How to Grow Serratifolia

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Serratifolia

Pterocarpus serratifolia

tree

Serratifolia, also known as Burmese Rosewood or Padauk, is a tropical hardwood tree native to Southeast Asia, particularly Myanmar and Thailand. It produces beautiful reddish to deep purple wood and is valued both as an ornamental shade tree and for timber. The tree features compound leaves and produces seed pods characteristic of the legume family.

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Example Serratifolia timeline · Pittsburgh, PA (Zone 6b)

  1. Plant Serratifolia

    Around Apr 17

    Near Pittsburgh's average last spring frost.

  2. Tend & protect

    Late spring–summer

    Watering, feeding, and pest-watch reminders.

  3. Harvest Serratifolia

    Late summer into fall

    Before the first fall frost (≈ Nov 8)

Sample dates for Pittsburgh, PA. Sign up to get exact Serratifolia dates for your own zip code.

Growing Conditions

☀️
Sun: Full sun, 6-8 hours daily for best growth and wood coloration
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Water: Moderate watering; keep soil consistently moist but not waterlogged during growing season. Reduce watering during dry season. Established trees are drought-tolerant.
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Spacing: 300 inches
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Days to maturity: 3-5 years to maturity; 15-20+ years to significant timber production
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Planting depth: Plant seeds 1 inch deep or transplant seedlings at soil line

Soil

Type: Well-draining loamy to sandy soil
pH: 6.0-7.5
Amendments:
Organic compost Peat moss Coarse sand for drainage

Growing Zones

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Thrives in USDA zones 10b-12, tropical and subtropical climates only

10b 11a 11b 12a 12b

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Growth Stages

1

Seedling

4-8 weeks

Young plant with small, tender compound leaves and developing root system

Provide warm, humid conditions (75-85°F). Use well-draining seed starting mix. Keep soil moist but not soggy. Provide bright indirect light initially, then gradually increase sun exposure.

2

Vegetative

1-2 years

Rapid growth with expanding canopy of feathery compound leaves; trunk thickens

Provide full sun exposure. Maintain consistent moisture during dry periods. Apply balanced fertilizer monthly during growing season. Prune lower branches for better form if desired.

3

Establishment

2-3 years

Tree develops stronger branch structure and deeper root system; wood begins to color

Reduce watering frequency as tree establishes; allow soil to dry slightly between waterings. Thin competing branches. Monitor for pests and diseases. Mulch around base to retain moisture.

4

Flowering

4-6 weeks

Small yellow to orange flowers appear in clusters (panicles) among the leaves

Ensure adequate sunlight to promote flowering. Maintain moderate fertilization. Do not prune heavily during flowering. Allow flowers to develop into seed pods.

5

Maturity

Ongoing

Large, well-formed shade tree with distinctive reddish wood visible in exposed areas; produces seed pods regularly

Minimal care required for established trees. Prune only to maintain shape or remove dead wood. Provide supplemental water during extended drought. Tree is self-sustaining.

Companion Planting

Plan your garden →

Plant with:

Avoid planting near:

Shallow-rooted plants that compete for nutrients Plants requiring cool conditions Frost-sensitive plants in marginal zones

Common Pests

  • Maintain tree health through proper watering and fertilization. Remove infested branches. Apply neem oil or systemic insecticides if severe. Avoid wounding the tree.

  • Hand-pick if population is small. Use neem oil spray or horticultural insecticides. Encourage natural predators. Defoliation is rarely fatal to established trees.

  • Spray with insecticidal soap or neem oil. Prune heavily infested branches. Maintain tree vigor through proper care.

  • Remove affected leaves. Improve air circulation through pruning. Avoid overhead watering. Apply fungicide if severe. Ensure good drainage.

Uses

🏠

Fine Hardwood Timber

Household

Serratifolia wood is a premium hardwood used for furniture, cabinetry, flooring, and decorative veneers. Its rich reddish to purple color and dense grain make it highly valued in woodworking and luxury applications. [source]

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Shade and Ornamental Tree

Household

The tree serves as an excellent shade tree in tropical landscapes with its broad canopy and attractive compound foliage. It is commonly planted in parks, estates, and large gardens. [source]

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Wildlife Habitat

Wildlife

The flowering tree provides nectar for pollinators and insects, while its seeds and pods support various bird and animal species in tropical ecosystems. [source]

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Traditional Medicine Applications

Culinary

In Southeast Asian traditional medicine, various parts of Pterocarpus species are used in herbal preparations, though Serratifolia is less commonly used than some relatives. [source]

🎨

Wood Turning and Carving

Craft

The beautiful color and fine grain of aged Serratifolia wood make it prized for artistic woodturning, carving, and fine craftwork. [source]

Harvest Tips

Serratifolia is primarily grown for timber and shade rather than harvesting. Mature wood is typically harvested after 15-20+ years when trees reach substantial size. Seed pods can be collected when brown and dry for propagation purposes. For timber, fell tree during dry season and allow proper seasoning before milling.

Fun Facts

  • 🌱 Serratifolia is sometimes called 'Burmese Rosewood' due to its rich color and Myanmar origin, though it is not a true rosewood and belongs to the legume family (Fabaceae)
  • 🌱 The wood can change color over time, developing a deeper, richer hue as it ages and is exposed to light and air
  • 🌱 In its native habitat, Serratifolia can reach heights of 80-100 feet, making it one of the tallest trees in tropical Southeast Asian forests

Gardening Terms

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