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Helenium Autumnale [ Hel - EE - nee - um , Aw - tummy - NAH - lee ] is a blossoming plant from the Asteraceae phratry .
This plant is native to North America and southern Canada .
It commonly grows in abandoned field of honor , seriously drained pastures , Reginald Marsh , fen , soggy thickets , open moist forest , moist wooded field , as well as along ditches , ponds , and streams .
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The common name of this plant admit :
Sneezeweed Care
Size & Growth
This plant is a perennial herbaceous plant develop around 4 ’ foot high . The leaves of sneezeweed are narrowly ellipse to gig - shape and have a few tooth .
The stems of this flora are somewhat hairy and can grow as tall as 5 ’ feet or more . The leaves are produced on the industrial plant ’s prow alternatively .
Flowering and Fragrance
During later downfall and summertime , legion yellow 2″ column inch in diam daisy - like flower are produced .
The flowers have a unique chock material body and are three - lobed at the tip . It also has a dull lily-livered , dome - regulate , and salient center jeopardy .
Light & Temperature
Helenium Autumnale loves the sun , and why the ideal growing locating is in full sunshine . The prime start getting long-legged if they do n’t get a minimum of six hr of full Dominicus every twenty-four hours .
However , this plant tolerates partial tincture , peculiarly if the status are juiceless .
Helenium also stomach hot summer and humidness but requires sufficient spacing to preclude fungal diseases , like rust and mildew , which occur under high-pitched humidity .
Watering and Feeding
This plant prefers temperate moisture , but needs more water system in dry atmospheric condition .
It is full to provide the works with an constitutional mulch of about 2 ” inches to maintain moisture and maintain ideal pH soil levels .
provender plants during the early spring growth full stop . forefend feed plants with excess fertilizer or rich stain as this results in fewer flowers and extensive foliar growth .
Soil & Transplanting
For optimal growth , this plant needs moist soil . Many new hybrids tolerant drier soil .
Helenium autumnale like acidic soils , with pH level of 5.5 to 7.0 .
Grooming and Maintenance
This plant must be staked for prevent any potential flopping of the taller stems .
lift back novel growing during the late spring for encouraging a sturdy , shorter plant with floriferous growth of peak .
This plant might also get ragged foliage before they start to bloom . It is skillful to trim off the radical during early spring before the growth season .
How To Propagate Helenium Autumnale
Plant extension is done through seed , but it is ideal for propagating by point cuttings or divisions . This should ideally be done during the former spring .
Helenium Sneezeweed Pest or Diseases
Helenium does n’t front any serious disease or plague trouble . However , the leafage is vulnerable to rust , leaf spot , andpowdery mildew .
The seeds , blossom , and farewell of sneezeweed are said to be venomous to humans if consumed in gamey measure .
The symptom admit :
It might also ensue in intestinal and gastric annoying , which could prove fateful .
This plant also has sesquiterpene lactones , which might result in skin rashes in some cases and prove poisonous to dogs and Pisces .
The chemical substance of this industrial plant might be poisonous to livestock , especially sheep .
Sneezeweed Uses
The most pop garden usance of this plant is in unwarranted gardens , cottage garden , and prairies .
fledged , almost dried flower heads are transformed in the powder form to do by head ache and colds .
