, F. carica. Most of the species have edible fruits, although the common fig is the only one of commercial value. Fig trees are also important food sources for wildlife in the tropics, including monkeys, bats, and insects.
Brambles
Brambles are members of the rose family, and there are hundreds of different types to be found throughout the European countryside. They have been culturally significant for centuries; Christian folklore stories hold that when the devil was thrown from heaven, he landed on a bramble bush. Their vigorous growth habit can tangle into native plants and take over.
Maples
The popular tree family known as maples change the color of their leaves in the fall. Many cultural traditions encourage people to watch the colors change, such as momijigari in Japan. Maples popular options for bonsai art. Alternately, their sap is used to create maple syrup.
Prunus
Prunus is a genus of flowering fruit trees that includes almonds, cherries, plums, peaches, nectarines, and apricots. These are often known as "stone fruits" because their pits are large seeds or "stones." When prunus trees are damaged, they exhibit "gummosis," a condition in which the tree's gum (similar to sap) is secreted to the bark to help heal external wounds.
Nightshades
Nightshades is a large and diverse genus of plants, with more than 1500 different types worldwide. This genus incorporates both important staple food crops like tomato, potato, and eggplant, but also dangerous poisonous plants from the nightshade family. The name was coined by Pliny the Elder almost two thousand years ago.
Roses
Most species of roses are shrubs or climbing plants that have showy flowers and sharp thorns. They are commonly cultivated for cut flowers or as ornamental plants in gardens due to their attractive appearance, pleasant fragrance, and cultural significance in many countries. The rose hips (fruits) can also be used in jams and teas.
Oaks
Oaks are among the world's longest-lived trees, sometimes growing for over 1,000 years! The oldest known oak tree is in the southern United States and is over 1,500 years old. Oaks produce an exceedingly popular type of wood which is used to make different products, from furniture and flooring to wine barrels and even cosmetic creams.
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About
Key Facts
Distribution
How To Care
All Species
More Genus
Rosinweeds
Silphium
Rosinweeds are tall perennials characterized by sunflower- or daisy-like flowers, usually yellow in color, and the rough, opposite foliage that sometimes forms whorls. Some members have the ability to hold water at the leaf base. The genus name derives from the name of the unknown and likely extinct antiquity plant that had various roles in ancient Greece and Rome and was featured on Cyrene coins.
Lifespan
Perennial
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Key Facts About Rosinweeds
Feedback
Attributes of Rosinweeds
Leaf type
Deciduous
Scientific Classification of Rosinweeds
Distribution of Rosinweeds
Feedback
Distribution Map of Rosinweeds
Native
Cultivated
Invasive
Potentially invasive
Exotic
No species reported
How to Grow and Care for Rosinweeds
Feedback
Rosinweeds features robust, sun-loving plants with distinctive flowers and foliage that thrive in a range of temperate gardens. Basic care needs emphasize full sun exposure, consistent watering to establish deep root systems, well-drained soils, and tolerance for moderate temperatures. Common challenges include vulnerability to munching by herbivores and potential for rot in overly moist conditions. Seasonally, rosinweeds requires little maintenance but may necessitate staking in summer to support tall growth. In autumn, seeds can be collected or left to encourage self-sowing, while in winter, the foliage dies back, allowing a period of dormancy.
How to Water Rosinweeds?
What Are the Sunlight Requirements for Rosinweeds?
How to Propagate Rosinweeds?
How to Plant Rosinweeds?
Exploring the Rosinweeds Plants
Feedback
8 most common species：
Cup plant
The cup plant is native to Eastern and Central United States. The typical height of this plant ranges from 91 to 244 cm and blooms look very similar to sunflowers. Although it is a native species, the cup plant has been declared in invasive species in many states in the U.S.
Compassplant
Compassplant (Silphium laciniatum) is a flowering perennial herb native to North America. Compassplant is also commonly referred to as the prairie compass plant, pilotweed, polarplant, gum weed, cut-leaf silphium, and the turpentine plant. This species is commonly cultivated in gardens.
Roughstem Rosinweed
This perennial, the roughstem Rosinweed or Silphium radula, is a member of the aster or sunflower family. It grows upright and is topped by yellowish-green blossoms, making it a popular border plant. It prefers dry, poor soil and will topple over if the soil is too rich or wet.
Prairie dock
Prairie dock (Silphium terebinthinaceum) is a perennial plant that will grow to 2.5 m tall. The leaves have a sandpaper texture and are 46 cm long. Blooms in summer with a tall flowering stalk filled with showy, yellow flowers. The nectar attracts all kinds of bees and the seeds provide food for goldfinches. Drought-resistant, it grows in full sun or partial shade.
Show More Species
All Species of Rosinweeds
More Popular Genus
Feedback
Dracaena
Dracaena are popular house plants that are easy to grow. They can tolerate low-light conditions and require little watering. Their leaves range from variegated to dark green. Their characteristic traits include woody stems that grow slowly but offer a striking appearance for small spaces such as apartments or offices.
Fig trees
Fig trees have been cultivated in many regions for their fruits, particularly the common fig, F. carica. Most of the species have edible fruits, although the common fig is the only one of commercial value. Fig trees are also important food sources for wildlife in the tropics, including monkeys, bats, and insects.
Brambles
Brambles are members of the rose family, and there are hundreds of different types to be found throughout the European countryside. They have been culturally significant for centuries; Christian folklore stories hold that when the devil was thrown from heaven, he landed on a bramble bush. Their vigorous growth habit can tangle into native plants and take over.
Maples
The popular tree family known as maples change the color of their leaves in the fall. Many cultural traditions encourage people to watch the colors change, such as momijigari in Japan. Maples popular options for bonsai art. Alternately, their sap is used to create maple syrup.
Prunus
Prunus is a genus of flowering fruit trees that includes almonds, cherries, plums, peaches, nectarines, and apricots. These are often known as "stone fruits" because their pits are large seeds or "stones." When prunus trees are damaged, they exhibit "gummosis," a condition in which the tree's gum (similar to sap) is secreted to the bark to help heal external wounds.
Nightshades
Nightshades is a large and diverse genus of plants, with more than 1500 different types worldwide. This genus incorporates both important staple food crops like tomato, potato, and eggplant, but also dangerous poisonous plants from the nightshade family. The name was coined by Pliny the Elder almost two thousand years ago.
Roses
Most species of roses are shrubs or climbing plants that have showy flowers and sharp thorns. They are commonly cultivated for cut flowers or as ornamental plants in gardens due to their attractive appearance, pleasant fragrance, and cultural significance in many countries. The rose hips (fruits) can also be used in jams and teas.
Oaks
Oaks are among the world's longest-lived trees, sometimes growing for over 1,000 years! The oldest known oak tree is in the southern United States and is over 1,500 years old. Oaks produce an exceedingly popular type of wood which is used to make different products, from furniture and flooring to wine barrels and even cosmetic creams.
Your Ultimate Guide to Plants
Identify grow and nurture the better way!
17,000 local species +400,000 global species studied
Nearly 5 years of research
80+ scholars in botany and gardening
Continue reading in our app - it's better
A database of 400000+ plants
unlimited guides at your fingertips...
unlimited guides at your fingertips...
