Planting Fields Arboretum State Historic Park
1395 Planting Fields Rd. Oyster Bay, NY 516-922-9200
409 acres; 4.5 miles of nature trails and 150 acres of landscaped plantings, including rhododendron and azalea displays.
There's a synoptic garden, a rose garden, a main greenhouse with exotic plants year-round, a camellia greenhouse and a gift shop.
Coe Hall mansion self-guided tours are conducted 11:30 a.m.-3:30 p.m.Hours: Arboretum 9 a.m.-5 p.m., main greenhouse 10 a.m.-4:00 p.m., camellia greenhouse (prime-time bloom in February) 10 a.m.-4 p.m.; Coe Hall: 11:30 a.m.-3:30 p.m. daily, except legal holidays from March 30-September. Season: Daily all year, closed Christmas Day