There is no better sign that cooler days are on the way than the flowering of the senna that grow in my garden. The first is the Lindheimer senna, Senna Lindheimeriana, also known as known as velvet leaf senna. This Texas native is named after the man sometimes called the father of Texas botany, Ferdinand Jacob Lindheimer (1801-1879).
A perennial, growing mainly on the Edwards plateau it requires no additional water or fertilizer other than which nature provides. That is a bonus this year because after 2 months with no rain the first of the senna started to bloom this week. Other Texas natives are withering and turning brown but the senna will bloom.
The second member of the senna family is Cassia corymbosa, sometimes called flowery senna.
Both these sennas freely seed themselves but this one chose the perfect place seeding itself in a difficult corner of the garden where there is no sun most of the year. I am delighted that it has chosen to flower this year.
Although this tree is not long-lived it produces replacements plants aplenty.
A May visit to Joy Creek Nursery
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