gilded barrel cactus ( Echinocactus grusonii ) is a spiny , ribbed cactus that grows in an unbranched spherical or cylindric form . It is hardy in U.S. Department of Agriculture plant hardiness zones 9 through 11 or only in zone 9 and 10 , depending on the generator .
gilded gun barrel cactus(Echinocactus grusonii ) is a burry , costate cactus that grows in an unbranching spherical or cylindric course . It is intrepid in U.S. Department of Agriculture plant hardiness zone 9 through 11 or only in zones 9 and 10 , depend on the source . gold barrel cactus makes an effective focal point in a desert garden , although its dumb growth calls for patience on the part of the nurseryman .
Seeds
A aureate barrel cactus produce seeds in papery seedpod that grow from flush at the flora ’s top . The seeds are sown in spring when the temperature is about 70 degrees Fahrenheit . Sow the seeds on the surface of informal , arenaceous soil in a sunny fix . Because the seeds necessitate light to bourgeon , they should n’t be cover , and the soil needs to remain moist while the seedling are pocket-sized .
Young Plant
A golden barrel cactus seedling acquire relatively quickly , within a few years , to about 4 inches in diameter . During this stage , the plant is a dense spiny ball . Its spines egress from bulge out tubercles so that the ribbed structure that will become patent as the flora matures is mostly obliterate . The untested cactus needs careful lacrimation to persist sizeable . It need batch of water in summertime and tolerates wet better than most cacti , but overweening water in wintertime stimulate it to rot .
Mature Plant
As the plant matures , its increment charge per unit retard markedly . At maturity , the specimen may be about 3 understructure in diameter , but it requires decade to get that big . On the mature plant , the 20 to 40 ribs running from its top to its radical are apparent . Its spines grow along the rib from icteric areoles , which are small prominence vernacular to all cacti that grow spines , bloom or offset shoots . The golden drum cactus ' spines are also yellow . When they ’re back - light in brilliant sunshine , they grow the gilt freshness that turn over the plant its name .
Flowers
A healthy golden barrel cactus start raise flowers when it is about 15 inch in diam . The bloom issue from a wooly patch at the cactus ' top in spring and bloom into summer . The peak are brilliantly yellow , but they ’re minuscule and not terribly blatant . By the end of summertime , the flowers have produced seed , completing the plant ’s reproductive wheel . The cycle proceed to the close of the cactus ' innate life , which is usually few than 100 years .
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