One of the most famous American parlor-style salon pieces, it relies on a beautiful, yearning melody supported by rich, arpeggiated harmonies. It is a hallmark of early 20th-century American Romanticism for the piano.
Manage the wide-span arpeggios smoothly without disrupting the melodic line.
Comparable difficulty and character — good candidates for what to learn next.
As in a Rose Jar (Op.33 No.2) is rated Henle level 4 of 9 — intermediate repertoire, roughly ABRSM grades 5–6. In the RCM system it corresponds to about level 7.
You should be comfortable at Henle level 4 — meaning you can already play level 3–4 pieces cleanly. Learning it one level early is possible as a stretch piece, but more than that usually leads to months of frustration.
A typical performance of As in a Rose Jar (Op.33 No.2) lasts about 3 minutes.
As in a Rose Jar (Op.33 No.2) is available as free public-domain sheet music on IMSLP — the score is linked directly from this page.
Pieces at a comparable difficulty and character include Berceuse by Frank Bridge, 'Picardy' by Alec Rowley, Au hameau by Fritz Büsser — see the full similar-pieces list on this page.