Assertion: walnut's seed | /r/HasProperty | planted
Facets:
Source sentences:
text: Seedlings emerge in April or May the first or second spring after the seed is planted (46).
text: Some seeds, including cocklebur and amaranth, germinate only at high temperatures (30 °C or 86 °F); many plants that have seeds that germinate in early to midsummer have thermodormancy, so germinate only when the soil temperature is warm.