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The San Pedro cactus is arguably the most popular columnar cactus in desert horticulture circle , Trichocereus pachanoi[try - koh - KER - ee - us puh - KAH - no - ee ] gets its name from the hairy ( tricho ) flowered tubing .
This Trichocereus ( Echinopsis cactus ) hails from the countries of Northern Argentina , Bolivia , Chile , Ecuador , and Peru , South America .
Pachanoi San Pedro cactus with dark green stems
In 1974 , H. Friedrich and G. D. Rowley meld the genus Trichocereus and Echinopsis ( ek - in - OP - sis , come to to a similar appearance to ocean urchins ) .
While the genus Echinopsis pachanoi is currently valid , there ’s a energy to restore Trichocereus as the sole genus due to irreconcilable differences in the genera .
The works was catalogue by the American botanist J. N. Rose nominate the specie after Ecuadorian prof Abelardo Pachano .
As a result of its popularity , the cactus ( most commonly known as San Pedro ) has 25 unlike usual names in Spanish alone .
A few example are andachuma , gigantón , huachuma , and wachuma . It was exhaust for ancient tribal healing and spiritual purposes .
Various Trichocereus species are dot throughout the Andes mountains , with San Pedro being aboriginal to altitudes of 6,600′ to 9,800 ’ substructure .
There are a sum of five pachanoi coinage .
It should also be noted a close relative , the Peruviantorch cactus(Trichocereus peruvianus ) is so similar the two metal money are almost synonymous .
Trichocereus Pachanoi Quick Care Tips
San Pedro Cactus Care and Cultural Requirements
Size and Growth
The Pachanoi cactus is a fast - growing cactus , multi - cauline plant or small Sir Herbert Beerbohm Tree grow around 5.9 ’ feet wide and up to 19.7 ’ invertebrate foot improbable in its natural habitat .
Individual stems kitchen range from 2.4″ to 5.9 ” inches thick and may have between 4 and 8 rib each . Spines are light brown or dark yellow .
It also features legion sticker that can get up to 2 centimetre long or more .
ease up the correct amount of moisture , sun , and soil , these cacti can grow up to 1 ’ metrical foot per yr .
The columnlike stalk drift from pale green to dark - dark-green , dark green with eld with upward - face areoles .
Flowering and Fragrance
San Pedro buds are pointed and bring forth a flute whitish efflorescence in July .
They are night blossom and remain open for the following day , with the fragrant flowers measuring more or less 8.7 ” inch in diam .
These efflorescence buds are also produced from the spine clusters along the margins near the top of branches .
Black or browned hairs and scale cover the fruit , which valuate 1.9″ to 2.4 ” inches farsighted and 1.2″ inches in diam .
Light and Temperature
San Pedro thrives in unmediated sunlight after the first year , although seedling may hurt sunburn in direct sunshine .
In general , Trichocereus pachanoi grows well in full sun or faint shade during hot summertime .
Be certain to bit by bit bring in a plant overwintered indoors to train brightness level , as they may get sunburn if remove directly .
If grown indoors , this multi - stemmed columniform cactus will need additional lighting from grow lights .
A healthy San Pedro can defy temperatures as low-spirited as 50 ° degrees Fahrenheit ( 10 ° coke ) with the occasional brief dip as humiliated as 15.8 ° degrees Fahrenheit ( -9 ° C ) .
This resistance to cold may be bolster through Valerian flower selection .
It can thrive in USDA hardiness zones 8B to 10B.
Watering and Feeding
As with many succulent , this cactus will go dormant in colder calendar month and should be given no water between October and April to trim the risk of infection of rot .
seedling may have a very dilute intermixture of fertilizer occasionally , but grownup are capable of being fed an undiluted concentration .
If you do provender , use a dilute liquified plant food and only fertilise during the develop season .
Soil and Transplanting
Tricho cactusi expect fat , slimly acidulous potting grime with honorable drain .
A minimum amount of humus works considerably to reduce the risk of rot .
Seedlings will gain from a tiny amount of extremely dilute fertilizer , although grownup can handle heavy quantity .
seedling may be safely transplanted into pots after one year .
Grooming and Maintenance
How To Propagate Trichocereus Pachanoi
San Pedro come are very humble and gentle to diffuse using the Fleischer technique .
You will need the fall out item :
Sowing The Seed
You should also start the palpebra to dry out if you seesigns of fungus gnats .
Signs of stamp in the jar should be rinse away with the spray bottle , and the jar should be allowed to dry out out before reclosing .
Be warned ; the securities industry is impregnate with miserable - character seeds .
Be sure to ensure the age of the seed when plan to ego - germinate .
The untried they are , the good the chances of successful germination .
Aside from seed , san pablo cactus propagation can also be done through cutting .
greenback : Plants easily root from offsets
Pachanoi Cactus Pest or Diseases
All Trichocereus species are susceptible to mortal fungous diseases and infections when overwatered in hot atmospheric condition .
These let in damping off , orange rot , and witch ’ broom disease .
fateful rot is generally harmless and will heal itself after a short time .
Root mealybugs , scurf , and spider speck may also be a job .
These are safely dealt with usingneem oil sprays .
Learn how touse Neem as a drench .
Scale is easily scrubbed off when catch ahead of time .
Suggested San Pedro Cactus Uses
As with many succulents in the Cactaceae household ( and throughout the Andes and Amazon basin in general ) , the San Pedro cactus has long been valued by natives for medicative and spiritual intention .
In the US , it has become a feasible substitute for peyote during hallucinogenic rituals due to the presence of mescaline .
This San pedro cactus prime is highly ornamental and works not bad in any desert - theme garden setting and an indoor cosmetic plant .
It also works attractively as an ornamental in tropical climate garden and a adorable add-on to the landscape painting .
