Little Gem Magnolia (Magnolia grandiflora 'Little Gem') - white flowers, illustrated plant cardIllustration

Little Gem Magnolia

Magnolia grandiflora 'Little Gem'

Little Gem Magnolia blooms from May through September.

Bloom calendar
Bloom time
May–Sep
not yet checked
Hardiness
Zones 7–10
not yet checked
Sun
Full sun
not yet checked
Water
Moderate water
not yet checked
Mature size
20 ft × 10 ft
not yet checked
Type
Tree
house classification

Months here are Northern Hemisphere months; in the Southern Hemisphere, shift them by six months.

Growing Little Gem Magnolia

Plant it in full sun. It prefers moderate water. It is hardy in USDA zones 7–10. Expect it to reach about 20 ft tall and 10 ft wide at maturity, in roughly 15 years (not yet checked).

No toxicity note is on file for Little Gem Magnolia. That is not a clearance: check its safety for people and pets before planting.

Verification
What this means

Written with AI assistance and not yet checked plant by plant against recorded sources, so treat every fact above as a starting point. Its scientific name was checked against botanical registries, an audit keeps its values consistent with the rest of the library, and a July 2026 review re-read the main facts of every plant then in the library against horticultural authorities without recording a source for each, which is why none of that counts as checked here. The source-by-source check is working through the whole library in the open, and a checked plant says so in this row.

When to plant Little Gem Magnolia

Plant Little Gem Magnolia in early spring as soon as the soil is workable, or in early fall at least six weeks before your first frost, so roots establish in cool weather. In zone 8, the middle of its hardy zones 7 to 10, spring means February to April and fall means September or October. Once settled, it blooms from May to September.

Month-by-month timing for your zone is on the planting calendar; if you garden near zone 8, the middle of this plant's hardy range, start with zone 8 in February. Derived from the plant's category, zones and bloom months plus typical zone frost dates, not checked separately.

How big does Little Gem Magnolia get?

Illustration of Little Gem Magnolia drawn to scale beside an adult20 fttall5 ft 7 inan adult10 ftwide
About 20 ft tall and 10 ft wide at maturity: about 4 times as tall as an adult.

See Little Gem Magnolia in a garden plan: the planner shows it in 3D beside everything else you add, growing toward this size over the years.

How far apart to plant Little Gem Magnolia

Derived from the mature spread above by a fixed rule, not checked separately: spacing is the spread, center to center.

Give Little Gem Magnolia about 10 ft of clear ground in every direction, measured from its center. It is one plant with room around it, not a row, and a raised bed is too small for it.

Clear ground around it
10 ft in every direction

Add Little Gem Magnolia to a garden plan and the planner draws it at its full width, so you see the spacing before you buy.

The Magnolia group

One of 13 in the Magnolia group. Same genus, similar care.

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Drop this plant onto a 3D plan, see how it fills in, and watch your whole garden bloom across the year.

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