Sea holly is a striking perennial that makes an eye-catching addition to a sunny garden. Native to Central and Eastern Europe ...

The carrot family contains an unexpectedly wide range of annuals, biennials, perennials ... and soak the plant thoroughly to encourage a fresh burst of attractive new leaves.

the plant is unaffected. No other thistle species in New Zealand is a perennial. Other species are either annuals or biennials, all with tap roots. Only the Californian thistle has horizontally ...

Canada thistle, a terrestrial herbaceous perennial in the Asteraceae family ... typically grows 3-5 feet tall stalk-less leaves around 6 inches long, wavy, lobed leaves with yellow spines at each lobe ...

However, Scotch thistle, and other biennials, does have some capacity to regrow if it is injured, like perennial weeds, by forming multi-rosettes from buds located at the base of each leaf. Scotch ...

is an invasive plant that prefers moist soils. European marsh thistle frequently invades fens, wetlands, and disturbed sites such as roadside ditches. Identifying features include: typically grows 2-7 ...