- Name: Gloriosa Daisy Indian Summer - Scientific Name: Rudbeckia Hirta - Gloriosa Mix - Color: Yellow With Red & Brown Centers - Plant Seeds: Outdoors After Frost / Indoors Weeks Before Last Frost - Bloom Time: June - Oct - Hardiness Zone: 4 - 9 - Plant Height: 24 - 36" - Plant Spacing: 18 - 24" - Light Requirements: Sun - Part Shade - Soil & Water Preferences: Average - Dry - Quantity: 4000 Seeds - Other: These Daisies Seem To Be Particularly Hardy. I Have Had Mine In Big Pots Above The Ground For Years. They Spend All Winter Exposed To All The Elements And Still Come Back Bigger & Better Every Year! The Flowers Are Huge And Lovely In Their Fall Colors.