Agave’Blue Glow ' is a pop hybrid with a phenomenal architectural appearance .

Agave’Blue Glow '

Agave’Shaka Zulu '

Agave ‘Blue Glow’ aka Agave ‘Shaka Zulu’

At the Royal Botanic Gardens, Melbourne, Victoria, Australia. Photo by Noelene Tomlinson. Used with permission. All rights reserved.

Family : AsparagaceaeSubfamily : AgavoideaeGenus : Agave

Agave’Blue Glow ' is a cross make by Kelly Griffin while he worked as the Curator of Xerophytes atRancho Soledad Nurseriesin Rancho Santa Fe , California , United States . It results from a crisscross betweenAgave attenuataandAgave ocahui .

Agave’Blue Glow ' , also sell asAgave’Shaka Zulu ' , is a stunning succulent that forms a solitary , beautifully harmonious rosette of chalky blue - greenish farewell with thin , burnished reddish margin edged with an even sparse scandalmongering wrinkle . The rose window grows slowly and can reach a height of 2 foot ( 60 cm ) and a diam of 3 foot ( 90 cm ) . The lance - forge leaf have finely toothed margins and a sharp , red terminal spine . They can measure up to 18 inches ( 45 centimetre ) longsighted and 1.5 inches ( 3.8 centimeter ) astray . When backlit by the sun , the crimson and yellowed colors on the leaf margins are particularly showy .

Agave ‘Blue Glow’ aka Agave ‘Shaka Zulu’

Private garden, Riverside, California, United States. Photo by George Tabora. Used with permission. All rights reserved.

This flora is monocarpic , mean the rosette flower once and then pall , typically after 10 to 15 years . It produces an erect , unbranched spike that can grow up to 10 base ( 3 m ) improbable . The flowers are yellowish to greenish - yellow , measuring up to 3 inches ( 7.5 centimeter ) long , and come out clustered at the top of the stiletto heel , usually in summer .

Light : Agave’Blue Glow ' requires full Dominicus to partial shade for optimum growth . If you are growing it indoors , choose a cheery window with as much sun as possible . From spring to fall , it enjoys being alfresco .

dirt : This industrial plant can tolerate most soil as long asit has good drainagebut thrives in sandy or rocky soil .

Agave ‘Blue Glow’ aka Agave ‘Shaka Zulu’

Private garden, Riverside, California, United States. Photo by George Tabora. Used with permission. All rights reserved.

Temperature : Agave’Blue Glow ' prefers warm temperature during the grow time of year and cooler temperatures while perch in wintertime . It arise best inUSDA Plant Hardiness Zones9a to 11b , with median minimum wintertime temperature ranging from 20 to 50 ° F ( -6.7 to 10 ° C ) .

Watering : To keep your Agave ' Blue Glow ' healthy , piddle it exhaustively when the soil becomes dry from natural spring to fall . In wintertime , water supply it meagrely , about once a calendar month . If you have the plant in a container , it will require more frequent watering than plant in the ground .

Fertilizing : In the leap , during the first two geezerhood , give the plant a small amount of fertilizer . After that , the established plant will take care of itself .

Agave ‘Blue Glow’ aka Agave ‘Shaka Zulu’

At a local nursery in Los Angeles, California, United States. Photo by Michael Simon. Used with permission. All rights reserved.

Repotting : If you notice yourAgave’Blue Glow '   becoming lot - bound , repot it with fresh soil in a new pot slightly larger than the former one . Give the plant a week or so to reset before you water it again .

Propagation : Since it has a nonsocial growth habit , this plant life can only be propagated by seeded player .

Learn more atHow to Grow and deal for Agave .

Agave ‘Blue Glow’ aka Agave ‘Shaka Zulu’

Private collection, San Francisco Bay Area, California, United States. Photo by Chelsea Loveall. Used with permission. All rights reserved.

Agave’Blue Glow ' is not toxic to humans but may be mildly poisonous to children and pets .

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