Hawai'i olive (Nestegis sandwicensis)

Also known as: Aiea, Hawaiian olive

This species is typically found across all major islands, thriving at elevations ranging from 30 to 1,300 meters. It primarily inhabits coastal mesic and mixed mesic forests, and is notably prevalent in dry forest regions. The tree generally grows to about 6 meters in height with a trunk diameter of approximately 20 centimeters. However, in optimal conditions, it can achieve a height of up to 20 meters and a trunk diameter of up to 90 centimeters.

In This Article

Care Tips Water Sunlight Temperature Soil Fertilize Prune Propagation Repotting

Attributes of Hawai'i olive

Lifespan

Perennial

Plant Type

Tree, Shrub

Plant Height

10-20 meters

Spread

5-10 meters

Leaf Color

Dark Green

Flower Size

0.5-1 cm

Flower Color

White to Greenish-White

Images of Hawai'i olive

Quickly Identify Hawai'i olive

Nestegis sandwicensis can be identified by its tough, leathery leaves and its small, olive-like fruits. The tree\'s leaves are a dark green and it produces small, white to greenish-white flowers.

Scientific Classification of Hawai'i olive

Phylum

Vascular plants

Class

Dicotyledons

Order

Lamiales

Family

Olive

Genus

Nestegis

Species

Hawai'i olive

Planting and Growing of Hawai'i olive

Care Difficulty

Moderate

Watering Schedule

Every 2 days

Sunlight Requirements

Partial sun

Sunshine Duration

6-8 hours

Ideal Temperature

60-75℉

Soil Type

Potting Mix, Peat Mix

Soil pH

6.5-7.5

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 Hawai'i olive?

Nestegis sandwicensis, a native Hawaiian plant, appreciates consistent watering, especially favoring thorough soakings that reach its deeper roots. This helps in maintaining its lush green foliage. Water until you see moisture draining from the bottom of the pot to ensure all soil layers are adequately hydrated.

What are the symptoms of an underwatered Hawai'i olive? ›

What should I do if my Hawai'i olive is not getting enough water? ›

What are the symptoms of an overwatered Hawai'i olive? ›

How to save an overwatered Hawai'i olive? ›

What Are the Sunlight Requirements for Hawai'i olive?

Sunlight Requirements: Partial sun

Duration of light: 4-6 hours

Nestegis sandwicensis benefits from partial sun exposure, ideally between 4-6 hours daily. This balance fosters robust growth and promotes resilience against environmental challenges.

What is the ideal light condition? ›

How to achieve the ideal light conditions? ›

What are the benefits of ideal lighting? ›

What Is the Ideal Temperature Range for Hawai'i olive?

Ideal Temperature: 60 ~ 75℉

Nestegis sandwicensis thrives within an ideal temperature range of 60°F to 75°F. At these temperatures, the plant can maintain optimal physiological processes, encouraging healthy growth and development. This range ensures that enzymatic activities and photosynthesis occur efficiently, as extreme temperatures may disrupt cellular functions. Maintaining a stable environment within this range is essential for both the plant's aesthetic and functional health.

What Soil is Best for Hawai'i olive?

Soil type: Loam, Sandy loam

Soil PH: 6.5 ~ 7.5

Nestegis sandwicensis thrives in well-drained soil, which prevents waterlogging and root rot. Ensuring proper drainage promotes healthy root growth and overall plant vitality. This plant benefits from soil that supports rhizobial symbiosis, aiding in nitrogen fixation. Such soil enriches nutrient availability and promotes stronger growth. Incorporating moderate levels of organic matter enhances soil structure and fertility, offering Nestegis sandwicensis essential nutrients for vigorous development.

How to Fertilize Hawai'i olive?

Fertilizer type: Balanced

For Nestegis sandwicensis, it's crucial to use a balanced fertilizer that matches the plant's specific nutrient needs. Typically, a 20-20-20 NPK liquid fertilizer can be applied at a quarter strength dose of about 250 ml per application, ensuring it gets an even distribution in the soil without overwhelming the roots.

How to Prune Hawai'i olive?

Pruning Time: Spring, Summer, Autumn

Start by identifying and removing any dead or diseased branches to improve air circulation and prevent the spread of diseases. Cut back to healthy tissue to encourage healing. Prune to maintain a balanced and aesthetically pleasing canopy shape. Focus on removing crossing branches and those that grow inward, allowing light to reach all parts of the plant. Avoid heavy pruning in peak summer to reduce stress on the plant. If pruning is necessary, do so in the cooler morning or evening periods. Pay attention to new growth, guiding it to the desired shape and removing any shoots that detract from the plant's overall structure or health. More About Pruning Techniques→

How to Propagate Hawai'i olive plant?

Propagate Time: Spring,Early spring,Late spring

Start by collecting seeds from mature Nestegis sandwicensis fruits. Let them dry naturally in a shaded area before storing or planting to ensure viability.

Carefully select semi-hardwood cuttings with healthy foliage. Clip just below a node and remove the lower leaves to prepare them for potting.

Sow seeds in moist, well-draining soil. Maintain a warm temperature and cover lightly with soil, as this species prefers moderate light exposure for germination.

More About Propagating Techniques→

How to Repot Hawai'i olive plant?

Repotting frequency: Every two to three years

Repot Nestegis sandwicensis when you notice the roots beginning to coil around inside the pot, indicating they are running out of room. Additionally, reduced growth or water drainage issues can also signal the time for repotting. Early spring or autumn are ideal, as the plant is less stressed during these mild seasons.

Select a pot that is one size larger than the current container to allow ample space for root growth. Ensure it has good drainage holes to prevent water logging, which can lead to root rot. A wider base helps stabilize the plant as it grows taller, reducing the risk of tipping over.

Use a well-draining, sandy loam mix that mimics its natural habitat. This ensures roots are healthy and prevents excess moisture, which could cause root diseases. The optimal soil should retain some moisture but allow excess to escape easily, promoting robust growth.