The Daffodil plant, bulb, and flowers contain toxins and should not be fed in large amounts to your tortoise.
So, can a hermann tortoise eat Daffodils? You can feed, yes but not in large amounts. It is semi-toxic and can have adverse effects if over fed.
Can Hermann Tortoises eat Daffodils?
From experience, the leaves are not an issue but the stamen (middle section of the flower) is the one with toxins. However, a little nib on the plant will do no harm to your tortoise.
ALSO SEE: Can Hermann ortoises eat Buttercups?
Typially cultivated as a garden plant in the UK, too much consumption of this plant can cause convilsions, vomiting, diarrohea, and has potential to damage the nervous system and paralyse the heart.