Barleria cristata
🍃leaf (5)
🌸flower (5)
🍎fruit (4)
🌳bark (5)
🌿habit (5)

Barleria cristata

Philippine-violet · Bluebell · Bluebell barleria · Crested Philippine-Violet · Blue Togor

Tier 1 Difficulty: medium Water: low Light: full_sun
Water every
7 days
Temperature
20–37 °C
Soil pH
5–7
Hardiness
Zone 9–11
Click count
188
Observations
607

Description

Source: leafsnap

Barleria cristata, the Philippine violet, bluebell barleria or crested Philippine violet, is a plant species in the family Acanthaceae.

Care Guide

💧 Water Every week

The crested Philippine violet, native to tropical areas, thrives in consistently moist and humid environments. To care for this plant, water it once a week, but be careful not to overwater. As an evergreen species, it requires regular soil moisture to maintain its foliage throughout the year. This is particularly important indoors, where humidity levels may fluctuate.

Suggested frequency: Every week
FAQ
How should I water my Crested Philippine violet?

To properly water the Crested Philippine violet, it's best to use filtered water at room temperature. Tap water may contain harmful particles, so using filtered water is preferable. It's important to use water that is at room temperature or slightly warmer since this plant is used to a warm environment, and cold water can be a shock to its system. Additionally, it's recommended to avoid overhead watering as it can lead to issues with the foliage. Instead, simply pour the filtered room temperature water onto the soil until it is completely soaked. This helps to moisturize the roots and aid in their spread through the soil, allowing them to gather the necessary nutrients.

What should I do if I give my Crested Philippine violet too much or too little water?

Proper care of your Crested philippine violet requires avoiding both overwatering and underwatering. Overwatering is a more common issue and can cause the plant's stems and leaves to wilt and turn yellow. It can also lead to diseases like root rot, mold, and mildew that can be fatal to the plant. While underwatering is less common due to the plant's drought tolerance, it can still happen, resulting in brittle and brown leaves. Early detection of overwatering is crucial as some diseases like root rot may not be fixable if left unattended for too long. If you notice signs of overwatering, reduce your watering schedule and check the soil's drainage. If the soil doesn't drain well, replace it with a loose, well-draining potting mix. If underwatering is the issue, simply increase watering until the signs improve.

How often do I need to water my Crested philippine violet?

If your Crested philippine violet is in a pot, the most precise way to determine if it needs water is to stick your finger into the soil. If the top two to three inches of soil are dry, it's time to water it. If you're growing the plant outdoors in the ground, you can use the same method to test the soil. When the top few inches of soil have dried out, it's time to water. Usually, during spring and early fall, watering once a week is sufficient. However, during extremely hot weather, you may need to increase the frequency to twice or more per week. It's worth mentioning that mature, well-established Crested philippine violets can handle drought quite well.

How much water does my Crested philippine violet require?

To properly water your Crested Philippine Violet, don't hold back on the amount of water you give it. Make sure the top two to three inches of soil are dry before watering, and then give it a thorough watering until the soil is completely soaked. You want to add enough water so that excess water drains out of the bottom of the pot. If you don't see any excess water draining, you may have not given enough water. However, be careful not to let water accumulate in the soil as it can harm the plant. On the other hand, if water doesn't drain through the pot, it could mean that the soil doesn't drain well, which is not good for the plant's health. If the plant is outside, it should receive about 1 inch of rain per week, which is enough.

How should I water my Crested philippine violet as it goes through different growth stages?

The water needs of the Crested Philippine Violet can vary depending on its growth stages. In the first few years or after being transplanted, this plant requires more water due to its focus on developing new roots for future growth. These new roots function best with a slightly higher moisture level. However, as the Crested Philippine Violet matures, it will require less water. Additionally, during the bloom period, the plant may need increased watering due to the significant amount of moisture utilized during flower development.

☀️ Light Full sun

The crested philippine violet generally thrives in settings with plenty of sunlight but can also endure moderate light. Its native habitat has similar light conditions. Too little light can impede its growth, while excessive sunlight may scorch its leaves.

Ideal: Full sun
FAQ
What are the sunlight requirements for the Crested Philippine Violet?

The Crested Philippine Violet thrives in full sun conditions, requiring more than 6 hours of direct sunlight daily. However, it can also adapt to partial sun, with about 3-6 hours of sunlight. It is important to observe your garden's light conditions throughout the day to find spots that offer the right balance of light and shade, ensuring the plant's growth and health. Inadequate sunlight may hinder its growth, whereas too much sunlight could potentially damage its leaves.

Can artificial lighting be used for the Crested Philippine Violet, and how?

Yes, artificial lighting can be a viable solution for the Crested Philippine Violet, particularly when natural sunlight is insufficient, such as during winter or in less sunny indoor spaces. Indoor plants benefit from adequate artificial lighting, which promotes faster and healthier growth. LED lights are recommended because they can be customized to provide specific wavelengths needed by plants. The intensity and duration of artificial lighting should mimic natural sunlight conditions as closely as possible, with full sun plants needing 30-50W/sq ft, partial sun plants 20-30W/sq ft, and full shade plants 10-20W/sq ft. The light source should be placed 12-36 inches above the plant for 8-12 hours per day.

What are the symptoms of insufficient or excessive sunlight exposure in Crested Philippine Violets?

Symptoms of insufficient sunlight in Crested Philippine Violets include smaller new leaves, leggy or sparse growth, faster leaf drop, slower or no new growth, and lighter-colored or irregularly patterned new leaves. Excessive sunlight can cause chlorosis (leaves turning yellow), sunscald, leaf curling, wilting, and leaf scorching. These symptoms either indicate a lack of essential nutrients and chlorophyll (in insufficient light) or damage from overexposure to intense sunlight.

What solutions can be applied to address sunlight-related issues in Crested Philippine Violets?

To address sunlight-related issues, gradually acclimate your Crested Philippine Violet to receive at least 6 hours of direct sunlight daily, if conditions allow. Use a south-facing window for indoor plants and consider artificial lighting for additional support, ensuring the plant receives ample light. Outdoors, gradually move plants to sunnier spots, avoiding sudden changes to prevent sunburn. Remove any obstructions blocking sunlight or consider transplanting smaller plants to sunnier locations, ensuring they have good drainage. Note that parts of the plant damaged by insufficient light may not recover, but new growth will be healthy with improved light exposure.

🌡️ Temperature 20–37.8°C

The crested Philippine violet is naturally adapted to warm conditions, preferring temperatures of 68 to 100 °F (20 to 38 ℃). It does very well within that temperature span. Seasonal adjustments depend on the local climate.

Ideal temperature: 20–37.8°C
FAQ
What is the ideal climate for Crested Philippine Violet?

Crested Philippine Violet thrives in a warm climate, with an ideal temperature range between 68 to 100 °F (20 to 38 °C). This plant loves heat and can be affected negatively by cold temperatures. Hence, during the colder months, it's recommended to bring outdoor plants indoors and place them near a bright window, ensuring they are not too close to heaters. Keeping the temperature above 20°C during winter fosters better growth, while temperatures nearing 0°C can harm the plant.

How does low temperature affect Crested Philippine Violet and what are the solutions?

Crested Philippine Violet prefers warm temperatures and is not tolerant of cold conditions. It thrives best when the temperature is maintained above 20°C and should always be kept above 0°C during winter. Exposure to temperatures below -5°C may cause the leaves to lighten in color, and following frost damage, the leaves may turn brown or black, showing signs of wilting and drooping. To mitigate frost damage, trim the frost-damaged parts and immediately move the plant to a warmer indoor environment for protection. Place the plant near a south-facing window for ample sunlight, and avoid locations near heaters or air conditioning vents to prevent air dryness.

How should Crested Philippine Violet be cared for in high temperatures?

In high temperatures, specifically during summer, it's important to keep the Crested Philippine Violet below 38°C. When temperatures soar above 43°C, the plant's leaves may lighten in color and become susceptible to sunburn. To care for your plant in such conditions, trim away sunburned and dried parts. Relocate the plant to a shaded area, especially during the midday and afternoon sun. Ensure the soil remains moist by watering the plant in the morning and evening.

💨 Humidity
Humidity:
🪴 Soil 5-7
Soil pH: 5-7
🌱 Fertilizer

Adequate fertilization is vital for Crested philippine violet's health and appearance. Fertilize Crested philippine violet in summer, repeating the application monthly throughout summer. Nutrients supply energy for growth and help maintain the plant's components. Fertilization improves Crested philippine violet's flower display, ensuring the best blooms.

FAQ
Why do I have to add fertilizer to my Crested philippine violet plant?

Fertilizer and soil nutrients are vital for the healthy growth of your Crested philippine violet. Plants use these nutrients to develop new plant material and maintain their existing components. Specifically for the Crested philippine violet, fertilization is necessary to enhance the appearance of its flowers. As the flowers are the main attraction of this plant, gardeners should prioritize fertilization to ensure the best blooms. Fertilization is a reliable method to help your Crested philippine violet produce beautiful flowers.

When should I fertilize my Crested philippine violet?

The Crested Philippine violet goes through two main phases each year. The first phase is the dormant phase, which occurs during the winter and involves minimal new growth. The second phase is the active growth phase, which happens in spring and fall, and is when fertilization is most needed. It is recommended to start fertilizing the Crested Philippine violet in spring, repeating the feeding once a month for the rest of the spring and most of the summer. As fall approaches, the fertilization rate can be reduced.

When is the best time to not put fertilizer on my Crested Philippine Violet?

If you want to promote the growth of Crested Philippine Violets without damaging the roots, it's important to provide them with extra nutrients during the active growth period in spring and summer. However, during the fall and winter when the plant enters its dormancy stage, fertilizing should be stopped.

What kind of plant food should I use for my Crested philippine violet?

To provide the best care for your Crested Philippine Violet, it's important to choose a fertilizer that contains a balanced mix of the three main plant nutrients, with slightly higher levels of phosphorus. Another option is to enhance the soil with organic materials like compost, worm castings, and manure. There are various forms of fertilizers available, and most of them will work well for your plant. However, for the best results, it's recommended to use either a liquid or powdered fertilizer. Regardless of the form you choose, make sure to dilute it and apply while watering your Crested Philippine Violet.

How should I fertilize my Crested Philippine violet?

First, find a suitable fertilizer and learn the ideal fertilization schedule for your Crested philippine violet. Once you have that information, it's time to learn how to apply the fertilizer. The most reliable method is to mix your liquid fertilizer with water before applying it to the soil. Each fertilizer may have different instructions, so it's best to follow the manufacturer's guidance. This should include details on how to properly dilute the fertilizer to avoid overfertilization. Mixing the fertilizer with water is an easy process, and then you simply pour the mixture into the soil where your Crested philippine violet is planted.

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

The Crested Philippine Violet boasts vibrant blooms and grows quickly. To keep it healthy, start pruning from late winter to early spring by removing any dead or diseased stems. Light trimming encourages the plant to become bushier, while heavy pruning should be avoided to minimize stress. Regular pruning not only improves air circulation and deters pests but also supports robust growth. Always use sanitized tools for the best results.

🌿 Propagating
🐛 Diseases & pets
☠️ Toxicity

Characteristics

Plant Type
Herb, Shrub
Life Cycle
Perennial
Genus
Barleria
Family
Acanthaceae
Hardiness Zone
9-11
Mature Height
0.91 m to 1.22 m
Mature Spread
0.91 m to 1.22 m
Leaf Color
Green
Leaf Type
Evergreen
Flower Color
Lavender, Purple
Flower Size
2.54 cm to 5.08 cm
Bloom Time
Mid summer, Late summer, Fall
Planting Time
Spring
Harvest Time
Fall, Early winter, Mid winter
Native Area
Nepal, Sri Lanka, India, Indonesia, Cambodia, Vietnam, Myanmar, Philippines, Bhutan, Bangladesh, Pakistan, Laos, Thailand, China

Tags (5)

Common Names (9)

en Philippine-violet
en Bluebell
en Bluebell barleria
en Crested Philippine-Violet
en Blue Togor
en Purple angel
en নীল টগর
en Popli
en Shooting star