Planera aquatica thrives best under partial sun conditions. Sufficient exposure to sunlight ensures robust growth, vibrant foliage, and a healthy overall structure. Optimal sunlight supports the plant's photosynthesis effectively.

Water elm (Planera aquatica)

Also known as: Common planer

The leaves measure about 3 to 7 cm in length and feature a serrated edge. Although commonly referred to by a name suggesting it's an elm, it is not a true elm but a close relative. This species can be affected by Dutch elm disease, which typically targets Ulmaceae family members. It is native to the southeastern United States and thrives in Zone 7.

In This Article

Care Tips Water Sunlight Temperature Soil Fertilize Prune Propagation Repotting

Attributes of Water elm

Lifespan

Perennial

Plant Type

Tree

Plant Height

11 m to 22 m

Spread

10-15 feet (3-4.5 meters)

Leaf Color

Green

Flower Size

Very small, less than 1/4 inch (0.6 cm)

Flower Color

Greenish

Images of Water elm

Quickly Identify Water elm

Distinctive oblong leaves, dark green above and paler beneath, with serrated margins and pronounced veins.

Tiny flowers with curling fuzzy stigmas, lacking prominent petals, blooming in late spring to early summer.

Stalked leathery drupe fruit, about 1/2 inch in size, with fleshy burr-like projections.

Reddish to gray-brown stems, initially hairy and becoming smooth, varying in diameter with a branching pattern.

Distinctive trunk bark with rough texture, grayish-brown color, patchy exfoliations, shedding in irregular patterns.

Scientific Classification of Water elm

Phylum

Vascular plants

Class

Dicotyledons

Order

Rosales

Family

Elm

Genus

Planertree

Species

Water elm

Planting and Growing of Water elm

Care Difficulty

Easy

Watering Schedule

Every 3 days

Sunlight Requirements

Partial sun

Sunshine Duration

6-10 hours

Ideal Temperature

60-75℉

Soil Type

Potting Mix, Peat Mix

Soil pH

6-8

Fertilizer Type

Balanced

Pruning Season

Spring, Summer

Pruning Area

Branches, Leaves

Pruning Frequency

2 times a year

Repotting Season

Spring

Pot Type

Plastic, Ceramic

How to Water Water elm?

For Planera aquatica, the watering should be generous enough to mimic its natural swampy habitat. Each time you water, aim for about 500 milliliters, ensuring the soil stays consistently moist but not waterlogged. This helps maintain the roots' hydration without drowning them.

What are the symptoms of an underwatered Water elm? ›

What should I do if my Water elm is not getting enough water? ›

What are the symptoms of an overwatered Water elm? ›

How to save an overwatered Water elm? ›

What Are the Sunlight Requirements for Water elm?

Sunlight Requirements: Partial sun

Duration of light: 4 to 6 hours

Planera aquatica ideally thrives in partial sun conditions, benefiting from 4 to 6 hours of dappled or filtered sunlight daily. Optimal light exposure promotes vibrant foliage, robust growth, and a strong defense against environmental stresses.

Amount of Sunlight ›

Solutions for Ideal Lighting ›

Benefits of Ideal Light ›

What Is the Ideal Temperature Range for Water elm?

Ideal Temperature: 60 ~ 75℉

Planera aquatica thrives best in temperatures ranging from 60°F to 75°F. This range provides the optimal condition for photosynthesis and nutrient absorption, allowing the plant to grow robustly. Maintaining this temperature helps in preventing stress and promoting healthy foliage.

What Soil is Best for Water elm?

Soil type: Loam, Clay soil

Soil PH: 6 ~ 8

Planera aquatica thrives in soil that holds moisture well, ensuring the roots remain hydrated during dry spells. This helps in optimal growth and prevents wilting. Rich, organic soil is crucial for the health of Planera aquatica, supplying essential nutrients that promote vigorous leaf and branch development. A well-structured soil with good aeration supports healthy root expansion and provides stability for Planera aquatica, allowing it to withstand wind forces.

How to Fertilize Water elm?

Fertilizer type: Balanced

For Planera aquatica, it is crucial to use a balanced fertilizer. When applying liquid fertilizer, aim for a solution that provides approximately 1/4 strength compared to the recommended dose for houseplants. When using slow-release fertilizers, space them evenly at the plant's base, ensuring there's no direct contact with the plant's roots.

How to Prune Water elm?

Pruning Time: Spring, Summer, Autumn

Begin by removing any dead or overlapping branches to allow sufficient air circulation within the canopy. Focus on branches that are rubbing together, as this can lead to damage and disease entry points. Carefully trim back any overly long branches that disrupt the tree's shape or overhang paths and structures. Use the 'three-cut method' to safely remove larger limbs without causing bark tears. Encourage new growth by trimming back the tips of the branches. This not only fosters fuller foliage but also strengthens the internal structure. Ensure cuts are made at a slight angle and just above a bud. More About Pruning Techniques→

How to Propagate Water elm plant?

Propagate Time: Spring,Early summer,Autumn

Begin by collecting healthy seeds or taking cuttings from a parent plant. For seeds, ensure they are mature and for cuttings, take them from non-flowering parts of the plant. This initial step sets the foundation for successful propagation.

Plant the seeds in a seed tray with potting mix, or place cuttings in water or directly into a mix prepared for rooting. Keep the seeds or cuttings in a location with indirect sunlight to reduce stress. Regularly monitor for any signs of germination or rooting.

Once the seeds have germinated or cuttings have developed roots, transfer them to individual pots. Ensure each pot has sufficient space for growth and is placed in a location with the appropriate environmental conditions, such as light and humidity.

More About Propagating Techniques→

How to Repot Water elm plant?

Repotting frequency: Every 2-3 years

Repot Planera aquatica when you observe roots growing out of the drainage holes or when the plant appears cramped in its current pot. The best time to repot is during its active growth phase in spring or summer to minimize stress on the plant.

Select a pot that is one size larger than the current one with ample drainage holes. The ideal pot allows for adequate root expansion and prevents waterlogging, which can lead to root rot and other issues.

Opt for a rich, well-draining loam soil to ensure proper aeration and moisture retention. This type of soil provides essential nutrients and promotes a healthy root system, crucial for the plant's growth and stability.