bulb roots

How Deep Do Tulip Roots Grow? Species tulips, which aren’t targeted by squirrels, can be planted more shallowly, generally about 4 (10 cm) to 5 (12.5 cm) inches deep, while mid-sized species, like Tulipa greigii, are planted 6 (15 cm) to 8 inches (20 cm) deep. What kind of roots do tulips have? Tulips grow