3 named cultivars

shrub

Mockorange

The Story

Plant Bio

Philadelphus x virginalis is an upright deciduous shrub raised as a garden hybrid, reaching six to ten feet in both directions with red-brown bark that peels lightly with age. Opposite ovate leaves clothe green to red-tinged stems, and cup-shaped white flowers one to three inches across, semi-double or fully double, open in late spring with a strong sweet scent.

The doubled flowers are the point of this hybrid — heavier and longer lasting than the single mock oranges, though slightly less powerfully scented. Like all mock oranges it flowers on wood made the previous year, so prune within a few weeks of the flowers fading; a late-winter tidy removes precisely the growth that would have bloomed.

Uses & Benefits:

Heavy double white flowers in late spring, strongly scented, on an upright arching frame.

Hardy, long-lived and undemanding, and useful as an informal screen at full size.

Bees work the flowers where the doubling still allows access, and the dense growth shelters small birds.

Essentials

At a Glance

Plant Type

Shrub

Height

96 inches

Width

96 inches

Light

Full Sun, Partial Sun

Zones

4, 5, 6, 7, 8

Water

Moderate

Humidity

Moderate

Lifespan

Perennial

Native To

Garden hybrid

Toxicity

Non-toxic

Planting

How to Grow

Plant in full sun or light shade in well-drained soil.
Allow eight to ten feet of width at maturity.
Water through the first two summers.
Prune immediately after flowering, never later.
Cut a third of the oldest stems to the base each year.
Site later perennials in front to hide plain summer growth.

Pro Tip

Take a third of the oldest stems out at ground level each year and it never becomes the bare-legged thicket most old mock oranges turn into.

Keep It Thriving

Care Guide

Do

Prune within weeks of flowering ✂️
Remove a third of the oldest stems yearly 🪵
Plant it where the scent carries 👃
Give it room to reach ten feet 📏

Don't

Prune it in late winter ❌
Shear it into a formal shape ❌
Plant it in a five-foot gap ❌

Seasonal Care Calendar

Task	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Mulch
Prune

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Scented shrub beside a door or seatInformal flowering screenBack of a mixed border

Companion Plants

Peony Hardy Geranium Catmint WeigelaLady's Mantle

Multiply

Propagation Methods

Good to Know

Common Questions

Mockorange questions

What zones can Mockorange grow in?

Mockorange is hardy in USDA Zones 4–8. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is Mockorange deer resistant?

Yes — Mockorange is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.

When does Mockorange bloom?

Mockorange typically blooms in late spring through early summer. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.

Does Mockorange need full sun?

Mockorange does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.

Is Mockorange drought tolerant?

Yes — once established (usually after the first full season), Mockorange handles dry spells with minimal watering. Water deeply its first year to build the root system that makes that possible.