Hypericum kalmianum 39sunny boulevard39 must have been named in midsummer for that is when the plant39s sunny golden blooms illuminate the garden the yellow flowers adorn the plant39s semi45evergreen foliage in july and august adding ample colour to the middle of any border the hardy shrub remains interesting throughout the rest of the year too its leaves are attractive low45maintenance and bear intriguing red fruit after september this variety of st john39s wort