Gypsophila altissima prefers well-drained soil and can tolerate moderate drought once established. Water thoroughly when the top inch of soil feels dry, but avoid waterlogged conditions, which can lead to root rot.

Reduce watering in cooler months.

Deadhead spent flowers to encourage further blooming and maintain a tidy appearance. Cut back the plant after flowering or in late winter to promote new growth and shape. Remove any dead or damaged stems at any time.

Gypsophila altissima can be propagated by seed sown in spring or autumn. It can also be propagated by division of established clumps in spring, or by stem cuttings taken in late spring or early summer.

Ensure cuttings are kept moist.

This plant is typically grown in garden beds and does not require frequent repotting. If grown in containers, repot every 2-3 years in spring into a slightly larger pot with fresh, well-draining potting mix.

Avoid disturbing the roots excessively.