Syzygium smithii
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Syzygium smithii

Lilly-pilly · Monkey-apple · Lilli pilly · Eugenio

Tier 1 Difficulty: easy Water: low Light: full_sun
Water every
7 days
Temperature
10–37 °C
Soil pH
5–6
Hardiness
Zone 6–12
Click count
345
Observations
63

Description

Source: leafsnap

Syzygium smithii, commonly known as Lilly Pilly or Australian Cherry, is an evergreen tree or shrub native to Australia. It belongs to the Myrtaceae family and can grow up to 10 meters tall. This plant features dense, bushy growth with glossy, oval-shaped green leaves measuring 5-10 cm in length. During spring and summer, the Lilly Pilly produces small white flowers, which are followed by edible red or purple berries about 1 cm in diameter. The fruit has a sweet flavor with a slightly tart taste. Widely used as an ornamental tree, Lilly Pilly is appreciated for its attractive foliage, flowers, and fruit. Its dense growth also makes it suitable for hedging purposes. Syzygium smithii thrives in well-drained soils with full sun exposure but can tolerate partial shade. It requires regular watering during dry periods but is capable of withstanding short droughts once established. Overall, Syzygium smithii is an appealing evergreen plant that offers both ornamental beauty and edible fruit.

💡 An Australian children's book author, May Gibbs, drew inspiration from the plant Syzygium smithii for a character in her 1918 book, "The Complete Adventures of Snugglepot and Cuddlepie." This character is named Lilly Pilly and is depicted wearing a skirt made of lilly pilly fruit.

Care Guide

💧 Water Every 7 days

The lilly pilly, native to Australia's humid regions, thrives in consistent humidity and can endure short periods of drought. Water the plant every 2-3 weeks, ensuring a balance between hydration and proper drainage. When grown indoors, maintaining higher humidity levels helps preserve its evergreen nature and supports healthy foliage throughout the year.

Suggested frequency: Every 7 days
FAQ
How should I water my Lilly pilly?

Your Lilly pilly is not particular about the method you choose to water it. You can use any common watering tool, such as watering cans, hoses, or even cups. It is important to water directly onto the soil, making sure to evenly moisten all areas to provide water to the entire root system. Using filtered water is recommended to avoid potentially harmful particles found in tap water. Additionally, using water at or slightly above room temperature is beneficial as extremely cold or hot water may shock the Lilly pilly. However, this plant generally responds well to any type of water you use.

What should I do if I give my Lilly pilly too much water or too little water?

For outdoor plants, especially newly planted ones or seedlings, they can suffer from a lack of watering. It's important to water them regularly for a few months, especially when the tree is small or recently planted. Once the roots are established, Lilly pilly plants can rely on rainfall most of the time. When Lilly pilly is planted in pots, overwatering is a common issue. If you accidentally overwater your Lilly pilly, you should take immediate action to fix the problem. Stop watering the plant right away to minimize the impact of overwatering. Then, remove the Lilly pilly from its pot and check its roots. If there is no root rot, you can return the plant to its container. If you find signs of root rot, trim the affected roots and consider applying a fungicide to prevent further damage. Finally, repot the Lilly pilly in well-draining soil. In the case of underwatering, simply water the Lilly pilly more frequently. Underwatering is easier to fix. If you see drooping, dry, or falling leaves, watering the plant adequately will make the leaves regain their fullness quickly. Make sure to adjust your watering frequency promptly if underwatering occurs.

How often do I need to water my Lilly pilly?

To ensure healthy growth for plants, it's important to consider their watering needs. If you live in an area with adequate rainfall, most outdoor plants can be left to grow naturally. However, in areas with less rainfall, it's advisable to provide sufficient watering every 2 weeks in the spring and fall, and more frequently in the summer. In winter, when growth slows down and plants require less water, it's best to water sparingly or not at all. If you have a young or newly planted Lilly pilly, it's beneficial to water more frequently to help it establish and become more adaptable and drought tolerant. For potted plants, there are two main approaches to determine the watering frequency for your Lilly pilly. The first is to create a regular watering schedule, such as once a week or every other week. However, it's important to note that this may not always be adequate as it doesn't consider the unique growing conditions of your specific plant. Alternatively, you can adjust the watering frequency based on the moisture content of the soil. It's generally recommended to wait until the top two to four inches of soil (about ⅓ to ½ the depth of the pot) have completely dried out before watering again. This method takes into account the plant's water needs during different seasons, particularly during the summer when they typically require more water.

How much water does my Lilly pilly plant need?

When watering your Lilly pilly, it's important to note that it doesn't always require a large amount of water. If only a few inches of soil have dried since the last watering, giving the plant about five to ten ounces of water should be sufficient for healthy growth. You can also determine the water volume based on the moisture level of the soil. If more than half of the soil has dried out, it's advisable to provide more water than usual. In such cases, continue watering until you see excess water draining from the pot's drainage holes. If your Lilly pilly is planted in an area that receives plenty of rain, it may not need additional watering. However, when the plant is young or still establishing itself, it should receive about 1-2 inches of rain per week. As it grows and becomes established, it can rely solely on rainwater. Only when there is no rainfall for extended periods of 2-3 weeks during hot weather should you consider giving your Lilly pilly a thorough watering to prevent stress.

How can I know if I'm giving enough water to my Lilly pilly?

Overwatering is a common problem for the Lilly pilly. You can identify overwatering by looking for yellowing leaves and leaves dropping. Overwatering can also cause the plant to shrivel and promote root rot. On the other hand, an underwatered Lilly pilly will wilt and have brown or brittle leaves. If you see signs of overwatering or underwatering, take action to restore your Lilly pilly's health.

☀️ Light Full sun

The lilly pilly thrives in full sunlight yet is also resilient enough to tolerate a mixture of shade and sunlight, showcasing its versatility. It hails from an environment rich in sunlight, making substantial light exposure crucial for its robust growth. A lack of adequate light might impede its evolution, whereas exposure to excessively harsh sunlight could harm the leaves.

Ideal: Full sun
FAQ
What are the sunlight requirements for Lilly Pilly plants?

Lilly Pilly plants flourish under full day sun exposure but can also thrive in a combination of shade and sunlight, showing its adaptability. Originating from sunny habitats, receiving adequate light is essential for their healthy growth. Too little light may impede their growth, while too much direct sun can damage their foliage. It's important to watch how sunlight moves through your garden, choosing spots that offer a perfect balance of light and shade to ensure the plants' happiness.

How do I use artificial lighting for indoor Lilly Pilly plants?

Indoor Lilly Pilly plants require adequate lighting to grow optimally, especially when natural sunlight is insufficient, like in winter or in less sunny spaces. Artificial lighting, such as LED lights, can be customized to provide specific wavelengths needed by the plants. For full sun plants, 30-50W/sq ft of artificial light is recommended; partial sun plants need 20-30W/sq ft; and full shade plants require 10-20W/sq ft. Position the light source 12-36 inches above the plant, mirroring natural sunlight, and ensure it's on for 8-12 hours per day to mimic natural daylight hours.

What are the symptoms of light deficiency or overexposure in Lilly Pilly?

Lilly Pilly plants may show various symptoms due to light deficiency or overexposure. Insufficient light can lead to smaller new leaves, leggy or sparse growth, faster leaf drop, slower or no new growth, and lighter-colored or pale new leaves due to lack of chlorophyll. On the other hand, too much sunlight can cause chlorosis (leaves turning yellow), sunscald (pale, bleached, or necrotic areas on leaves or stems), leaf curling, wilting, and leaf scorching (brown, dry, crispy edges or patches on leaves). These symptoms indicate the plant's struggle with inappropriate light conditions.

What solutions can help Lilly Pilly plants with inadequate sunlight?

For indoor plants, gradually moving them to a sunnier location each week until they get at least 6 hours of direct sunlight daily is recommended. Use south-facing windows and keep curtains open during the day. If the plant is large or not easily moved, consider using artificial light, like a desk or ceiling lamp on for at least 8 hours daily, or invest in professional plant grow lights. For outdoor plants, it's crucial to move them gradually to sunnier spots to avoid sunburn. Minimizing obstructions like trees by pruning, or transplanting smaller plants during their dormant period to a location with ample sunlight and good drainage, can significantly improve their light exposure. Note that parts of the plant that have been affected by insufficient sunlight may not recover, but new growth will be healthy after adjusting the light exposure.

🌡️ Temperature 10–37.8°C

The Lilly pilly is indigenous to areas that maintain a climate between 50 and 100.4°F (10 to 38℃), as this is the temperature range it thrives in. During winter, when the temperature potentially falls below this, it may require supplementary warmth.

Ideal temperature: 10–37.8°C
FAQ
What is the native climate for Lilly Pilly and how should it be cared for in winter?

Lilly Pilly, botanically known as Syzygium smithii, thrives in climates where temperatures range from 50 to 100.4°F (10 to 38°C). The plant possesses strong cold resistance, making special frost protection measures generally unnecessary. However, in regions where winter temperatures are likely to fall below -25°C, protecting the plant from cold is crucial. This can be done by wrapping the trunk and branches with non-woven fabric or cloth. Additionally, to prevent drought and water scarcity during winter and early spring, it is recommended to water the plant abundantly before the first freeze in autumn, ensuring the soil remains moist and enters a frozen state.

What should you do if Lilly Pilly experiences low temperatures below its tolerance level?

Lilly Pilly shows a remarkable tolerance to cold, ideally growing in temperatures above 10°C and should be maintained above -15°C during winter. In the event that temperatures plunge below -25°C, the plant may not exhibit immediate distress, but come spring, its branches might become brittle and dry, and fail to produce new shoots. The recommended solution for such damage is to prune away any dead branches that have not sprouted new leaves in spring.

How should Lilly Pilly be cared for during high temperatures?

In the summer months, it's important to ensure that Lilly Pilly's environment remains below 38°C. Exposure to temperatures above 43°C can cause the leaves to lighten in color, tips to become dry and withered, and increase susceptibility to sunburn. To mitigate these effects, sunburned and dried-up portions of the plant should be trimmed away. The plant can be moved to a shadier location or protected with a shade cloth to shield it from the midday and afternoon sun. Additionally, watering the plant in the morning and evening will help keep the soil adequately moist.

💨 Humidity normal (40-60%)

This plant will thrive in moderate humidity, which is probably the level in your home. However, misting it a few times a week can be very beneficial. Make sure the room has good ventilation.

Humidity: normal (40-60%)
🪴 Soil 5-6
Soil pH: 5-6
🌱 Fertilizer

The Lilly pilly plant needs adequate nutrients for the best fruit yield. Apply fertilizer in the early spring to promote new growth and flower formation. Consistent fertilization aids the plant in maintaining its health, cultivating tastier fruit, and avoiding issues related to nutrient deficiency such as yellowing leaves and substandard fruit yield.

FAQ
Why should I put fertilizer on my Lilly pilly plant?

No matter what type of Lilly pilly you have, regular fertilization is key to ensuring overall plant health. Providing the proper nutrients promotes stronger growth and helps your Lilly pilly withstand challenging conditions while also improving its ability to fight off diseases and pests. The foliage of your Lilly pilly is particularly attractive, so it's essential to focus on preserving it. To achieve this, establish and maintain a regular fertilization schedule tailored to your Lilly pilly, as it will encourage the development of vibrant, healthy leaves.

When should I fertilize my Lilly pilly plant?

To provide your Lilly pilly with the necessary nutrients for healthy growth, the first fertilization should be done in late winter or early spring. This prepares the plant for the upcoming warm weather. In warm climate regions, an extra fertilizer feeding in early fall is advisable. This helps to fortify the plant, making it more resilient to winter cold and preventing foliage damage. Fertilizing earlier will allow sufficient time for new branches to develop and withstand the cold winter.

When is the right time to not fertilize my Lilly pilly plant?

There are specific times of the year when fertilizing your Lilly pilly should be avoided. One of these times is in the early and mid-winter months when the plant is dormant and does not require any additional nutrients. Another time to avoid fertilizing is during late spring and all of summer when the weather is hotter and drier. These conditions could have a detrimental effect on the plant if it is fertilized. To prevent any negative reactions, it is recommended to follow a fertilization schedule that involves feeding the Lilly pilly only during early spring and early fall.

Which kind of fertilizer should I use for my Lilly pilly plant?

Lilly pilly plants primarily require nitrogen as their most essential nutrient, although phosphorus and potassium are also important. A balanced fertilizer like a 10-10-10 mixture can be effective as it provides all three main nutrients in decent amounts. However, a more refined nutrient ratio often leads to optimal growth. Fertilizers higher in nitrogen, such as a ratio of 10-6-4, tend to be more effective. You have the option to use either granular or liquid-based fertilizers when feeding your Lilly pilly.

How should I fertilize my Lilly pilly plant?

To fertilize your Lilly pilly, you have two options: using granular fertilizer or liquid fertilizer. If you choose granular fertilizer, simply sprinkle it on the soil at the right time. The slow-release feature of granular fertilizer will gradually release nutrients into the soil. It's ideal to lightly water your Lilly pilly before applying the fertilizer. On the other hand, liquid fertilizer is less commonly used. To use this method, mix the fertilizer with water and pour it onto the soil around the base of your Lilly pilly. If you want to be thorough, consider conducting a soil test beforehand to determine if any adjustments to the pH are necessary.

🪴 Pot & Repot Every 12 months
Suggested frequency: Every 12 months
✂️ Pruning

The Lilly Pilly is a dense evergreen shrub known for its glossy leaves and vibrant berries. To keep the plant healthy, prune it between early to late winter, removing any dead branches to improve airflow. Light pruning encourages denser foliage and reduces stress, resulting in a healthier, more attractive plant with better disease resistance.

🌿 Propagating
🐛 Diseases & pets
☠️ Toxicity

Characteristics

Plant Type
Tree
Life Cycle
Perennial
Genus
Syzygium
Family
Myrtaceae
Hardiness Zone
6-12
Mature Height
20.12 m to 29.87 m
Mature Spread
4.88 m to 14.94 m
Leaf Color
Green
Leaf Type
Evergreen
Flower Color
White
Flower Size
2.54 cm to 5.08 cm
Bloom Time
Early spring, Mid fall, Late fall, Winter
Planting Time
Spring, Summer, Autumn
Harvest Time
Mid spring, Late spring, Early summer

Tags (5)

Common Names (4)

en Lilly-pilly
en Monkey-apple
en Lilli pilly
en Eugenio