Rita's Garden Path

Magnolia (Magnolia 'Ann')

Magnolia 'Ann' is a late-blooming deciduous shrub valued for its stunning purple-red, fragrant flowers, ideal for Zones 4-8.

Magnolia (Magnolia 'Ann')

Complete Plant Information

🌡️
Hardiness Zones
USDA 4 - 8
🌿
Plant Type
Deciduous shrub
🌳
Plant Family
Magnoliaceae
☀️
Sun Exposure
Full sun to part shade
💧
Water Needs
Medium
🛠️
Maintenance
Medium
📏
Height
10' - 12' (305cm - 366cm)
↔️
Spread
10' - 12' (305cm - 366cm)
🌸
Bloom Time
April to May
🎨
Flower Color
Purple-red
Flower Qualities
Showy, Fragrant
💪
Tolerances
Clay Soil, Air Pollution
🏡
Garden Uses
Hedge, Flowering Tree

Overview

Magnolia ‘Ann’ is a highly sought-after deciduous shrub, a celebrated member of the “Little Girl” series bred for reliability and beauty. This hybrid is specifically valued because its late bloom time helps protect the stunning purple-red flowers from damaging late spring frosts common in many temperate climates. As a slow-growing shrub or small tree, Magnolia ‘Ann’ provides substantial aesthetic impact with its showy, chalice-shaped blooms that may sporadically repeat late in the summer.

This variety of Magnolia offers excellent structure, reaching a mature height and spread of 10 to 12 feet, making it perfect for defined spaces where a large, traditional Magnolia might overwhelm the area. Growers can expect medium water needs and a maintenance level that is categorized as medium, rewarding attentive care with vibrant color and a pleasing fragrance.

For gardeners looking for reliable spring color and structure, incorporating Magnolia ‘Ann’ into the landscape ensures a spectacular display. Its adaptability to various soil types, including clay, and tolerance to air pollution also make the versatile Magnolia ‘Ann’ a strong candidate for urban and suburban settings.

Fast Facts

  • Plant Family: Magnoliaceae
  • Plant Type: Deciduous shrub
  • Hardiness Zones: USDA Zones 4-8
  • Size at Maturity:
    • Height: 10-12 ft
    • Spread: 10-12 ft
  • Bloom Time: April to May
  • Bloom Description: Purple-red
  • Sun Exposure: Full sun to part shade
  • Water Needs: Medium
  • Maintenance Level: Medium

How to Grow

The best time to plant Magnolia ‘Ann’ is during the spring or fall season, allowing the root system time to establish before extreme temperatures arrive. Site selection is critical, as this Magnolia has a fleshy root system that is easily damaged by disturbance; choose a permanent location carefully and leave it undisturbed once planted. Cultivate the soil to be organically rich, neutral to slightly acidic, medium moisture, and well-drained to ensure optimal performance.

Consistent medium watering is essential, especially during establishment. To help retain soil moisture, apply a thick root-zone mulch annually. Furthermore, select a location protected from harsh winds, but importantly, avoid warm southern exposures that can cause premature bud opening before the threat of frost has passed.

Pruning for Magnolia ‘Ann’ should be kept minimal. Perform any necessary corrective pruning immediately after the main spring flowering concludes. Typically, this involves only removing dead or damaged branches. Because it blooms later than many other magnolias, the risk of frost damage to the flowers is reduced, offering reliable seasonal enjoyment.


Landscape Uses

Magnolia ‘Ann’ shines as a versatile flowering specimen, functioning perfectly as a small ornamental tree or a substantial, dense flowering shrub. Its compact, rounded habit makes it an excellent choice for structuring shrub borders where its late spring bloom can anchor the season’s color palette. It is also well-suited for planting near foundations, providing vertical interest without overwhelming the home’s structure, or massed near woodland peripheries where dappled light is available.

When used as a specimen plant, the slightly fragrant, cup-shaped flowers of Magnolia ‘Ann’ are best appreciated up close. Consider using it as an informal hedge, as its density allows it to create a beautiful, natural screen. For companion planting, pair it with early spring bulbs like daffodils or later-blooming hydrangeas to ensure continuous garden interest throughout the growing year in USDA Zones 4 through 8.


Standout Features

Flower Qualities

  • Showy
  • Fragrant

Noteworthy Characteristics

Magnolia ‘Ann’ is a hybrid resulting from a cross between M. Liliiflora ‘Nigra’ and M. Stellata ‘Rosea’, developed by the National Arboretum in the 1950s. It is distinguished by its compact, shrubby form and the desirable late bloom time, which offers resilience against late spring frosts. This slow-growing deciduous shrub features lovely, slightly fragrant, chalice-shaped flowers up to 4 inches wide, which emerge in mid-April to early May.

Tolerances

  • Clay Soil
  • Air Pollution

Potential Problems

While generally robust, gardeners should monitor Magnolia ‘Ann’ for common fungal issues. Potential disease problems include leaf spots, anthracnose, canker, dieback, and powdery mildew, particularly in overly humid or shaded conditions. Implementing good air circulation through proper spacing is key to prevention.

Insect pests that occasionally affect this Magnolia include weevils, snails, scale, and thrips. Regular scouting, especially of new growth, allows for prompt treatment, often using horticultural oils or insecticidal soaps for scale and thrips management when infestations become problematic in your region.


Frequently Asked Questions

What hardiness zones is Magnolia ‘Ann’ suitable for?

Magnolia ‘Ann’ performs best in USDA Hardiness Zones 4 through 8.

How large does Magnolia ‘Ann’ grow?

This slow-growing deciduous shrub typically matures to a height and spread of 10 to 12 feet.

What sun exposure does Magnolia ‘Ann’ need?

For the best bloom performance and overall health, Magnolia ‘Ann’ requires full sun to part shade exposure.

When does Magnolia ‘Ann’ bloom?

This popular cultivar blooms reliably from April to May with distinctive purple-red flowers.


Conclusion

Magnolia ‘Ann’ is an indispensable landscape plant, renowned for its hardiness in cooler zones and its spectacular, relatively frost-safe spring display of fragrant blossoms. Its manageable size and impressive tolerance profile make this specific Magnolia a winning choice for many garden settings. Before installation, ensure your site offers the necessary rich, well-drained soil and plan to protect its shallow roots for long-term success.

Companion Planting

Selecting companions for Magnolia ‘Ann’ should focus on plants that share its preference for organically rich, slightly acidic, medium-moisture soil but offer contrasting texture or bloom times. Consider lower-growing, acid-loving shrubs like Azaleas or Rhododendrons planted at a respectful distance to avoid root competition, as these will bloom earlier or later, extending the season of interest around the Magnolia. Groundcovers that prefer similar conditions, such as Hellebores or Heuchera, can help regulate soil temperature and moisture immediately around the base of the Magnolia, though care must be taken not to pile mulch directly against the trunk.

Seasonal Care Calendar

Spring is the primary focus for the gardener tending to Magnolia ‘Ann’. Once blooming concludes in late spring, this is the ideal window for necessary pruning, ensuring you do not remove next year’s buds. Throughout the growing season (summer), maintain consistent medium moisture through deep, infrequent watering, especially during dry spells. In the fall, apply a fresh layer of organic mulch around the root zone to insulate the fleshy roots before winter arrives. Minimal winter protection is usually needed in Zones 4-8, provided the location is sheltered from harsh desiccating winds.

Recommended Companion Plants