Princess Sirindhorn's Magnolia
Magnolia sirindhorniae

Family: Magnoliaceae
Genus: Magnolia (mag-NO-lee-a) (Info)
Species: sirindhorniae (sir-ind-HORN-ee-ay) (Info)

Category:

Trees

Foliage Color:

Unknown - Tell us

Bloom Characteristics:

This plant is attractive to bees, butterflies and/or birds

Flowers are fragrant

Water Requirements:

Unknown - Tell us

Where to Grow:

Unknown - Tell us

Height:

Unknown - Tell us

Spacing:

Unknown - Tell us

Hardiness:

USDA Zone 9b: to -3.8 C (25 F)

USDA Zone 10a: to -1.1 C (30 F)

USDA Zone 10b: to 1.7 C (35 F)

USDA Zone 11: above 4.5 C (40 F)

Sun Exposure:

Full Sun

Danger:

N/A

Bloom Color:

White/Near White

Bloom Time:

Unknown - Tell us

Foliage:

Evergreen

Other details:

Unknown - Tell us

Soil pH requirements:

6.1 to 6.5 (mildly acidic)

Patent Information:

Non-patented

Propagation Methods:

From seed; sow indoors before last frost

By grafting

By air layering

Seed Collecting:

Unknown - Tell us

Gardeners' Notes:

1
positive
0
neutrals
0
negatives
RatingContent
Positive

On Aug 7, 2010, musaboru from Ontario, CA wrote:

Princess Sirindhorn's Magnolia hails from a swampy region of Lop Buri province in Thailand. It was discovered in the late 1990s and brought into the horticultural trade in Thailand in the past several years. The Thais have dubbed it 'Champi Sirindhorn' (pronounced like Jumpy Sirin-tone) in honor of their beloved princess.

Magnolia sirindhorniae is classified under the subsection Michelia of the genus Magnolia. It looks similar to Magnolia champaca and Magnolia x alba in appearance. The leaves are moderately glossy and flowers are similar to M. champaca but the tepals are white and somewhat wider.

For the Inland Empire (east of Los Angeles), I would say it is best to grow them in bright shade under the canopy of other trees or avoid midday sunshine, at least w... read more