Philodendron selloum(Philodendron bipinnatifidum syn . Philodendron selloum ) , also hump as tree philodendron , can grow to a height and breadth of 15 animal foot . They are grown outdoors in U.S. Department of Agriculture plant hardiness zona 9 to 11 and indoors in cooler climate . Overgrown selloums ask consistent tending to keep them tidy . If they ’ve outgrow their space or just need to be straighten up , a healthy pruning will bring them back under control .
Outdoor Selloum
Step 1
Water the selloum two to four fourth dimension per week . Give it 5 to 6 gallons each time . Check the soil wet before giving it pee . Wait another day or two to irrigate if the soil is still very stiff . Lower folio will ferment yellow and new growth tips will pop off if it is being irrigate too much or too little .
Step 2
Give the selloum a balanced 8 - 8 - 8 or 10 - 10 - 10 garden works fertiliser in late winter or early spring before it begins to grow newfangled shoots and leaves . Sprinkle the fertiliser over the grunge beneath the plant at a charge per unit of 1/4 cup per 25 square foot of grunge . Water the selloum after pass around the fertilizer . moisten off any fertilizer that stick on the leaves .
Step 3
dress the selloum with sharp pruner to curb its size or form . Cut entire leaves off at the foundation of the leaf stalk . Remove lower leave to reveal the humble root , if trust . Cut the stems back severely , if necessary , to foreshorten its size . New stems and leaves will turn back . Mix 3 tablespoon of bleach in 1 gal of water supply and disinfect the lopper with the root before and after using them .
Step 4
Wash aphids , mealybugs and spider mites off the selloum if they become a problem . Spray the intact plant , peculiarly the bottom and base of the leaves , with a strong spray from the garden hose every two to three day . Scrape weighing machine insects off with the dull edge of a butter knife or your thumbnail or wash them off with a rub alcohol - soaked cotton plant musket ball .
Houseplant Selloum
Water a selloum houseplant once or twice per calendar week or when the top of the soil begins to dry . rain cats and dogs the water over the potting soil until it runs out of the drain holes in the bottom . Set a humidness tray beneath the selloum if the air in the house is very teetotal .
Give the selloum water - soluble houseplant fertilizer once each calendar month during the spring , summer and fall . Water it as common before give it fertilizer . ruffle 1 teaspoonful of 20 - 20 - 20 fertilizer into 1 gallon of water . Pour it over the potting land until it begins to go out of the drainage muddle . forfend generate fertilizer on the plant ’s leaves . Increase the frequence to every two hebdomad if the leave become pale . concentrate the frequency if the foliage gratuity curl and turn brown .
Repot the selloum when it becomes pot - bound . Plant it in a Modern container that is 1 in wider and deep than the former container . Pour 1 inch of grunge - free-base potting mix into the bottom of the newfangled container . Tip the selloum over on its side and gently draw in the grease and root peck out of the container . Loosen the roots gently by manus if they are compacted . Set the rootage mass into the novel container and take in around the beginning with potting grease to 1 to 2 inch from the top of the container . Water the selloum .
Prune selloum houseplant in the same way as outdoor selloums . Set the plant in a bathtub or outside in a shadowed area and spray it off with urine if aphids , mealy bug or wanderer mites attack it . Spray it with a strong stream every two or three days , paying close aid to the underside and understructure of each leaf . Scrape off musical scale insects .
Warning
Selloums are toxic if ingested .
