Species

Magnolia loebneriLoebner Magnolia

1 other cultivar

‘Leonard Messel’Leonard Messel Magnolia

tree RHS AwardN. America Native

Merrill Magnolia

Magnolia loebneri 'Merrill'

The Story

Plant Bio

Magnolia x loebneri is a group of hybrids known for being vigorous, multi-stemmed small trees or large shrubs that bloom at an early age. They are celebrated for their hardiness and abundant spring flowers.

'Merrill' is a fast-growing cultivar that develops a rounded crown and is covered in slightly fragrant, white, star-like flowers, each with about 15 petals, before the leaves emerge.

Uses & Benefits:

Provides one of the most glorious displays of early spring, with the entire tree covered in pristine white blossoms before any leaves appear. The smooth gray bark and handsome structure offer winter interest.

Its smaller stature makes it an excellent choice for urban and suburban landscapes where a large tree would be inappropriate. It can be grown as a single or multi-stemmed tree.

Offers early spring nectar for emerging native bees and other pollinators. It also provides nesting sites and cover for birds.

SpeciesMagnolia loebneriLoebner Magnolia

Essentials

At a Glance

Plant Type

Tree

Height

300 inches

Width

300 inches

Light

Full Sun, Partial Sun

Zones

4, 5, 6, 7, 8, 9

Water

Medium

Humidity

Moderate

Lifespan

Long-lived tree, 50+ years

Native To

Hybrid origin (Japan parentage)

Toxicity

Non-toxic

Bloom period

Early spring – Mid-spring

In flower about 2 months of the year

Planting

How to Grow

Select a site with full sun and protection from harsh winds.
Prepare a hole twice as wide as the root ball.
Plant at the same depth as it grew in the nursery.
Backfill with native soil and water deeply.
Apply a 3-inch layer of organic mulch over the root zone.
Water regularly during the first few years to establish.

Pro Tip

Site in a location protected from strong winter winds and late spring frosts to protect the early blooms.

Keep It Thriving

Care Guide

Do

Provide consistent moisture, especially when young.
Mulch to protect the shallow, sensitive root system.
Site carefully to protect early buds from late frosts.
Plant in slightly acidic, organically rich soil.

Don't

Do not plant in wet, boggy, or alkaline soils.
Avoid heavy pruning; it ruins the natural form.
Do not cultivate or dig around the base due to shallow roots.
Avoid planting in southern exposures in cold climates, which can cause premature budding.

Seasonal Care Calendar

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

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Spectacular spring specimen treeElegant lawn tree for small yardsGraceful patio or courtyard tree

Companion Plants

Helleborus Narcissus Muscari Brunnera macrophylla Epimedium

Multiply

Propagation Methods

Good to Know

Common Questions

Merrill Magnolia questions

What zones can Merrill Magnolia grow in?

Merrill Magnolia is hardy in USDA Zones 4–9. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is Merrill Magnolia deer resistant?

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

When does Merrill Magnolia bloom?

Merrill Magnolia typically blooms in early spring through mid-spring. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.

Does Merrill Magnolia need full sun?

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