Laburnum anagyroides during May and June. "Laburnum anagyroides" blooms in late spring with pea-like, yellow flowers densely packed in pendulous racemes 10–25 cm (4–10 in) long. The flowers are golden yellow, sweet scented, and typically bloom in May. The seeds are legumes with large numbers of black seeds that contain cytisine, an alkaloid extremely poisonous to humans as well as goats and horses, especially when not ripe. However, some wild animals such as hares and deer can feed on them without any problems, and because of this the plant is believed to have magic properties in some regions. All parts of the
Laburnum Avenue an at-grade crossing of Norfolk Southern Railway's Richmond District rail line and intersects SR 33 (Nine Mile Road) west of Highland Springs and east of the historic home Beth Elon. The highway heads north, intersecting Creighton Road, then curves west and intersects US 360 (Mechanicsville Turnpike) within East Highland Park. Laburnum Avenue crosses over CSX's Piedmont Subdivision and passes along the southern edge of Richmond International Raceway between Carolina Avenue and Richmond Henrico Turnpike. Laburnum Avenue continues west into the city of Richmond. The four-lane boulevard intersects US 1 and US 301 (Chamberlayne Avenue) within the Ginter Park Historic District.