Breithlá Sona Irish Birthday Card. Irish language happy birthday greeting card. This card can be planted after use and grow into windflowers and grasses. Printed on eco friendly recycled plantable seed paper by the clever Bláithín Makes. Printed using non toxic edible inks. PLEASE NOTE: Seeds are not guaranteed to germinate and are determined by many factors in growing: light, heat, compost etc. If you’re flowers don’t grow, know that you have chosen an eco friendly, Irish product that is compostable and will biodegrade, reducing our waste and impact on the environment.