Two to four feet.
Flowers lilac or white, from June to August.
The single Rocket is a very robust and easily
grown plant for borders or back corners, being
indifferent to soil, and enduring a good deal
TIn a healthy state it forms a bushy tuft of leaves,
which in early summer rises in tall stems like
those of the Lunaria,
bearing broad heads of lilac flowers.
a perennial, it often flowers itself to death,
and is best treated as a biennial and raised from
seed sown in June every year. Sow in shallow drills
in the open, transplant a foot apart, put out
in the final places in October.
The white-flowered sort is not as effective as
The double Rocket, both lilac and white, is grown
in the same way as the single, but it must be
propagated by division of the root, and not by