Looks interesting and this fertilizer has got some nitrogen. I would give that a go and have a look how your plants respond. I would not fertilize plants inside and enclosure. I would fertilizer the plants outside your chameleons enclosure then put the plants inside the enclosure long after...
To elaborate some. Furcifer angeli is an IUCN Red List species of Least Concern and has had a Madagascar CITES Quota of 150 specimens since 2017. This species has got some protection being Protected in some Nature Reserves, National Parks and with habitats outside protected area's as well...
How about Furcifer angeli!?! They are super rare Madagascar chameleon. However Furcifer angeli are sometimes available. Plus they are a similar species to Furcifer antimena.
Best Regards
Jeremy A. Rich
Trioceros melleri and Trioceros cristatus are exceedingly rare in the USA at this time. Calumma parsonii parsonii there are multiple breeders now a good Calumma parsonii parsonii breeder on Facebook is Rick Rose. Trioceros hoehnelii there are a couple breeders here on the Chameleon Forums, Bob...
You have a Calumma parsonii parsonii or just thinking about purchasing one? As well have you got an oversized enclosure and proper lighting to house a Calumma parsonii parsonii? There is a lot to review is you do not know what temperatures to keep for a Calumma parsonii parsonii.
Best Regards...