Alta Dwarf Southern Magnolia
Magnolia grandiflora ‘TMGH’
Plant Details
USDA Plant Hardiness Zones: 6a-10b Find Your Zone
Plant Type: Evergreen Flowering Tree
Height at Maturity: 20-30′
Width at Maturity: 6-8′
Spacing: 7-8′ for solid hedge; 16’+ for space between between trees
Growth Habit / Form: Columnar to Pyramidal, Dense, Upright
Flower Color: White
Flower Size: Large, 10″
Flowering Period: Summer
Flower Type: Single
Fragrant Flowers: Yes – extremely fragrant!
Foliage Color: Dark Green, Copper-orange undersides
Fragrant Foliage: No
Sun Needs: Full Sun or Mostly Sun, Morning Sun with Dappled or Afternoon Shade, All Day Filtered Sun, Morning Shade with Evening Sun
Water Needs: Average, Low when established
Soil Type: Clay (amended), Loam, Sand (amended), Silt
Soil Moisture / Drainage: Well Drained Moist
Soil pH: 4.5 – 7.5 (Acid to Slightly Alkaline)
Maintenance / Care: Low
Attracts: Visual Attention
Resistances: Deer – more info, Disease, Drought, Heat, Humidity, Insect
Description
Sporting wonderfully fragrant white flowers measuring 10 inches across that fill the air with a fresh, lemony aroma, ‘Alta’ is a handsome Southern Magnolia with a more narrow, columnar and dense growth habit than its cousins. Growing 25 to 30 feet tall and only 8-10 feet wide at maturity, Alta makes a fine selection for privacy screen plantings or to frame tall homes where space is limited. Its dark green leaves with orange-bronze undersides are narrower than the species providing a unique and outstanding texture in the landscape.
Note: It’s difficult, if not impossible, to provide information that relates to the mature size of the Alta Magnolia as no one anywhere seems to have a full-grown specimen. Here’s what we do know: a height of 20 feet and width of 8 feet or so in 10 years can be expected.
Landscape & Garden Uses
Growing in an upright columnar form 20 to 30 feet tall and 8 to 10 feet wide, the Alta Southern Magnolia is ideal for use as a focal point specimen, in groupings, or as an evergreen privacy screen planting or background. Also effective to frame the corners of tall homes or other buildings or as espalier; trained to grow against a wall. Can also be grown in containers though eventually might need to be transplanted to the landscape. A fine addition to fragrance gardens, white theme gardens, wildlife gardens, cut flower gardens, and cottage gardens.
Spacing: 7 to 8 feet apart for solid screens; 16 feet or more apart for space between trees
See: Privacy Screen Planting Tips & Instructions
Growing Preferences
Alta Southern Magnolia is very easy to grow in a moist but well-drained soil of average fertility. It prefers a soil rich in organic matter and grows well in full sun or part shade. For best flowering and foliage density, we suggest 4 hours or more per day of direct sunlight or all-day filtered sun.
Helpful Articles
Click on a link below to find helpful advice from our experts on how to plant, prune, feed and water Southern Magnolia trees.
How To Plant & Care For Southern Magnolia Trees
Privacy Screen Design Planting Tips & Instructions
Plant Long & Prosper!
Meet The Wilson Brothers & Staff
Questions? Contact Us
Three trees were purchased in the heat of late summer 2021, shipped promptly, but the shipping company did its best to kill them off. All 3 trees went on different (strange) routes, moved at different s-l-o-w speeds, with the 3rd tree disappearing once it reached a checkpoint less than an hour from its destination. Wilson staff promptly replied to my increasingly concerned inquiries throughout and replaced the lost tree. The trees were very well packaged and protected from the very rough handling during shipping. They have now made it through an extremely hot summer 2022, shown modest growth, look healthy, and one plant even had a couple of lovely, fragrant blooms. I am excited to see how they progress in the next few years.————————————————-So sorry for the shipping problem. We are so glad you are pleased and we hope you enjoy them for years to come! Thanks for the great review! Keep us posted! 🙂 Beth Steele | WBG
This tree was bought as a Mother’s Day gift. It arrived really quickly and very well packaged. The tree even already had blooms on it. Would happily buy more from Wilson Bros.————————————————————-We are so glad you are pleased with your purchase! Thanks for the kind words and great review! Beth | WBG 🙂
Our Alta Magnolia arrived on time and in perfect condition.. not even one leave was broken.. we’re looking forward to watching it mature. Many thanks.——————————-We are so glad you are pleased and we hope you enjoy it for years to come! Thanks for the great review! 🙂 Beth Steele | WBG
I had a very good experience buying my Alta Southern Dwarf Magnolia tree from Wilson brothers. The website was easy to navigate, there was a good selection, all items had good descriptions and instructions, and my order was filled and shipped promptly. I was so surprised at how well the tree was packed. The pot was taped over the top, there was a cardboard divider that held the tree in place, and there was just a very small amount of soil that had to have leaked out of the bottom holes of the pot. The top of the tree was slightly bent over but otherwise the tree was in excellent condition. The bent top straightened up on its own in a few days. I’m very happy with the tree. I would recommend Wilson Brothers to anyone!———————Thanks for the awesome review! We are so glad you are pleased! Beth | WBG 🙂



















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