probably has the same root cause as MC-132734.
The particles generated from breaking, falling on, etc. potted ferns are a different colour from the particles produced by any other potted plant. This is due to the fern needing to change colour per biome, with this carrying on to the particles themselves.
Related issues
relates to
Attachments
Comments

Can confirm in 20w51a.
Can confirm in 21w05b.
Can confirm in 21w06a.
Can confirm in 21w07a.
Can confirm in 21w13a.
Can confirm in 21w14a.
Can confirm in 1.17.
Can confirm in 1.17.1.
Can confirm in 1.18.
Can confirm in 1.18.1.
Can confirm in 1.19.

Can cnfirm in 1.19.1-pre6.
Can confirm in 1.19.2.

i can confirm in 1.19.3 and 23w04a