Eichhornia azurea
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Eichhornia azurea

Anchored water-hyacinth · Rooted water-hyacinth · Anchored waterhyacinth · Peacock hyacinth

Tier 1 Difficulty: medium Water: low Light: full_sun
Temperature
20–37 °C
Hardiness
Zone 9–11
Click count
7
Observations
21

Description

Source: leafsnap

Pontederia azurea is a water hyacinth from the Americas, sometimes known as anchored water hyacinth. It is the type species of Pontederia subg. Eichhornia, which was previously recognized as part of the polyphyletic genus Eichhornia. It is of some interest as an aquarium plant.

Care Guide

💧 Water
FAQ
How do I water my Anchored water hyacinth properly?

To properly water the Anchored water hyacinth, it is recommended to use filtered water at room temperature. Tap water may contain harmful particles, so filtered water is preferred. The water should be at room temperature or slightly warmer to prevent a shock to the plant's system, as it originates from a warm environment. Avoid overhead watering as it can lead to foliage issues. Instead, gently apply filtered room temperature water directly to the soil until it is completely soaked. This helps to moisten the roots and facilitate their spread through the soil, allowing for the absorption of necessary nutrients.

What do I do if I give too much or too little water to my water hyacinth that is anchored?

Overwatering can be harmful to your Anchored water hyacinth and is a common issue. Excessive water can cause wilting and yellowing of stems and leaves. Prolonged overwatering may also lead to diseases like root rot, mold, and mildew, which can be fatal for your plant. Underwatering, on the other hand, is less likely to occur as this plant has good drought tolerance. However, if it does happen, the leaves of your Anchored water hyacinth may become brittle and brown. It is important to recognize the signs of overwatering early when caring for your Anchored water hyacinth. Some of the diseases caused by overwatering, such as root rot, may not be reversible if not addressed promptly. If you notice early signs of overwatering, reduce your watering schedule immediately. Additionally, check the quality of the soil in which your Anchored water hyacinth is planted. If it is poorly draining, replace it with a loose, well-draining potting mix. In case you observe signs of insufficient water, simply increase your watering frequency until the signs disappear.

How frequently should I water my Anchored water hyacinth plant?

If your Anchored water hyacinth is in a pot, you can check if it needs water by sticking your finger into the soil. If the top two to three inches of soil feel dry, then it's time to water it. If you have the Anchored water hyacinth planted in the ground outdoors, you can use the same method to test the soil. Once the top few inches of soil have dried out, it's time to give it some water. Typically, during the spring and early fall, you'll need to water this plant about once a week using this method. However, during extremely hot weather, you may need to water it twice a week or more. It's important to note that mature and well-established Anchored water hyacinth plants can tolerate drought well.

How much water does my anchored water hyacinth require?

To properly water your Anchored water hyacinth, make sure to give it a generous amount of water. Check the soil and if the top two to three inches are dry, it's time to water. Give the plant a thorough watering, making sure to soak the entire soil. You'll know you've given enough water when you see excess water flowing out of the drainage holes at the bottom of the pot. If you don't see any excess water draining, you haven't given enough water. However, be careful not to let water accumulate in the soil as this can harm the plant. If there is no water draining through the pot, it could be due to poorly draining soil, which is not good for the plant's health. Finally, if the plant is outside, one inch of rain per week should be enough.

How do I water my Anchored water hyacinth when it's growing at different stages?

The water needs of the Anchored water hyacinth can vary at different growth stages. In the first few years or after being transplanted, more water is necessary because the plant is focused on developing new roots for future growth. These roots require slightly more moisture for optimal performance. As the plant matures, it will require less water. Additionally, during the blooming period, when the plant is developing flowers, it may also need additional water due to increased moisture demand for flower development.

☀️ Light Full sun

Anchored water hyacinth has a strong dependence on sunlight and performs best in abundant light. It comes from environments with plentiful sun. Too little light can limit its growth, while excessive light may cause harm. Its sunlight requirements can change during different stages of development.

Ideal: Full sun
FAQ
What kind of sunlight does water hyacinth that is anchored in place need?

Anchored water hyacinth plants require full sun every day, relying on at least six hours of sunlight to maintain healthy leaves, roots, and blooms. While most perennials also need six hours of sunlight daily, certain plants like the Orange Daylily or Giant Coreopsis can survive on just three hours of sun. However, these flowering plants won't flourish as they would under brighter conditions.

Can the sun harm anchored water hyacinth? How can we shield anchored water hyacinth from sun and heat damage?

In warm climates, some Perennial Flowering Plants may struggle with excessive heat and suffer from sun damage. They can wilt, dry out, or even experience growth problems if they are consistently exposed to the intense afternoon sun. However, not all plants require protection from the light afternoon sun. For those that are harmed by intense afternoon exposure, it is recommended to provide them with some shade in warmer climates. Gardeners can achieve this by planting these plants in areas that do not receive direct heat during the afternoon, such as under trees or behind bushes.

Do I need to keep the anchored water hyacinth away from the sun?

Certain perennial plants require ample sunlight to reach their maximum bloom. However, in warmer climates, some of these plants actually benefit from less sun. For instance, individuals residing in hotter regions might find it beneficial to shade their flowering perennials during the intense afternoon sun, especially during summer months. Although many perennial flowering plants prefer partial shade in the hottest climates, there are exceptions. Take the Giant Coreopsis, for example, as it is not bothered by excessive sun exposure. These plants can flourish even when placed in the full sun during scorching weather.

What happens if water hyacinth that is anchored doesn't get enough sunlight?

If you're growing Anchored water hyacinth and your plants aren't getting enough sunlight, you'll notice signs of inadequate requirements. Most plants won't produce as many blooms as they would with full sun exposure. Some plants may develop dry spots on their leaves, but they can still bloom in less sunlight. However, the flowers will be smaller and less full.

Does water hyacinth that is anchored need special care with regards to sunlight as it grows at different stages?

Anchored water hyacinth flowers are a great addition to gardens. To make sure they bloom their best, they need at least six hours of sunlight every day. However, during the hottest parts of the day, it can be helpful to provide some shade to keep the flowers fresh for longer. For young plants, it's important to balance their need for sunlight with protection from intense afternoon heat. As for fully mature plants, they thrive with plenty of sun exposure to support their continued growth.

🌡️ Temperature 20–37.8°C

Anchored water hyacinth comes from tropical areas, where the climate is generally warm and humid. Therefore it is well suited to high heat and moisture. It dislikes abrupt temperature shifts and favors a steady thermal environment, so keeping indoor temperatures consistent is important. It typically cannot tolerate cold and needs relatively warm conditions to grow. If the surrounding temperature falls too low, growth may stop and the plant can die.

Ideal temperature: 20–37.8°C
💨 Humidity
Humidity:
🪴 Soil
🌱 Fertilizer
FAQ
Why should I add fertilizer to my Anchored water hyacinth?

Fertilization is essential for maintaining the overall health and appearance of the Anchored water hyacinth. The leaves of this plant play a vital role, and proper fertilization ensures that they remain vibrant and serve their purpose effectively. By fertilizing correctly, you can achieve consistent leaf color and a healthy texture. Additionally, fertilization aids in root growth, both by generating new roots and maintaining existing ones. This not only benefits the plant's current health but also enhances its ability to absorb nutrients from the soil in the long run.

When should I add fertilizer to my Anchored water hyacinth plant?

If you grow your Anchored water hyacinth outdoors, it will start growing new leaves in early spring. This is when you should start fertilizing it for the year. Usually, a single application of fertilizer is enough when spring comes. However, if you want your Anchored water hyacinth to grow as much as possible, you can fertilize it multiple times in the spring and early summer. If you decide to do this, you can fertilize it about once every month to a month and a half.

When is it not a good idea to add fertilizer to my Anchored water hyacinth?

During the late fall and winter, your Anchored water hyacinth will go into a dormant phase, where it stops growing. During this time, avoid fertilizing it. In the spring and summer, if you decide to fertilize, start reducing the amount as summer approaches because the growth rate of your Anchored water hyacinth will slow down. It's never a good idea to fertilize your Anchored water hyacinth when the weather is very hot or when the soil is extremely dry. Doing so can stress the plant and make it die earlier.

What kind of fertilizer should I use for my Anchored water hyacinth?

Choosing the best fertilizer for an Anchored water hyacinth is actually quite simple. These plants do well with a general-purpose garden fertilizer that contains equal amounts of nitrogen, phosphorus, and potassium. Look for a fertilizer with a ratio of 10-10-10 or similar, as it will be highly effective. It's best to avoid fertilizers with high levels of nitrogen if you're unsure. The majority of suitable fertilizers for an Anchored water hyacinth come in granular form, and they should be slow-release for easy application to the soil. Additionally, using an organic soil amendment like compost can be beneficial when feeding your Anchored water hyacinth.

How should I add fertilizer to my Anchored water hyacinth?

To care for your Anchored water hyacinth, wait until early spring when you first see its leaves poking through the soil. At this point, apply a granular slow-release fertilizer with a balanced formula to the soil surrounding the base of the plant. You can repeat this process later in the season if you prefer. When reapplying fertilizer, make sure to apply it to the soil at the base of the plant, not directly to the plant itself. Sometimes, you will need to move some leaves aside to access the soil above the roots. It's also a good idea to water your Anchored water hyacinth before and after applying fertilizer.

🪴 Pot & Repot
✂️ Pruning

The anchored water hyacinth, an aquatic perennial, needs regular pruning from early to late spring to control its growth and prevent overpopulation. Essential methods for managing this plant include removing decaying stems and thinning overcrowded areas. These actions encourage healthier growth and reduce the risk of the plant becoming invasive, thereby helping to maintain the balance of the ecosystem.

🌿 Propagating
🐛 Diseases & pets
☠️ Toxicity

Characteristics

Plant Type
Herb
Life Cycle
Perennial
Genus
Eichhornia
Family
Pontederiaceae
Hardiness Zone
9-11
Mature Height
30 cm to 61 cm
Mature Spread
49 cm to 91 cm
Leaf Color
Green
Leaf Type
Evergreen, Semi-evergreen
Flower Color
Lavender
Flower Size
4.06 cm to 6.35 cm
Bloom Time
All year round
Planting Time
Summer
Harvest Time
All year round
Native Area
Honduras, Mexico, Guatemala, Peru, Dominican Republic, Trinidad and Tobago, Panama, Jamaica, Uruguay, Colombia, Paraguay, Argentina, Bolivia, Venezuela, Brazil, Guyana, Nicaragua, Ecuador, Suriname, Costa Rica

Tags (6)

Common Names (4)

en Anchored water-hyacinth
en Rooted water-hyacinth
en Anchored waterhyacinth
en Peacock hyacinth