Walnut Creek’s Ruth Bancroft is a national authority on drought-resistant gardening. Twice a month she and her staff share their knowledge with readers. There are lots of showy plants from tropical or ...

A second biological control agent is moving closer to entering the battle against the erythrina gall wasp to enhance survival of endemic wiliwili trees across Hawaii. Releasing the parasitoid will ...

I received seeds from an erythrina, which I believe is often called Mexican coral. It becomes a tree with bright red blooms that occur throughout the year. What is the best way to plant these seeds? A ...

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