Asparagus Asparagus officinalis L. A. Open pollinated varieties Asparagus Asparagus officinalis L. Variety Maturity Spear Remarks Colour Diameter Shape Homogeneity Argenteuil Early White and green spears Wide Large Medium Standard selection. with purplish glow Mary Washington Early Medium green, Medium wide Large Medium Rust tolerant. purpling at tip UC-72 Early Dark green with purplish Medium wide Large Medium Good Fusarium wilt cast, especially at tip tolerance and Rust tolerance. B. F1 Hybrids Asparagus Asparagus officinalis L. Variety Maturity Spear Remarks Colour Diameter Shape Homogeneity UC-157 F1 Early Very dark green Wide Very cylindrical, Very uniform Excellent under higher with a very tight temperatures. Very head productive hybrid. Pop Vriend Seeds B.V. Our seeds… the roots to your success.