Plant of the Month February 2012

Globularia cordifolia

Globularia cordifolia ; photo by Todd Boland

Description and general information

This species is a dense low evergreen mat-forming perennial with leathery oval leaves 1–10 cm long. The flowers are produced in a dense, 2-3 cm diameter heads held above the plant on a 3–10 cm tall stems. Flowers are generally lavender-blue, are more rarely white or pink.

In the wild, this Globularia grows on rocky limestone scree slopes. It is found throughout the Alps and Pyrenees of southern Europe.

Cultivation

This Globularia prefers well-draned, gritty soil, full sun and alkaline soil. It is hardy to zone 4.

Bloom period

The blooming season begins in May in southern regions but as late as July further north.

Propagation

Seed and cuttings are the most popular methods of propagation. Division possible on large plants.

Seed

Surface sow (needs light to germinate) at 20 C. Germinates within 3 months.

Division

Large mats may be dug and cut into small pieces, keeping in mind they may essentially fall apart in numerous cuttings! This may be done in early spring or immediately after flowering.

Cuttings

Non-flowering rosettes or creeping stem tips may be taken in late spring/early summer. Keep them lightly shaded until well-rooted

References

1 //www.onrockgarden.com/germination-guide/plants

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