Hydrophyllum Occidentale, Western Waterleaf. The leaves provide the best way to distinguish hydrophyllum occidentale from similar species such as hydrophyllum fendleri; they are pinnately divided into an odd number (7 to 15) of leaflets, which have a relatively small number (2 to 4) of large, rounded teeth along the edges.
Western Waterleaf Care
Hydrophyllum Occidentale
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How to Care for the Plant
Water
Water as needed to keep the soil slightly moist but never soggy.
Pruning
You should prune out any brown or yellow fronds.
Fertilizer
You can fertilize the plant every spring using a general, all-purpose mixture.
Sunlight
Waterleaf prefers shady sites. This native perennial prefers shady to partly shady sites (but tolerates full sun) and loamy soil rich in organic matter. It can be a good addition to woodland gardens but spreads aggressively, so is not a great choice for small landscapes.
Soil
Best grown in fertile, organically rich, continuously moist to boggy soils.
Temperature
Ideal temperatures should be approximately 65-75ºF + (18-24ºC +), closer to 70ºF is best.
Additional
The entire genus is highly toxic.
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