In this comprehensive guide, we'll explore the enchanting world of the Philodendron Silver Sword (Philodendron hastatum); the houseplant that adorns its habitat with a radiant, silvery sheen and uniquely shaped arrow-like foliage.

Its exotic and aesthetic appeal is only half the story; the Philodendron Silver Sword is also a fascinating tale of resilience and adaptability, thriving in the face of extinction in its natural rainforest habitat in Southeast Brazil.

Ready to learn more? Let's deep dive!

Philodendron Silver Sword, an Endangered Marvel

The Philodendron hastatum, or Silver Sword, is an endangered species within the expansive Philodendron genus. Its unique appeal lies in the glossy silver sheen of its leaves, which mature into a spear-like shape, making it a charming addition to your indoor garden. It finds itself on the IUCN Red List due to the significant loss of its natural rainforest habitat caused by extensive clear-cutting.

What distinguishes the Philodendron Silver Sword is its inherent climbing nature and rapid growth, bolstered by its sturdy and robust stems. Given proper structural support, this plant eagerly ascends, producing larger and increasingly exquisite leaves, adding to its undeniable charm.

How to Grow Philodendron Silver Sword

The Silver Sword's life cycle is a fascinating journey. It starts its life as a terrestrial plant, shedding its hemiepiphytic nature over time, then ultimately morphs into an awe-inspiring aerial plant. If you're keen to embark on the journey of nurturing a Philodendron Silver Sword, you can either purchase a mature plant online or propagate it from a cutting. The latter is an engaging and satisfying process.

Here's What You'll Need:

• A mature Philodendron Hastatum plant
• A pair of sterile clippers.
• A suitable growing medium

Propagating by Cutting:

To propagate the Philodendron Silver Sword by cutting, follow the steps below:

Step 1: Locate a node

Nodes on the Philodendron Silver Sword plant are noticeable swellings on the stem. You may find brown spots on the stem, which are potential sites for the growth of aerial roots or new leaves. It's crucial to identify a suitable node for propagation. Generally, a top node is preferable to a lower one, as the latter may not have matured sufficiently to allow the cutting to take root successfully.

Step 2: Take a stem cutting

With sterile clippers, cut approximately two and a half centimetres beneath the identified node. Then, dab the ends with a clean paper towel to absorb any sap seeping from the plant.

Step 3: Put the Cutting into water or moist soil

Pop the cutting into the water in a transparent glass jar or into a pot of moist soil. Remember to remove any excess leaves on the cutting. This will help encourage the cutting to grow roots rather than maintaining the leaves.

If you're propagating through water rooting, we recommend you use normal tap water and replace it once a week. This will ensure there is enough oxygen in the water to boost root growth. Also, ensure the spot where you place the cutting is warm and receives a lot of bright indirect sunlight.

Step 4: Give it time to grow roots

The initial stage of root development requires a bit of patience. Typically, you will begin to notice roots growing after about two months. These may be approximately five centimetres long but do not be surprised if some of the roots outgrow this length significantly.

Step 5: Transfer into the soil

When the roots are long enough, you can transfer the cuttings into the soil. You need to be a little bit creative with the soil for the best results. We recommend a mixture of 60% potting mix and 40% perlite. This should give you well-draining soil that can maintain moisture. Alternatively, you can opt to use sphagnum moss instead of perlite in the soil mixture.

Place the cuttings in a pot and fill them with the soil mixture. Backfill the pot and tap down the soil to properly secure the cuttings and do away with any air pockets.

Step 6: Water the planted cutting

Hydration is crucial for your Philodendron Silver Sword. Employ regular tap water to keep the soil adequately moist. But ensure the soil is moist and not saturated or soggy. We also recommend relocating the newly potted plant to a spot where it can receive ample indirect sunlight, avoiding direct rays that could potentially scorch the leaves. Maintain this moist soil condition for around two weeks. Following this period, you can gradually transition to a standard Philodendron Hastatum care routine.

Step 7: Propagation progress

After approximately a month, you should be able to gauge whether the cutting is rooting properly in the soil mix. This can be done by gently tugging at the plant. If it's securely anchored in the soil, you'll know your propagation efforts have been successful.

Propagating through LECA:

Propagating your Philodendron Silver Sword using LECA (Lightweight Expanded Clay Aggregate) can be an excellent method for encouraging robust root development while providing easy monitoring.

Here's a step-by-step guide:

1. Prepare a mason jar or similar container by adding a 2-inch layer of LECA at the bottom. LECA is a lightweight medium consisting of expanded clay balls that offer good aeration and drainage.
2. Nestle the stem cutting into the LECA layer, ensuring it is secure and stable. Add more LECA balls around the cutting to provide support and stability.
3. Fill the jar with water, making sure the water level reaches the bottom 2-inch layer of LECA but does not submerge the cutting itself. The LECA balls will absorb moisture from the reservoir, supplying it to the cutting while allowing the roots access to airflow.
4. Monitor the water levels in the jar and ensure the reservoir remains filled. Regularly check for root development and adjust water levels as needed to maintain proper moisture.
5. As the cutting develops strong roots, you can choose to either continue growing it in the LECA or transition it to soil. When transitioning to soil, gently remove the cutting from the LECA, being careful not to damage the roots, and plant it in a well-draining potting mix. Water the soil and continue to provide proper care for the plant.

Caring for Your Philodendron Silver Sword

Tending to the Philodendron Silver Sword, despite its exotic appearance, is surprisingly uncomplicated. Armed with the right guidance, you'll be well on your way to cultivating a healthy and visually stunning specimen. Here are some invaluable insights to ensure your Philodendron Hastatum flourishes:

#1. Soil Requirements: Nutrient-Dense and Well-Draining

The soil mixes you use to grow your Philodendron Hastatum will determine how well the plant receives nutrients and water. Like many Philodendron varieties, the Silver Sword grows best in a well-draining soil mix. Preferably, the soil mix should be loose and moist but never soggy.

The Hastatum is a climbing plant. So, make sure the soil mix has higher organic matter. You can create soil that has a high organic matter by mixing potting mix with either perlite, coconut peat, or sphagnum moss. The soil mix will not only have a higher organic matter but also a balanced acidic level that’s beneficial for the growth of the plant.

#2. Space and Support: Essential for Optimal Growth

The Philodendron Silver Sword is a quite hardy and aggressive growing plant. Once it matures, it can grow incredibly fast to heights of up to 3 metres (15 ft.). Thus, it needs ample space to grow vertically and horizontally without obstacles. You will not be doing it any favours if you squash it into a corner, as its large silver-green leaves will not have enough room to grow. Not to mention that the new leaves may suffer damage from being pressed against the wall.

The plant will also appreciate a structure (such as a moss pole or a DIY pole) that can support the weight of its growth. This is a climbing plant that usually holds onto trees and other vegetation as it grows in its natural habitat.

#3. Light Requirements: Bright but Indirect

Philodendron hastatum thrives in very bright indirect light. Ideally, near a window (like a north-facing or east-facing window) that doesn’t allow sunlight to fall. We don’t recommend placing the plant near a south-facing or west-facing window because they tend to receive direct sunlight from sunrise to sunset. These windows get really hot in the afternoon. The hot sunlight can burn the leaves of your plant. This depends on your location, anyway.

#4. Watering Regimen: Balance is Key

Given its tropical roots, the Philodendron Silver Sword prefers moist soil. During the spring and summer, water the plant when the soil is approximately 25% dry. In winter, when growth slows, water it when it is about 50% dry. Regardless of the season, ensure you thoroughly soak the soil until every particle is saturated. However, it's essential (can't emphasize that enough) to let excess water drain from the pot to avoid waterlogging.

#5. Repotting Schedule: Monitor for Signs of Growth

As far as repotting is concerned, we recommend doing that every two years. Similarly, repot the plant when you see the roots coming out of the drainage system at the bottom of the pot. You may see the pot swelling on the sides if the roots are starting to outgrow the pot. When you do repot, just go up one to two pot sizes. If the original pot is a six-inch, you can move up to a seven-inch or may an eight-inch pot at most.

#6. Fertilising: Seasonal and Balanced

We recommend using a granular fertiliser or well-balanced liquid soluble fertiliser throughout the growing season. It’s also advisable to stop fertilising the plant when you stop seeing new growth (usually in winter during dormancy). You risk burning the leaves when you fertilise the Silver Sword when it is not actively growing.

#7. Pruning: Not Essential but Beneficial

It may not be necessary to prune this plant if you provide it with sufficient space to grow both vertically and horizontally. But you can prune it to help it appear bushier and compact or to manage its size. Pruning may also be necessary for removing discoloured or sick leaves.

Potting and Repotting Philodendron Silver Sword

Proper potting and repotting of your Philodendron Silver Sword promote healthy growth and overall well-being of the plant.

Here's how to go about it:

1. Potting Philodendron Silver Sword:

   • Choose a pot with drainage holes that is slightly larger than the current root ball of your Philodendron Silver Sword.
   • Place a layer of well-draining potting mix at the bottom of the pot.
   • Gently remove the plant from its current pot, being careful not to damage the roots.
   • Place the plant in the new pot, ensuring it is centered and at the appropriate height.
   • Fill in the remaining space around the roots with fresh potting mix, gently pressing it down to secure the plant.
   • Water the plant thoroughly to settle the soil and help the roots establish.

2. Repotting Philodendron Silver Sword:

   • Repotting is typically necessary when the roots have outgrown the current pot or when the plant shows signs of being root-bound.
   • Choose a new pot that is one size larger than the current one to allow for root growth.
   • Follow the potting steps mentioned above, ensuring proper drainage and using fresh potting mix.
   • Before repotting, gently loosen the roots and remove any excess soil to encourage healthy growth.
   • Trim any damaged or overly long roots, if necessary.
   • After repotting, water the plant thoroughly to provide hydration and support root recovery.

Common Problems of Philodendron Silver Sword

Philodendron Silver Sword, like any plant, can encounter various issues that can affect its health and growth.

Overwatering

One common problem is related to watering. Overwatering can lead to root rot, so it's important to ensure proper drainage and allow the topsoil to dry slightly between watering. On the other hand, underwatering can cause wilting and dryness of the leaves, so maintaining consistent moisture levels is crucial.

Low Humidity

Philodendron Silver Sword prefers high humidity levels, and low humidity can result in brown leaf tips or edges. To combat this, increase humidity by misting the leaves or using a humidifier. Inadequate lighting is a similar issue and can lead to leggy growth and pale leaves. We recommend keeping the plant in a location with bright indirect light or filtered sunlight to promote healthy growth.

Air Circulation and Pest Diseases

Proper air circulation is important to prevent fungal diseases and pest infestations. Poor air circulation can create stagnant conditions that are conducive to such problems. You can do this through natural ventilation or by using a fan. Similarly, being aware of common pests like spider mites, mealybugs, and scale insects is essential. Regularly inspect the plant for signs of infestation and take appropriate measures for pest control.

Philodendron Silver Sword Use Cases

Here’s how best to incorporate the plant in your home or office:

1. Indoor Décor: Philodendron Silver Sword makes an excellent addition to indoor spaces, adding a touch of greenery and elegance. Its attractive silver-gray foliage with prominent veins can complement a wide range of interior styles and provide a refreshing atmosphere.
2. Hanging Baskets: The trailing growth habit of the Philodendron Silver Sword makes it an excellent indoor hanging plant. Its cascading vines with arrowhead-shaped leaves create a beautiful display, especially when placed in areas with bright indirect light or filtered sunlight.
3. Vertical Gardens: Due to its climbing nature, Philodendron Silver Sword can be trained to grow vertically on a support structure or trellis. This makes it a great choice for vertical gardens, where it can add lush greenery and create a visually appealing living wall.
4. Office Spaces: Philodendron Silver Sword is known for its ability to purify the air by removing toxins. This makes it an ideal plant for offices or workspaces, where it can help improve indoor air quality and create a more pleasant and healthy environment.
5. Terrariums: The compact size and attractive foliage of the Philodendron Silver Sword make it a popular choice for terrariums. Its low-growing habit and tolerance for high humidity make it suitable for creating miniature indoor gardens in glass containers.
6. Mixed Planters: Philodendron Silver Sword can be combined with other houseplants in mixed planters to create a stunning display. Its unique foliage adds texture and visual interest when paired with plants of varying shapes, sizes, and colours.

Toxicity of Philodendron Silver Sword

The Philodendron Silver Sword is toxic to both humans and pets. Here’s everything to know on the level of toxicity alongside necessary precautions to prevent any harm to humans or pets.

For Humans:

Philodendron Silver Sword contains calcium oxalate crystals, which can cause irritation and discomfort if ingested or if the sap comes into contact with the skin or mucous membranes. Symptoms may include mouth and throat irritation, swelling, and difficulty swallowing. It is important to handle the plant with care, wear gloves if necessary, and wash hands thoroughly after any contact.

For Pets:

Philodendron Silver Sword is considered toxic to cats, dogs, and other pets. Ingestion of any part of the plant, including the leaves and stems, can lead to gastrointestinal upset, drooling, vomiting, and difficulty swallowing. It is advisable to keep pets away from the plant and seek veterinary attention if any symptoms of poisoning occur. Prompt action is necessary to ensure the safety and well-being of the animal.

Frequently Asked Questions (FAQs)

Here are some frequently asked questions on growing and nurturing the Philodendron Silver Sword.

Become a Philodendron Hastatum Guardian

Growing a Philodendron Silver Sword in your indoor garden brings not only beauty and simplicity but also contributes to the preservation of this endangered species. And as the demand for these plants increases, so does the need for responsible cultivation.

By nurturing a Philodendron Silver Sword, you become a part of the conservation effort, ensuring that this stunning plant thrives for generations to come. Together, we can protect and appreciate the rare and remarkable Philodendron Silver Sword plant.