When gardeners explore the world of magnolias, two standout varieties consistently capture attention: the Jane and Ann magnolia trees. At first glance, Jane and Ann magnolia might appear identical since they are both part of the "girl" magnolia hybrid cultivars.
However, each of these magnificent specimens offers distinct characteristics, understanding which may help homeowners decide which variety suits their gardening goals.
Origins and Purpose
The Jane and Ann magnolias were developed as part of the "Little Girl" series of hybrid magnolias, a group of cultivars created at the U.S. National Arboretum during the mid-1950s. The breeding effort was led by horticulturists, Francis DeVos and William Kosar, who aimed to produce magnolias that would bloom later in the spring to avoid the potential damage caused by late frosts.
Ann was part of the series, which included eight varieties: 'Ann', 'Betty', 'Jane', 'Judy', 'Pinkie', 'Randy', 'Ricki', and 'Susan'. The Jane magnolia resulted from crossing M. liliiflora 'Reflorescens' and M. stellata 'Waterlily', while the Ann magnolia combines M. liliiflora 'Nigra' and M. stellata 'Rosea'.
Size and Growth Characteristics
One of the most noticeable differences between these two magnolias lies in their mature size and form. The Jane Magnolia is a multi-stemmed small tree, reaching 20-25 feet tall and 20 feet wide, and is often taller than wide.
The Ann magnolia is a compact, multi-stemmed shrub, generally growing 10-12 feet tall and 15 feet wide. If rapid landscape coverage is a priority, homeowners may also want to compare these magnolias with Fast-growing trees before selecting a specimen.
Flower Characteristics
The flowering displays of these magnolias also provide their most distinctive features. The Jane magnolia blooms later in the season, producing fragrant flowers of 3.5 to 4 inches in diameter with 8 to 10 broad tepals. The flowers are red-purple at the base and then slowly lighten to a softer red-purple at the apex on the outside. However, the inside remains white.
In contrast, the Ann magnolia blooms earlier and bears flowers up to 4 inches in diameter with 6 to 8 petals. Gardeners who enjoy seasonal blooms can also consider White flowering trees to create contrast with the pink and purple tones of Jane and Ann magnolias. The flowers are red-purple from both inside and outside, with a red-purple tint throughout.
Growing Conditions and Care
Both Jane and Ann magnolias thrive in USDA Zones 3b to 8 and share similar growing needs. Before planting either cultivar, homeowners can refer to a Tree planting guide to understand factors such as location, soil preparation, spacing, and early watering requirements. Here are the growing conditions for each magnolia mentioned below:
Jane Magnolia:
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It prefers rich, neutral to slightly acidic, well-drained soils with medium moisture.
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It grows in full sun or partial shade, under large deciduous trees.
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It requires frequent watering during the first summer.
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Apply 2-3 inches of mulch to keep soil cool and moist while keeping weeds at bay.
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Use a slow-release fertilizer in early spring to support vigorous growth and possibly trigger a second midsummer bloom.
Ann magnolia:
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It prefers rich, neutral to slightly acidic, well-drained soil with medium moisture.
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It grows well in full sun to part shade.
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Mulching the root zone helps retain moisture.
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It provides protection against strong winds; avoid warm southern exposures to prevent early budding.
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It has a fleshy root system, so avoid transplanting once the plant is established.
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Requires pruning after flowering. Apart from the removal of dead and damaged branches, it needs little pruning.
Pests and Diseases
Both Jane and Ann magnolias are susceptible to similar pests and diseases such as leaf spots, anthracnose, canker, dieback, and powdery mildew. Potential insect problems include weevils, snails, scale, and thrips.
Landscape Uses
Jane Magnolia is non-invasive and grows without spreading much. It is a low-branching tree that looks like a shrub. This makes it an excellent focal point in any yard. For enhanced visual impact, Jane Magnolias can be planted in groups of three or four to anchor the corners of a garden or home.
Ann magnolia functions well as a flowering shrub or small tree, ideal for lawns, foundations, shrub borders, or woodland peripheries. For a layered planting scheme, Purple flowering shrubs can also be paired with magnolias to introduce additional color and texture around borders and foundation beds. It can be planted individually as a specimen, in groups for mass plantings, or shaped into a tall informal hedge.
| Feature | Jane | Ann |
| Size | 20–25 feet tall × 20 feet wide | 10–12 feet tall × up to 15 feet wide |
| Bloom Time | Late season | Early season |
| Flower Size | 3.5 to 4 inches in diameter | 4 inches in diameter |
| Tepals | 8-10 | 6-8 |
| Colour | Red-purple outside, white inside | Red-purple with tint inside |
Conclusion
The decision to opt between Jane and Ann magnolia depends on space availability, desired mature size, and aesthetic preferences. The Jane magnolia offers larger flowers with more petals and better aesthetics, while the Ann magnolia provides intense colour in a more compact package. Choosing between them depends on personal preference and landscape needs, but either cultivar adds charm and color to any garden setting.
