FAQs Advanced Search Advanced Search Close Panel All of these words This exact phrase Any of these words Without these words Search within: NParksWhole of Government Expand All Collapse All Singapore Botanic GardensNational Orchid Garden 1. What are the opening hours and admission fees? The National Orchid Garden is open from 8.30 am to 7 pm daily (last ticket sale at 6pm). The admission fee is $5 for adults, $1 for students and $1 for Senior Citizens (60 years and above). Admission is free for children below 12 years.