The Pink Mimosa Tree (Mimosa pudica), also known as the Sensitive Plant, is a small, deciduous tree known for its stunning pink, fluffy flowers and unique ability to make its leaves fold in response to touch or other stimuli. Here’s a guide on how to care for your Pink Mimosa Tree:

1. Light Requirements

Full Sun to Partial Shade: Pink Mimosa trees thrive in full sun, but they can tolerate partial shade, especially in hotter climates. For the best growth and flowering, plant them in a spot that gets at least 6 hours of direct sunlight daily.

2. Soil

Well-Draining Soil: Pink Mimosas prefer well-draining soil. They are adaptable to different soil types, including sandy, loamy, and even poor soil, but they do not like heavy, waterlogged soil.
Slightly Acidic to Neutral pH: The soil should be slightly acidic to neutral (pH between 6.0 and 7.5) for optimal growth.

3. Watering

Moderate Watering: Water your Pink Mimosa deeply when the top 1-2 inches of soil feel dry. During the hot summer months, you may need to water more frequently, but ensure the soil doesn’t stay soggy.
Well-Draining Potting Mix (for container-grown): If you’re growing the tree in a pot, use a well-draining mix and avoid letting the plant sit in standing water.

4. Temperature and Humidity

Warm Climates: The Pink Mimosa is a tropical tree that prefers warm climates and grows best in USDA zones 6-9. It does not tolerate frost well and should be brought indoors or covered if you’re growing it in a cooler region during the winter.
Mild to Hot Temperatures: It thrives in temperatures ranging from 60°F to 90°F (15°C to 32°C).
Humidity: While it’s tolerant of moderate humidity, the Pink Mimosa prefers dry conditions and should not be overwatered or kept in excessively humid environments.

5. Fertilizing

Moderate Feeding: During the growing season (spring to late summer), you can feed your Pink Mimosa tree with a balanced, slow-release fertilizer to promote healthy growth. Avoid over-fertilizing, as too much nitrogen can lead to excessive leaf growth with fewer flowers.
Fertilizing in Fall/Winter: Reduce or stop fertilizing in fall and winter when the tree is not actively growing.

6. Pruning

Light Pruning for Shape: Prune the tree to maintain its shape and remove any dead or damaged branches. This will also help to encourage bushier growth.
After Flowering: The best time to prune your Pink Mimosa is after it finishes flowering, usually in late summer or early fall.

7. Pests and Problems

Pests: While Pink Mimosa trees are relatively pest-resistant, they can occasionally be affected by aphids, mealybugs, or spider mites. These pests can be controlled with insecticidal soap or by spraying the tree with water.
Diseases: They are susceptible to fungal diseases like root rot if overwatered, or rust and powdery mildew in high humidity or poor air circulation. Ensure proper drainage to prevent these issues.

8. Companion Plants

Great for Tropical Gardens: The Pink Mimosa pairs well with other tropical plants, such as hibiscus, bougainvillea, or other flowering trees.
Attracts Pollinators: It’s a great plant for attracting bees, butterflies, and hummingbirds, making it perfect for a pollinator-friendly garden.

9. Winter Care

Cold Sensitivity: The Pink Mimosa tree is not frost-hardy, and frost can damage its leaves and branches. If you’re in a cooler climate, consider bringing the tree indoors for the winter in a pot, or provide protection, such as covering it with a frost blanket.
Mulch for Root Protection: If planted outdoors in colder climates, apply a layer of mulch around the base of the tree to protect the roots during winter.

10. Propagation

From Seed: Pink Mimosa trees are typically propagated by seeds. Plant the seeds in a well-draining potting mix, keep them warm, and they should germinate in a few weeks.
From Cuttings: You can also propagate via softwood cuttings taken in spring or early summer. Root the cuttings in a moist potting medium.

The Pink Mimosa Tree is an eye-catching, fast-growing tree that brings a tropical feel to gardens, especially with its beautiful pink flowers and unique leaf movements. With proper care, this tree can thrive and become a wonderful addition to your outdoor space!