Yucca brevifoliaEngelm .
Joshua Tree , Yucca Palm , Tree Yucca , Palm Tree Yucca
Clistoyucca brevifolia , Sarcoyucca brevifolia

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menage : AsparagaceaeSubfamily : AgavoideaeGenus : Yucca
Yucca brevifoliais aboriginal to the arid southwesternUnited State . It occurs in California , Arizona , Utah , and Nevada , where it is confine mainly to the Mojave Desert on open , jumpy grasslands at elevations between 1,300 and 5,900 feet ( 400 and 1,800 m.
Yucca brevifoliais a picturesque tree with a columnar , distally ramify trunk with steady , narrow , sharply pointed leaves clustered in dense stem canker at branch tips , forming an open crown . It grows relatively slowly to 50 feet ( 15 m ) marvelous . Branches are up to 10 feet ( 3 m ) long . Leaves are bayonet - shaped with small serrations along the margins , up to 14 inches ( 35 centimetre ) long and 0.6 inch ( 1.5 centimeter ) wide . They are dark-green with yellow margins . The dehydrated leaf stay on the industrial plant , plow the trunk and branches .

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The flowers are Vanessa Bell - shaped , up to 2.8 inch ( 7 cm ) long , with six greenish - livid to cream - color tepal , and appear in terminal panicle in fountain . The panicles are up to 22 in ( 55 cm ) tall and up to 15.2 inch ( 38 cm ) in diameter . fruit are ellipsoid , deeply furrowed , up to 3.4 inches ( 8.5 centimetre ) long , and incorporate dense black seeds .
USDA hardiness zones6a to 10b : from −10 ° F ( −23.3 ° coulomb ) to 40 ° F ( +4.4 ° C ) .
Under the good conditions , Yuccas are not unmanageable plants to mature . They tend to thrive on a bit of neglect rather than too much aid . They are especially easy tooverwater , and squashy stems are a star sign of too much water . The respectable conditions forYuccas admit a sunny corner with comparatively scummy humidity . They are not prostrate to many pesterer , although scale can be an issue . Over prison term , plants will typically lose their miserable leaves ( in nature , they droop , take form a skirt around the trunk ) , give the plant a pleasant " Sir Herbert Beerbohm Tree - like " appearance .

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Yuccas are relatively slow - farm flora that should only need to be repotted every other year . They do well , slightly pot - bound , as long as they do n’t become heavy enough to tap over their container . Repotting large plant can be difficult , so larger plants can be refresh with newpotting soilby poke out the top 2 inches ( 5 cm ) of the container and adding new grease . During typical repotting , take the plant from its container and go up one container size of it . Always apply fresh potting soil .
pick up more atHow to Grow and Care for Yucca .
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