Available - not endangered
TB 30″ Dbl. B1L
From Superstition Gardens catalog for 2006: “Unbelievable!! Diploid; pale blue sport of Celeste that has 6 S (YES 6) and 3 F; double S are essentially two overlapping layers. Very Rare!”
Note: The cv ‘Celeste’ appears very similar, but without the doubling of the standards.