So I just did a little experiment revolving around plant seeds
i took the seed code from this 4 star prairie star:
And added 1 digit to every digit in the seed code except for the "0" at the beginning
for example: 0012568 => 0023679
so did the same to this plant (011 4302 => 022 5413)
Heres the new plant, a forest sprig with 5 stars: (feel free to use the seeds!)