- Name: Regal Trumpet Lily - Other Common Names: Regal Lily / Royal Lily / King's Lily - Scientific Name: Lilium Regale - Color: White With Pink & Yellow - Plant Seeds: Late Winter Or Early Spring - Bloom Time: Early Summer (June In The N Hemisphere) - Hardiness Zone: 3 – 9 - Plant Height: 36 - 48" - Plant Spacing: 12" - Light Requirements: Sun - Part Shade - Soil & Water Preferences: Average - Quantity: 10 Seeds - Other: This Is My Absolute Favorite Lily! They Are Stunningly Beautiful With Their Numerous Giant Blooms, & Are One Of The Easiest To Grow From Seed. Their Huge Trumpet Shaped Blooms Measure 8 – 10” Long, & Each Stem Can Carry As Many As 25 Flowers! The Petals Are Purplish-Pink On The Backside & White On The Inside With Deep Yellow Throats. The Flowers Are Very Fragrant, & Will Attract Bees & Butterflies To Your Garden. They Also Make A Wonderful Long Lasting Cut Flower, However, Please Use Caution As With Many Lilies, They Can Be Toxic To Animals & Humans If Eaten. So, Don't Eat Them, & Keep Them Out Of Reach Of Children & Pets.