Skip to content
Perennial · Lamiaceae Draft — unreviewed

Phenomenal lavender

Lavandula × intermedia‘Phenomenal’

Also called lavandin.

Silvery evergreen subshrub with fragrant lavender spikes in early summer. Selected for tolerance of both cold winters and humid summers.

Size over time

Typical landscape size 0.6–0.9 m (2–3 ft) tall and 0.6–0.9 m (2–3 ft) wide; medium growth, about 3 years to maturity. Intermediate sizes use the planner’s growth curve (k = 0.25) from the #1 install size.

00.511.52mPlanting0.3 × 0.3 mYear 30.5 × 0.5 mYear 100.7 × 0.7 mMature0.8 × 0.8 m

Bloom

Lavender flowers, Jun–Jul (northern-hemisphere months; timing shifts with region and season).

Bloom calendar: months each plant is in bloom
PlantJFMAMJJASOND
Phenomenal lavender : Jun–Jul

Design notes

  • Needs sharp drainage and lean soil; root rot in wet clay.
  • Cut back by a third after bloom, never into bare old wood.

Regions

Native range: Garden hybrid.

Not recorded as native to any of the three pilot regions.

Native status describes where the species occurs naturally. It is not a promise that it suits a particular garden; site conditions decide that.

Related plants

Plan with Phenomenal lavender

Place it in a design, check it against your zone, light and moisture, and see it at year three and year ten.