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Spanish dagger

How to identify Spanish dagger (Yucca gloriosa)

Spanish dagger, also known as Palm lily, Adam's needle

Spanish dagger stands as a robust evergreen, reaching heights of up to 16 feet (5 meters). Its foliage forms a basal rosette in its youth, transitioning to a prominent, woody trunk as it matures. The sword-shaped leaves are tipped with sharp points and arrange themselves with striking symmetry. In late spring to mid-summer, spanish dagger proudly exhibits large panicles of white, bell-shaped flowers, drawing the eye and marking its peak ornamental phase. It bears a remarkable resilience to extreme weather, including drought and variations in temperature.

Lifespan

Lifespan: Perennial

Plant Type

Plant Type: Shrub

Leaf Type

Leaf Type: Evergreen

Quickly Identify Spanish dagger

1

Sword-shaped leaves with sharp tips and symmetrical arrangement.

2

Creamy white, bell-shaped flowers in large panicles with red or purple tints.

3

6-lobed, elongate berry with a tough, leathery exterior, distinctive among berries.

4

Thick, succulent stem transitioning from green to woody texture, exceeding 1 inch (2.5 cm) in diameter.

5

Young leaves are blue-green, linear, and feature inconspicuous teeth, maturing to light green.

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Detailed Traits of Spanish dagger

Leaf Features

The leaves of spanish dagger are stiff and straight, measuring 1.5 to 2 feet (45-60 cm) long by 2.5 inches (6.3 cm) wide. They are sword-like with a glaucous green color and sharp tips. The flexible leaves, which are 13-20 inches (33-51 cm) long and 1.5-2 inches (3.8-5 cm) wide, are linear and feature tiny, inconspicuous teeth along the edges. Young leaves are blue-green, transitioning to light green at maturity. The leaf tip is pointed but unarmed.

Leaf Arrangement

Whorled

Leaf Texture

Papyraceous

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Flower Features

Spanish dagger's flowers are creamy white, bell-shaped, and pendulous, measuring 1.5-2 inches (3.8-5 cm) long, often tinged with red or purple. These blooms are arranged in a branched cluster called a panicle, which stands erect on a 3-8 feet (90 cm - 240 cm) tall stalk. This stalk, with the lower portion resting among the leaves, supports the flowers from April to October. The flowers are distinguishable by their unique shape and distinctive tints.

Spanish dagger Flower imageSpanish dagger Flower imageSpanish dagger Flower image
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Stem Features

The stem of spanish dagger is characterized by its thick, succulent, and green appearance. Young stems start off green and robust, eventually transitioning to a more woody texture as they mature. These stems are substantial in diameter, often exceeding 1 inch (2.5 cm), and support the upright growth habit of the plant. This thick and dense structure provides a sturdy base for the plant's leaves and flowers, which are crucial for its identification and overall aesthetic.

Spanish dagger Stem image
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Fruit Features

The fruit of spanish dagger manifests as a 6-lobed, elongate berry with a tough, leathery exterior. It measures up to 6 inches (approximately 15 centimeters) in length. Ripening occurs from November to December, transitioning into maturity. Predominantly, the texture is firm to the touch, with the shape and lobes being key identifying features. The overall appearance of the fruit is distinctive among berries, offering a visual and tactile characteristic for recognition.

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Spanish dagger and Their Similar Plants

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Adam's needle vs. Spanish dagger: What's The Difference?
Adam's needle (Yucca filamentosa) is a compact evergreen shrub highly appreciated by horticulturalists and landscapers worldwide. Yucca filamentosa takes the spotlight in almost every garden due to its stunning looks. It is easily recognized by its large clusters of gentle white flowers, which are in sharp contrast to the green rosettes of sword-shaped leaves.
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Aloe yucca vs. Spanish dagger: What's The Difference?
Aloe yucca (Yucca aloifolia) is a yucca species native to the eastern United States and Mexico where it grows in dry, sandy soils. Both its fruit and flowers are safe to eat raw or cooked. Twine can be made using fibers from the leaves and the roots are good ingredients for soap.
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Small Soapweed vs. Spanish dagger: What's The Difference?
The small Soapweed (Yucca glauca) is native to North America and thrives in desert conditions. The only insects that can pollinate yucca flowers are yucca moths, and yucca fruits are the only food for yucca moth larvae. Small Soapweed leaves are used for decoration, flooring mats, and cushions, while the roots can be crushed into a lather for use as soap or shampoo.
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Beaked yucca vs. Spanish dagger: What's The Difference?
Yucca rostrata also called beaked yucca, is a tree-like plant belonging to the genus Yucca. The species is native to Texas, Chihuahua and Coahuila. Yucca rostrata has a trunk up to 4.5 meters tall, with a crown of leaves at the top. Leaves are thin, stiff, up to 60 cm long but rarely more than 1.5 cm wide, tapering to a sharp point at the tip. The inflorescence is a large panicle 1 m tall, with white flowers.
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Weak-leaf yucca vs. Spanish dagger: What's The Difference?
Weak-leaf yucca (Yucca flaccida) is an evergreen perennial shrub that can grow to be 46 to 61 cm tall. This species is native to portions of the southeastern United States. It grows best in sandy loam soils. This species has white flowers that bloom in through spring. It is pollinated by white Yucca moths that are attracted to its fragrant flowers. The fruit flowers and stem are edible.
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Soaptree yucca vs. Spanish dagger: What's The Difference?
Soaptree yucca (Yucca elata) is an evergreen tree-like yucca that will grow from 1.8 to 6 m tall. Thin green leaves edged in white grow up to 1.2 m long. Blooms in late spring to early summer with tall flower stalks covered in clusters of white, bell-shaped flowers. Fragrant flowers attract hummingbirds. The roots and trunk of the tree are used to make soap and shampoo.
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Curve-leaf yucca vs. Spanish dagger: What's The Difference?
Curve-leaf yucca (Yucca gloriosa var. tristis) is a woody, evergreen perennial that grows from 1.8 to 3 m tall. Its narrow 91 cm long leaves curve downward, giving it its name. Flowers bloom from late spring to summer and will sometimes bloom again in fall. White, bell-shaped blossoms grow up to 1.5 m tall on a large, showy flower cluster. This plant is often grown in gardens and used in landscaping.
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Twistleaf yucca vs. Spanish dagger: What's The Difference?
The twistleaf yucca is native to northern Mexico and parts of the United States. It hybridizes with Yucca rupicola, which has a similar appearance to this plant but has more twisted and curved leaves. The twistleaf yucca is a good gardening alternative to other species of yuccas.
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Key Facts About Spanish dagger

Attributes of Spanish dagger
Lifespan
Perennial
Plant Type
Shrub
Plant Height
50 cm to 1.8 m
Spread
1.2 m
Leaf Color
Green
Blue
Yellow
Variegated
Flower Size
5 cm to 7 cm
Flower Color
White
Cream
Fruit Color
Brown
Red
Green
Copper
Burgundy
Stem Color
Green
Blue
Brown
Cream
Leaf type
Evergreen
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Scientific Classification of Spanish dagger

Family
Asparagus
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Genus
Yuccas
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Species
Spanish dagger (Yucca gloriosa)
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Distribution Map of Spanish dagger

Spanish dagger naturally occurs in the sand dunes and coastal borders of Southeast America. Its distribution of this frost-tender plant isn't widespread, only being cultivated in various European countries, some South American countries, and Great Britain.
Native
Cultivated
Invasive
Potentially invasive
Exotic
No species reported
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