This piece by Pyotr Ilyich Tchaikovsky is a delightful miniature, likely showcasing his characteristic melodic gifts and harmonic richness. Its title suggests a tranquil and poetic evocation of springtime.
The primary technical challenge lies in achieving a seamless legato and a sensitive interpretation of the melodic line.
Blue Eyes of Spring is rated Henle level 3 of 9 — late beginner repertoire, roughly ABRSM grades 4–5. In the RCM system it corresponds to about level 3.
You should be comfortable at Henle level 3 — meaning you can already play level 2–3 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 Blue Eyes of Spring lasts about 3 minutes.
Blue Eyes of Spring is available as free public-domain sheet music on IMSLP — the score is linked directly from this page.