Whale fin snake plant

Discover watering, soil, fertilizing, pests, styling, and troubleshooting tips for Whale fin snake plant
from our experience growing and caring for it in our Brooklyn home!

Whale fin snake plant. Three of them arranged next to each ther in green pot

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Whale fin snake plant care guide


lineage and Symbolism

Whale fin snake plant. Three of them arranged in red pot
Whale fin snake plant

The Whale Fin Snake Plant (aka Sansevieria masoniana), a member of the Asparagaceae family, has unique, paddle-shaped leaves that resemble whale fins slicing through the ocean. Each leaf has deep green tones accented by irregular pale patterns that feel almost painted! These beauties can grow up to 3 feet tall, so they’re perfect for making a bold yet elegant statement in corners. A quirky tidbit: these plants are known to produce the rare and unexpected—tiny, fragrant flowers on long spikes!

The Whale Fin Snake Plant (Sansevieria masoniana) symbolizes resilience and protection, aligning well with Sagittarius individuals, who are known for their adaptability and appreciation of low-maintenance plants!

Whale fin snake plant in white pot

($43)

Whale fin snake plant in pink pot

($40)

“It’s healthy and beautiful. I didn’t realize how big this one was and can’t fit on a desk but it’s a beautiful addition to our bedroom. It’s size was a pleasant and funny surprise.” – Amazon


Light and placement

Image by Bloomscape
  • Whale Fin snake plant is best placed in spots that has medium light or bright indirect sun, but it can also tolerate low light. Avoid direct sun!

What is the light requirement for Whale fin snake plant?

The Whale Fin Snake Plant (Sansevieria masoniana) thrives in bright, indirect light but is remarkably adaptable – it also tolerates medium to low light conditions. For optimal growth, we recommend placing it near an east or west-facing window, where it can receive gentle morning or evening sunlight. While it can survive in lower light areas, be aware that extremely dim spots may slow its growth, and the leaves might become less rigid over time.

How to know if Whale fin snake plant is not getting right amount of light?

If it’s getting too much direct light you might notice the leaves turning yellow or developing brown, scorched patches. This is a sign of sunburn! If the plant isn’t receiving enough light – which quite honestly is a rarity for this plant – its growth may slow, and the leaves could become elongated or lean towards the light source, seeking more illumination. In low-light conditions, the vibrant patterns on the leaves might fade.

Where to place Whale fin snake plant and where to avoid?

We recommend placing your Whale Fin Snake Plant (Sansevieria masoniana) near an east or north-facing window. This positioning ensures it receives gentle morning or evening sunlight, which is ideal for its health. Avoid placing the plant in direct midday sun, especially during summer. Be cautious of cold drafts from windows or doors, since sudden temperature changes can stress the plant.


Soil

What soil composition to use for Whale fin snake plant?

A suitable composition is 2 parts loamy potting soil combined with 1 part perlite or pumice to enhance aeration and drainage. Maintaining a slightly acidic to neutral pH, around 6.0 to 7.0, is ideal for this plant. If you tend to water frequently, consider increasing the proportion of perlite or pumice to 1.5 parts to further improve drainage. Avoid using topsoil, as it may retain too much moisture.

Best soil to use for Whale fin snake plant?

This is a great soil mix with use for all alocasia, and suitable for most other indoor plants as well! You can also add more perlite!


Temperature and Humidity

What is the best temperature condition for Whale fin snake plant?

The Whale Fin Snake Plant (Sansevieria masoniana) thrives in temperatures between 65°F and 75°F (18°C to 24°C). It can tolerate temperatures as low as 50°F (10°C) but should be protected from drafts and sudden temperature changes. In colder regions or during winter, ensure the plant is kept away from cold drafts and maintain indoor temperatures above 50°F (10°C) to prevent cold damage.

In warmer climates or summer months, avoid placing the plant near heat sources or in direct, intense sunlight to prevent overheating. Signs of excessive heat usually are wilting or scorched leaves.

What is the best humidity condition for Whale fin snake plant?

The Whale Fin Snake Plant (Sansevieria masoniana) thrives in average indoor humidity levels, typically between 30% and 50%. In drier regions or during winter months, consider placing a humidity tray or using a room humidifier to maintain adequate moisture levels – though in our experience we have never had to do this. In warmer, more humid climates, ensure good air circulation to prevent excessive humidity, which can lead to fungal issues. Signs of low humidity are browning leaf tips and edges, and overly high humidity may result in soft, mushy leaves or mold growth.

Our favorite humidifiers

Best budget: LEVOIT

($34)

Best luxury: DREO

($67)


fertilizer

What is the best fertilizer composition to use for Whale fin snake plant?

We recommend using a balanced, low-nitrogen fertilizer with an N-P-K ratio of 1-2-2: this composition provides essential nutrients without promoting excessive foliage growth, aligning with the plant’s natural growth patterns.

For a simple DIY recipe: Combine 1 tablespoon of crushed eggshells (for calcium), 1 tablespoon of banana peel powder (for potassium), and 1 teaspoon of diluted fish emulsion (for nitrogen). Mix this into 1 gallon of water and use it as a monthly liquid feed during the growing season

How and when to fertilize Whale fin snake plant?

To nourish your Whale Fin Snake Plant (Sansevieria masoniana), apply a balanced, diluted cactus or succulent fertilizer once a month during the growing season, typically from spring through summer. Dilute the fertilizer to half the recommended strength to prevent overfeeding. Pour the solution directly onto the soil, avoiding contact with the leaves, until it begins to drain from the pot’s bottom.

What are the signs Whale fin snake plant needs food?

if you observe slow or stunted growth, pale or yellowing leaves, or reduced leaf size especially during summer and spring months, it means the plant needs some food.

Best fertilizer to use for Whale fin snake plant?


Pots and planters

What are the best pots to use for Whale fin snake plant?

For your Whale Fin Snake Plant (Sansevieria masoniana), select a pot that is 1–2 inches wider than the root ball to allow for growth. Terracotta pots are ideal due to their porous nature, which promotes soil aeration and prevents waterlogging. Opt for a pot with a broad base to support the plant’s tall, paddle-shaped leaves and prevent tipping. Given the plant’s potential height of up to 3–4 feet, a heavier pot adds stability.

Our favorite pots for Whale fin snake plant


Watering

How and When to water Whale fin snake plant?

Your Whale Fin Snake Plant (Sansevieria masoniana) prefers infrequent watering and is susceptible to overwatering. During the growing season (spring and summer), water the plant thoroughly when the top 2–3 inches of soil are completely dry, typically every 2–3 weeks.

In the dormant period (fall and winter), reduce watering to once a month. When watering, pour water directly onto the soil until it drains from the bottom, and make the pot has drainage holes. Avoid letting the plant sit in standing water at any cost as it leads to root rot

what are the Signs of over or under watering Whale fin snake plant?

Overwatering often leads to soft, mushy leaves and root rot, indicated by a foul odor from the soil. Underwatering may cause the leaves to curl or tilt to the side. A sign to confirm this: after watering, they typically return to their original position within a couple of hours.

Our favorite watering cans

Best budget

($14)

Long lasting

($25)


pruning

A close-up of a person pruning a whale fin snake plant. The plant has broad, paddle-shaped leaves, and the person is using gardening shears at base
Pruning at the node of whale fin snake plant

When to prune Whale fin snake plant and why?

The optimal time to prune is during the plant’s active growing season, typically in spring or early summer. Signs Indicating Pruning is Needed: Yellowing or Browning Leaves ,Damaged or Broken Leaves, or Overgrown Size – If the plant becomes too large for its space.

how to prune Whale fin snake plant (step by step)?

Gather Tools and Prepare
Use sharp, sterilized pruning shears to prevent infection.

Inspect the Plant

  • Identify leaves that are yellowing, browning, damaged, or excessively large.

Sterilize Your Tools

  • Wipe the blades with disinfectant to prevent disease transmission.

Remove Unhealthy Leaves

  • Cut the affected leaf at its base, close to the soil line, ensuring a clean cut to facilitate healing. This is shown in the image above.

Trim for Size Control (If Necessary)

  • Selectively remove the tallest leaves to maintain desired height, but avoid removing more than 30% of the plant at once to prevent stress

how to care after pruning Whale fin snake plant?

Precautions
Avoid Over-Pruning: Removing too many leaves can hinder the plant’s ability to photosynthesize.
Use Clean Tools: Always sterilize tools before and after pruning to prevent disease spread.
Monitor for Pests: After pruning, keep an eye out for any signs of pest infestation.


Post-Pruning Care
Watering: Allow the soil to dry out before watering to prevent root rot.
Light: Place the plant in bright, indirect light to support recovery.
Avoid Fertilizing Immediately: Wait a few weeks before fertilizing to let the plant adjust.


propagating

Whale fin snake plant in water for propagating
Whale fin snake plant’s snipped leaf in water for propagating.
Whale fin snake plant in soil after bearing roots
Whale fin snake plant potted in soil in soil.

When to Propagate Whale fin snake plant?

When: Early spring to late summer during active growth.
Conditions: Warm temperatures (70–85°F / 21–29°C) and bright and indirect light. Ensure the humidity is moderate to low to avoid rot

how to Propagate Whale fin snake plant (step by step)?

Method: Propagation by Leaf Cuttings
Choose a Healthy Leaf:
Select a mature, firm leaf and cut it into 4–6 inch sections.
Mark Orientation:
Mark the bottom of each cutting to avoid planting it upside-down.
Prepare the Cutting:
Allow the cut ends to callus over for 24–48 hours to prevent rot.
Plant or Root the Cutting:
Insert the lower end of the cutting into moist, well-draining soil (or place it in water). Bury about an inch deep. You could also put this in a water jar as shown in image one, but planting in soil has yielded better results for us as shown in image 2 above.
Provide Stability:
Place the pot in bright, indirect light and keep the soil slightly damp.

how to care after propagating Whale fin snake plant?

Watering: Water lightly, allowing the soil to dry completely between waterings. Overwatering is the main risk.
Lighting: Keep the plant in bright, indirect light, avoiding harsh direct sunlight that may scorch the leaves.
Fertilizing: After 2–3 months, use a diluted succulent fertilizer monthly during the growing season.
Monitoring: Check for pests like mealybugs and signs of rot.
Repotting: Once the roots are well-established, repot into a larger container.


Troubleshooting common issues

Whale fin snake plant yellowing
Whale fin snake plant yellowing
Whale fin snake plant leaves curling in red pot
Whale fin snake plant leaves curling
Whale fin snake plant leaves coming out smaller than the one before
Whale fin snake plant new leaves coming out small and narrow
Whale fin snake plant leaves wrinkled and curled inward in a red pot
Whale fin snake plant leaves wrinkled and curled inward

1. Why are Whale fin snake plant leaves turning yellow?

Cause: Overwatering is the most common cause, leading to root rot. Prolonged exposure to direct sunlight can also cause sunburn.

Solution: First, adjust watering to let the soil dry out between waterings. Stop watering for three weeks to start with. If this doesn’t work, move the plant away from bright sunlight.

2. Why do Whale fin snake plant leaves have brown tips?

Cause: Low humidity, inconsistent watering can cause the brown tips.

Solution: Water consistently – about once in three weeks – and keep the plant away from cold drafts or sudden temperature changes. This plant also liked to be kept in the bathroom for some much needed humidity, or use humidity trays.

3. Why are my Whale Fin Snake Plant’s leaves curling?

Cause: Underwatering or very low humidity can make the leaves curl as the plant tries to conserve water.

Solution: Increase watering frequency, ensuring the soil dries slightly between waterings. Raise humidity levels with a tray or humidifier or by keeping in the bathroom.

4. Why does my Whale Fin Snake Plant have spots on its leaves?

Cause: Fungal infections caused by overwatering or excessive humidity can lead to leaf spots.

Solution: Remove affected leaves by the pruning method explained above, and improve air circulation – we generally keep the plant outside for a few days whenever this happens, after washing the leaves with neem oil to remove the infection. Water less frequently and avoid wetting the leaves while watering.

5. Why isn’t my Whale Fin Snake Plant producing new growth?

Cause: Lack of nutrients or inadequate light can slow growth.

Solution: Feed the plant monthly during spring and summer with a diluted, balanced fertilizer. Ensure it’s receiving sufficient bright, indirect light. When this happens, it is almost always the need for more light.

6. Why are my Whale Fin Snake Plant’s leaves drooping sideways?

Cause: The large, paddle-like leaves of the Whale Fin Snake Plant are especially prone to drooping if overwatered, or when the roots can no longer anchor the plant properly.

Solution: Check the soil—if it feels soggy, let it dry completely before the next watering. If this doesn’t work, repot the plant into a heavier, well-draining pot with fresh soil for stability. Don’t worry, just delicately separate the roots from the soil while repotting.

7. Why is my Whale Fin Snake Plant’s soil smelling bad?

Cause: A foul smell often indicates root rot due to waterlogged soil or poor drainage.

Solution: Repot the plant into fresh, well-draining soil. Reduce watering frequency and ensure the pot has proper drainage holes.


curated styling tips for Whale fin snake plant

A stylish standing desk situated near a window with natural light streaming in. The desk features a bamboo or cork planter holding a whale fin snake p
Illustrative purposes only

1.Desk Companion with Contrast: Situate the plant on a standing desk near natural light.Its singular leaf adds sculptural interest without overwhelming the space. Pair it with a DIY macrame pot holder for a modern boho touch, allowing the base of the pot to rest securely while also keeping the desk area uncluttered.


2.Living Room Statement in a Basket: Set the plant in a woven seagrass or recycled fabric basket for a cozy touch. Position it next to a soft, neutral sofa to balance its dramatic leaf shape. For added texture, surround the base with smooth river stones collected during your travels or pebbles for extra moisture.

A cozy living room scene featuring a whale fin snake plant placed in a woven seagrass or recycled fabric basket with a waterproof liner. The basket is
illustrative purposes only

A minimalist kitchen setup featuring a Whale Fin Snake Plant placed in a wide, recycled glass container.
Illustrative purposes only

3.Kitchen Couter top: Place the Whale Fin Snake Plant in a wide, glass container with a minimalist soil-and-sand mix visible through the sides. Add a top layer of natural black pebbles for visual contrast. Position it near a kitchen window where it can receive indirect light, making it a conversation piece while staying low-maintenance.


FAQ

Is Whale fin snake plant toxic to pets?

Yes, it contains saponins, which can cause gastrointestinal upset if ingested by cats or dogs.

Does Whale fin snake plant like to be placed outside in summer?

Yes, during warm months, placing it outdoors in a shaded area can promote growth. However, avoid direct sunlight to prevent leaf burn. Gradually acclimate the plant to outdoor conditions to reduce stress.

What are advantages and disadvantages of Whale fin snake plant?

Advantages include its striking appearance, low maintenance, and air-purifying qualities. Disadvantages are its slow growth rate and potential toxicity to pets.

Can the Whale Fin Snake Plant help purify the air?

Yes, like other snake plants, it removes toxins such as formaldehyde and benzene, improving indoor air quality. Its slow growth means it works best as a supplementary air-purifier.

Why does the Whale Fin Snake Plant grow so slowly compared to other snake plants?

This plant is designed to thrive in harsh environments, so it conserves energy and grows slowly, focusing on root strength and survival. Its large, single leaves take time to mature, making it a patience-friendly plant.

Why does my Whale Fin Snake Plant sometimes produce only one large leaf?

This is natural for the plant’s growth habit, as it focuses on producing one substantial, paddle-shaped leaf at a time.Once the roots establish, new shoots or “pups” will eventually appear.

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