#11 King Protea
King Protea has big flowers that are nearly 12 inches in diameter. It loves full sun. Needs soil condition from average to rocky very well-drained; special prefers acidic soil.
#12 Oriental Poppy
The poppy plant will reward you with flowers that are bigger than your hand. It loves full sun, needs fertile, well-drained soil with average moisture.
#13 Tree Peony
The Tree Peony can create flowers that measure up to 9 or 10 inches in diameter. It loves full sun to part shade, needs fertile loam.
#14 Giant Water Lily
Giant Water Lily has enormous white flowers that appear to rest on the surface of the water. It loves full sun and needs submerged rich loam.
Moonflower gives you large white flowers with near-perfect circular shapes. The flower loves full sun, can tolerate any soil type.
#16 Giant Zinnia
Giant Zinnia is famous for its small and rounded petals. It grows in tight and overlapping layers for a lush effect. It loves full sun and needs moist, well-drained soil.
Amaryllis grows with multiple layers of overlapping petals. The enormous and colorful blooms appear in small clusters. It loves full sun to part shade.
#18 Angel’s Trumpet
Angel’s Trumpet gives big, beautiful flowers up to 10 inches across and a thrilling 1.5 feet long. It loves full sun and needs moist but well-drained soil.
#19 Dinner-plate Dahlia
This flowers can grow to the size of a large plate and it has many layers of petals. It loves full sun and needs rich, well-drained soil.
When this Camellia starts to bloom, it is the time your yard comes alive with huge blooms. It loves part shade; needs moist, acidic, well-drained soil.