- Name: Golden Chain Tree - Other Common Names: Goldenchain Tree - Scientific Name: Laburnum Anagyroides - Color: Yellow - Plant Seeds: Outdoors After Frost / Fall / Indoors Weeks Before Last Frost - Bloom Time: Mid Spring - Early Summer - Hardiness Zone: 5 - 11 - Plant Height: 15 - 20’ - Plant Spacing: 10 - 12’ - Light Requirements: Sun - Part Shade - Soil & Water Preferences: Average - Quantity: 10 Seeds - Other: The Golden Chain Tree Is Fast Growing And Very Tolerant. It Will Put On Quite A Stunning Show For You!