Campbell Rhododendron Gardens Bacchante St, Blackheath
Open daily. 9am-4pm Admission by donation.
Peak blooming period October/Nov.
18.3ha featuring 2,000 rhododendrons beneath eucalypt canopy; lake surrounded by azaleas; conifers; maples; cool climate plants; native bushland including tree ferns, banksias and waratahs;
(02) 4787 8965
Merry Garth Davies Lane, Mount Wilson
Open daily Apr, May, Sept, Oct, Nov & most other days. 9am-6pm. $5 adults, children free.
2ha collectors garden with woodland areas, rainforest walk, rock garden, bulbs, alpines, significant collection of trees & shrubs; rare plant nursery.
(02) 4756 2121 after 7pm
Illawarra Grevillea Park Rear of Bulli Showground Complex, Princes Hwy, Bulli
Some sections open daily. 10am-4pm. $5, children free.
Enclosed sections open 6-7 & 13-14 Sept 2014, 25-26 April 2015, 2-3 May 2015, 4-5 & 11-12 July 2015. 5-6 & 12-13 Sept 2015.
11ha Australian plant garden; significant collection of grevillea species; rainforest area being developed; historic chapel.
Ku-ring-gai Swain Gardens 77 Stanhope Rd, Killara.
Open daily all day. Free admission.
2ha Council-owned rose & English-style gardens; rhododendron walk; creek; tree ferns; bird sanctuary; adjoins rainforest reserve; bush walks; picnic area; available for weddings (fee applicable).