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Sennas
Sennas
Sennas
Sennas
Sennas (Senna)
Sennas are a large genus of flowering plants typically found in tropical and some temperate regions. This genus includes shrubs, herbs, and trees. Some species contain tanbark used in treating leather while some contain anthraquinones used in dyes and pigments.
Lifespan
Lifespan
Perennial
Plant Type
Plant Type
Shrub
info

Key Facts About Sennas

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Attributes of Sennas

Leaf type
Deciduous
Ideal Temperature
15 - 38 ℃

Scientific Classification of Sennas

distribution

Distribution of Sennas

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Distribution Map of Sennas

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Native
Cultivated
Invasive
Potentially invasive
Exotic
No species reported
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How to Grow and Care for Sennas

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how to grow and care
The plant genus 'sennas' is noted for its ease of care and vibrant yellow flowers. They primarily require full sun exposure and moderate watering, along with well-draining soil and a warm climate. Common challenges include pests like aphids and diseases like leaf spot. Sensitivity to cold weather is a typical environmental issue. Seasonal considerations involve reducing water in winter and taking extra pest control steps in summer. Despite these challenges, the 'sennas' genus remains a popular choice for adding color and diversity to gardens.
More Info About Caring for Sennas
species

Exploring the Sennas Plants

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8 most common species:
Senna pendula
Valamuerto
Valamuerto (Senna pendula) is a plant species native to South America. Valamuerto is an environmental weed in Australia . This species is also known as Easter cassia and climbing cassia. The latin name Senna pendula means "pendulous" and "drooping." This species grows in gardens, wastelands, roadsides, and forests.
Senna corymbosa
Argentine senna
Argentine senna (Senna corymbosa) is an evergreen shrub that will grow from 2.5 to 3 m tall. It blooms in spring with showy yellow flowers. Thrives in full sun and well-drained soil. It is heat and drought-tolerant and grows well as a hedge or border plant especially in warm climates. spring become invasive in some areas.
Senna didymobotrya
African senna
African senna (Senna didymobotrya) is a semi-deciduous shrub that can grow to be 1.8 to 8 m tall. African senna grows best in full sunlight and prefers humid conditions. This species is a tropical tree with dark green leathery leaves. It blooms showy bright yellow flowers from summer to fall. The fragrant flowers have a light peanut butter scent.
Senna occidentalis
Coffee senna
Coffee senna (*Senna occidentalis*) is a perennial shrub that prefers warm and humid environments. It is sometimes considered an invasive weed that grows in open woodlands, waste areas, and roadsides. It blooms in spring with yellow flowers, followed by brown fruit in late summer and early fall. Seeds can be used as a coffee substitute, although it does not contain caffeine.
Senna obtusifolia
Sicklepod
The sicklepod (Senna obtusifolia) grows best in full sun and moist soil. It thrives in rocky dirt and nutrient-rich soil. For an annual plant, it's slow to develop and grows best late in its growing season.
Senna spectabilis
Golden wonder tree
Golden wonder tree is a deciduous tree with a height ranging from 2 to 15 m, fast-growing with a leafy canopy.
Senna bicapsularis
Christmas bush
Formerly known as Senna bicapsularis, but more commonly called the christmas bush, this attractive evergreen shrub can grow quite large. It features sunny yellow blooms that appear late in the fall and last through the frost.
Senna alata
Emperor's candlesticks
Emperor's candlesticks (Senna alata) is an annual that grows from 1.5 to 2.5 m tall. It has broad, evergreen leaves that were once used to treat ringworm. It grows in full sun with medium moisture. Flowers bloom in fall with blossoms that resemble yellow candles. Flowers give way to winged seedpods that add a colorful accent in winter.

All Species of Sennas

Valamuerto
Senna pendula
Valamuerto
Valamuerto (Senna pendula) is a plant species native to South America. Valamuerto is an environmental weed in Australia . This species is also known as Easter cassia and climbing cassia. The latin name Senna pendula means "pendulous" and "drooping." This species grows in gardens, wastelands, roadsides, and forests.
Argentine senna
Senna corymbosa
Argentine senna
Argentine senna (Senna corymbosa) is an evergreen shrub that will grow from 2.5 to 3 m tall. It blooms in spring with showy yellow flowers. Thrives in full sun and well-drained soil. It is heat and drought-tolerant and grows well as a hedge or border plant especially in warm climates. spring become invasive in some areas.
African senna
Senna didymobotrya
African senna
African senna (Senna didymobotrya) is a semi-deciduous shrub that can grow to be 1.8 to 8 m tall. African senna grows best in full sunlight and prefers humid conditions. This species is a tropical tree with dark green leathery leaves. It blooms showy bright yellow flowers from summer to fall. The fragrant flowers have a light peanut butter scent.
Coffee senna
Senna occidentalis
Coffee senna
Coffee senna (*Senna occidentalis*) is a perennial shrub that prefers warm and humid environments. It is sometimes considered an invasive weed that grows in open woodlands, waste areas, and roadsides. It blooms in spring with yellow flowers, followed by brown fruit in late summer and early fall. Seeds can be used as a coffee substitute, although it does not contain caffeine.
Sicklepod
Senna obtusifolia
Sicklepod
The sicklepod (Senna obtusifolia) grows best in full sun and moist soil. It thrives in rocky dirt and nutrient-rich soil. For an annual plant, it's slow to develop and grows best late in its growing season.
Golden wonder tree
Senna spectabilis
Golden wonder tree
Golden wonder tree is a deciduous tree with a height ranging from 2 to 15 m, fast-growing with a leafy canopy.
Christmas bush
Senna bicapsularis
Christmas bush
Formerly known as Senna bicapsularis, but more commonly called the christmas bush, this attractive evergreen shrub can grow quite large. It features sunny yellow blooms that appear late in the fall and last through the frost.
Emperor's candlesticks
Senna alata
Emperor's candlesticks
Emperor's candlesticks (Senna alata) is an annual that grows from 1.5 to 2.5 m tall. It has broad, evergreen leaves that were once used to treat ringworm. It grows in full sun with medium moisture. Flowers bloom in fall with blossoms that resemble yellow candles. Flowers give way to winged seedpods that add a colorful accent in winter.
Siamese cassia
Senna siamea
Siamese cassia
Senna siamea (Burmese: မယ်ဇလီ, mezali; Thai: ขี้เหล็ก, khilek), also known as Siamese cassia, kassod tree, cassod tree and cassia tree, is a legume in the subfamily Caesalpinioideae. It is native to South and Southeast Asia, although its exact origin is unknown. It is a medium-size, evergreen tree growing up to 18 m with yellow flowers. It is often used as shade tree in cocoa, coffee and tea plantations. In Thailand it is the provincial tree of Chaiyaphum Province and some places in the country are named after it. Leaves are alternate, pinnately compound, with slender, green-reddish, tinged axis and 6 to 12 pairs of leaflets on short stalks, rounded at both ends.
Wild senna
Senna hebecarpa
Wild senna
A versatile member of the legume species, wild senna features clusters of yellow-orange flowers, seed pods, and foliage that changes color in the fall. It once grew wild throughout the Northeastern United States but is now in a protected status. The seed pods are an important food source for the white bob bird, and bees find its pollen particularly attractive.
Glossy shower
Senna surattensis
Glossy shower
Glossy shower (Senna surattensis) is an evergreen, perennial tree that blooms year-round with golden-yellow flowers. It is also called Scrambled Eggplant, Sunshine Tree, or Golden Senna. It thrives in full sun and prefers well-drained soil. It is considered an invasive weed in Asia.
Velvet leaf senna
Senna lindheimeriana
Velvet leaf senna
Velvet leaf senna (Senna lindheimeriana) is an herbaceous perennial, flowering plant species. velvet leaf senna seeds provide an important source of food for birds. This species is often planted in wildflower gardens.
Twoleaf senna
Senna roemeriana
Twoleaf senna
Twoleaf senna is a hardy bush with two split leaves (hence the name "twoleaf") and bright yellow flowers that bloom from spring to fall. Twoleaf senna is native to and grows throughout parts of the southwestern United States including Texas New Mexico and Oklahoma.
Maryland senna
Senna marilandica
Maryland senna
The foliage of maryland senna(Senna marilandica) gives off a malodorous scent when it's ground up. Because of the unpleasant taste, this species is usually ignored by deer.
Sickle senna
Senna tora
Sickle senna
Senna tora, or sickle senna as it is commonly called, is a legume that grows across the Americas, Asia, Oceania, and Africa. It often grows wild on roadsides and other waste ground, and has a scent most people find disagreeable. Substances obtained from this plant can be used to make several colors of dye, as well as a natural pesticide.
Coues' cassia
Senna covesii
Coues' cassia
Coues' cassia is a wildflower shrub often used for roadside landscaping whose yellow flowers are a favorite of bumblebees. This perennial is common in the deserts of the western United States. It thrives in full sun and is highly drought-tolerant.
Smooth senna
Senna sulfurea
Smooth senna
Admired for its vibrant yellow blooms, smooth senna captivates moths and butterflies, making it a tempting addition to any butterfly garden. Its toughness means it thrives in harsh conditions, providing a pop of color even in dry, abandoned spaces. Intriguingly, its seeds have a unique leathery outer coating that protects them from fire, allowing for regeneration post-wildfires.
Silver Senna
Senna artemisioides
Silver Senna
An Australian native, silver Senna is not only beautiful but so tough that it can grow as an understory plant to Eucalyptus and gum trees, which alter soil pH so much that almost nothing else can grow near them. This tree has some other unusual characteristics: it grows larger in dry shade than in full sun, and it yellows if given too much water instead of not enough.
popular genus

More Popular Genus

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Dracaena
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.
Ficus
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.
Rubus
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.
Acer
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
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.
Solanum
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.
Rosa
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.
Quercus
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
Sennas
Sennas
Sennas
Sennas
Sennas
Sennas
Sennas
Senna
Sennas are a large genus of flowering plants typically found in tropical and some temperate regions. This genus includes shrubs, herbs, and trees. Some species contain tanbark used in treating leather while some contain anthraquinones used in dyes and pigments.
Lifespan
Lifespan
Perennial
Plant Type
Plant Type
Shrub
info

Key Facts About Sennas

feedback
Feedback
feedback

Attributes of Sennas

Leaf type
Deciduous
Ideal Temperature
15 - 38 ℃

Scientific Classification of Sennas

distribution

Distribution of Sennas

feedback
Feedback
feedback

Distribution Map of Sennas

distribution map
Native
Cultivated
Invasive
Potentially invasive
Exotic
No species reported
care detail

How to Grow and Care for Sennas

feedback
Feedback
feedback
The plant genus 'sennas' is noted for its ease of care and vibrant yellow flowers. They primarily require full sun exposure and moderate watering, along with well-draining soil and a warm climate. Common challenges include pests like aphids and diseases like leaf spot. Sensitivity to cold weather is a typical environmental issue. Seasonal considerations involve reducing water in winter and taking extra pest control steps in summer. Despite these challenges, the 'sennas' genus remains a popular choice for adding color and diversity to gardens.
More Info About Caring for Sennas
species

Exploring the Sennas Plants

feedback
Feedback
feedback
8 most common species:
Senna pendula
Valamuerto
Valamuerto (Senna pendula) is a plant species native to South America. Valamuerto is an environmental weed in Australia . This species is also known as Easter cassia and climbing cassia. The latin name Senna pendula means "pendulous" and "drooping." This species grows in gardens, wastelands, roadsides, and forests.
Senna corymbosa
Argentine senna
Argentine senna (Senna corymbosa) is an evergreen shrub that will grow from 2.5 to 3 m tall. It blooms in spring with showy yellow flowers. Thrives in full sun and well-drained soil. It is heat and drought-tolerant and grows well as a hedge or border plant especially in warm climates. spring become invasive in some areas.
Senna didymobotrya
African senna
African senna (Senna didymobotrya) is a semi-deciduous shrub that can grow to be 1.8 to 8 m tall. African senna grows best in full sunlight and prefers humid conditions. This species is a tropical tree with dark green leathery leaves. It blooms showy bright yellow flowers from summer to fall. The fragrant flowers have a light peanut butter scent.
Senna occidentalis
Coffee senna
Coffee senna (*Senna occidentalis*) is a perennial shrub that prefers warm and humid environments. It is sometimes considered an invasive weed that grows in open woodlands, waste areas, and roadsides. It blooms in spring with yellow flowers, followed by brown fruit in late summer and early fall. Seeds can be used as a coffee substitute, although it does not contain caffeine.
Show More Species

All Species of Sennas

popular genus

More Popular Genus

feedback
Feedback
feedback
Dracaena
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.
Ficus
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.
Rubus
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.
Acer
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
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.
Solanum
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.
Rosa
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.
Quercus
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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Your Ultimate Guide to Plants
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17,000 local species +400,000 global species studied
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80+ scholars in botany and gardening
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