If you are not use to cultivating Platycerium grande. The main difference that can readily be seen between Platycerium superbum and Platycerium grande are the two spore patches located on the underside of each Fertile Frond of Platycerium grande. This species produces one set of Fertile Fronds per year, Which is usually in late summer or mid fall , But the spore patches do not begin developing until mid to late winter and will not turn brown and rip until late summer . at this time the spores can be harvested , Because the Fertile Fronds have comleted their life cycle and will begin to die as the new Fertile Fronds are being born .
The Fertile Fronds of Platycerium grande are thinner than those of Platycerium superbum and does not contain the thick heavy veins you See on the Platycerium superbum species, until fully mature. As Platycerium grande matures its Fertile Fronds become just as Wide , Large and Long as those of Platycerium superbum, It just takes more time to get there .