The rarest pothos variety is almost always a heavily white type. Pothos Harlequin sits at the top of most lists. Right behind it come Pothos Albo and Skeleton Key. These plants stay rare for one simple reason. White leaf tissue has no chlorophyll. So it grows slow, and a grower cannot make many new plants from it each year.
A rare pothos earns that label because supply cannot keep up. The whiter the leaf, the less food the plant makes for itself. White parts grow at a crawl. A cutting with mostly white tissue often fails to root at all. So even a grower with a gorgeous mother plant can only turn it into a few new ones per year. You end up on a waitlist while demand keeps climbing. That gap between supply and want is what crowns the rarest pothos variety in the first place.
Three things stack up to keep your odds of finding one low. The first is the slow growth that comes with all that white tissue. The second is an unstable pattern. The white and green are not locked into the plant's genes. So a Harlequin can throw a near-white leaf one month and a mostly green one the next. The third is steady demand from buyers who all want the same look.
Harlequin is the showpiece you will hear about most. It has the boldest, cleanest split between bright white and deep green. Some leaves come in a single shade. Albo gives you marbled white streaks across green leaves. It is a touch easier to grow than Harlequin, which is why you spot it a bit more often. Skeleton Key stands apart for its shape. Its leaves are narrow and arrow-like, not for its color, and that odd form makes it tough to track down.
You also need to watch for reversion in any of these plants. A variegated pothos can slide back toward solid green over time. This happens when a green-heavy vine out-grows the white parts. Green grows faster, so the plant pours its energy there. The white can fade out for good if you ignore it. You fight this by pruning the plain green vines. That push keeps the variegated growth points active and tells the plant to keep its color.
Expect to pay a real premium for a true collector pothos. A well-marked Harlequin can cost many times what a common golden pothos runs. A small cutting can cost more than a full mature plant of a common type. The price climbs with the size of the plant and the balance of its color. The more even and bright the white, the more you pay. Strong demand and tiny supply set those prices. The basic care is not the hard part here. These plants are not fussy at all. They are just slow, and slow is what makes them cost so much.
Take one more step before you pay top dollar for the rarest pothos variety. You should check the variety against a reliable description and clear photos of the exact plant. Names get mixed up all the time online. An Albo gets sold as a Harlequin, or the other way around. Look at the real leaves, not just the label on the pot. Ask the seller for a current photo if the listing is old. Try to buy a plant that already has a few variegated growth points. That gives you the best shot at keeping the color you paid for. A good rare pothos pays you back for years. Just start with a healthy, well-marked one and prune it to keep the look.
Read the full article: Pothos Varieties: Types, Care and ID Guide