Cranesbill vs Foxtail Fern Plant Comparison

Compare these two plants side by side — care needs, key differences, and which is right for your home.

Cranesbill

Cranesbill

Geranium spp. and Pelargonium spp.

VS
Foxtail Fern

Foxtail Fern

Asparagus densiflorus 'Sprengeri'

Cranesbill

Cranesbill

Geranium spp. and Pelargonium spp.

Cranesbills (Geranium) are herbaceous perennials known for their palmate leaves and saucer-shaped flowers in shades of pink, purple, blue, and white. They form mounds or clumps and are valued for their long bloom time and ease of care in gardens. Pelargoniums, often mistakenly called geraniums, are tender perennials or shrubs with diverse flower shapes and colors, including red, orange, and yellow. They are popular bedding plants and container specimens, prized for their vibrant displays. Neither are naturally indoor plants and struggle to thrive indoors long-term.

Geraniaceae Worldwide, with centers of diversity in South Africa and the Mediterranean region
✨ Features: Long bloom time, attractive foliage, deer resistance (some varieties).
📖 Read Complete Cranesbill Guide
Foxtail Fern

Foxtail Fern

Asparagus densiflorus 'Sprengeri'

The Foxtail Fern, Asparagus densiflorus 'Sprengeri', is not a true fern but a member of the asparagus family. It features arching plumes of needle-like, bright green 'leaves' (actually cladodes) that resemble foxtails, giving it a soft, feathery appearance. It grows from tuberous roots and can spread. Primarily an outdoor plant in warmer climates, it's often grown indoors for its unique texture and visual appeal. People grow it for its ornamental value and relatively easy care, although it can be challenging to maintain indoors long-term.

Asparagaceae South Africa
✨ Features: Unique texture and form, adds visual interest to indoor spaces.
📖 Read Complete Foxtail Fern Guide

Quick Plant Comparison

Feature Cranesbill Foxtail Fern
Light Full sun to partial shade outdoors. Indoors, requires very bright, direct light. Bright indirect light to full sun. Requires at least 4-6 hours of direct sunlight daily for optimal growth.
Watering Outdoors: Every 7-14 days, depending on weather. Indoors: Every 10-14 days, depending on light and temperature. Every 1-2 weeks, depending on light and temperature
Humidity 40-60% 40-60%
Temperature 15-24°C 18-24°C
Care Level Expert Moderate
Growth Rate Moderate To Fast, Depending On The Species. Some Geranium Species Can Be Aggressive Spreaders Via Rhizomes. Moderate
Max Height Indoors: 30-60 cm (1-2 feet). Outdoors: Varies widely by species, from 15 cm to 1 meter. 0.6-1 meter (indoors)
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining soil. A mix of potting soil, perlite, and sand is suitable. Well-draining potting mix, such as a mix of peat moss, perlite, and vermiculite.
Beginner Friendly ❌ No With Caution
Weekly Maintenance 15-30 minutes weekly (deadheading, watering, pest control). 15 minutes weekly

🔬 Botanical Information — Comparing These Plants

Cranesbill

Scientific Name Geranium spp. and Pelargonium spp.
Family Geraniaceae
Native To Worldwide, with centers of diversity in South Africa and the Mediterranean region
Also Known As Cranesbill, Geranium (true geraniums), Pelargonium (often incorrectly called geraniums)
Leaves Geranium leaves are palmate, often lobed or divided, and can be hairy or smooth. Pelargonium leaves are also varied, often rounded or heart-shaped, and may have distinct zones or markings.
Flowers Geraniums produce saucer-shaped flowers in shades of pink, purple, blue, and white. Pelargoniums have diverse flower shapes and colors, including red, orange, yellow, pink, and white. Flowering indoors is rare without supplemental lighting.

Foxtail Fern

Scientific Name Asparagus densiflorus 'Sprengeri'
Family Asparagaceae
Native To South Africa
Also Known As Foxtail Fern, Sprenger's Asparagus Fern, Asparagus Fern
Leaves The 'leaves' are actually cladodes, which are modified stems that resemble needles. They are bright green, soft to the touch, and arranged densely along the stems, creating a feathery appearance. They are typically about 1-2 inches long.
Flowers It rarely flowers indoors. Outdoors, it produces small, inconspicuous white flowers followed by red berries.

📏 Size & Growth — Plant Comparison

Cranesbill

Height Indoors: 30-60 cm (1-2 feet). Outdoors: Varies widely by species, from 15 cm to 1 meter.
Spread Indoors: 30-60 cm (1-2 feet). Outdoors: Varies widely by species, some spreading aggressively via rhizomes.
Growth Rate Moderate To Fast, Depending On The Species. Some Geranium Species Can Be Aggressive Spreaders Via Rhizomes.
Growth Pattern Geraniums typically form mounds or clumps. Some species spread via rhizomes. Pelargoniums can be upright or trailing, depending on the variety.

Foxtail Fern

Height 0.6-1 meter (indoors)
Spread 0.6-1 meter (spreads via rhizomes)
Growth Rate Moderate
Growth Pattern It grows in an upright, arching pattern, forming dense clumps of foliage. It spreads via rhizomes, gradually expanding its footprint over time.

🌱 Propagation — Comparing Plant Growth

Cranesbill

Methods: Stem cuttings, Division, Seed

Difficulty: Easy

Tips: Take stem cuttings in spring or summer. Allow the cut end to callous over for a day or two before planting in well-draining soil. Keep the soil moist but not waterlogged. Divide established clumps in spring or fall.

Foxtail Fern

Methods: Division, Seed

Difficulty: Moderate

Tips: Divide the rhizomes in spring, ensuring each division has healthy roots and shoots. Sow seeds in spring in a well-draining mix and keep moist.

✨ Benefits & Features — Comparing Plant Value

Cranesbill

Cranesbills are known for their long bloom time and attractive foliage. Some species are aggressive spreaders, forming dense groundcovers. Pelargoniums offer a wide range of flower colors and forms.

  • ✓ Attracts pollinators to the garden.
  • ✓ Provides long-lasting color in the landscape.
  • ✓ Deer-resistant (some varieties).
  • ✓ Can be used in cut flower arrangements.
  • ✓ Offers a variety of foliage textures and colors.
  • ⚠️ Toxic to pets

Foxtail Fern

The Foxtail Fern's unique characteristic is its dense, arching plumes of needle-like cladodes that resemble foxtails. Unlike true ferns, it reproduces via seeds and rhizomes, and it's more drought-tolerant once established.

  • ✓ Adds a unique textural element to indoor spaces.
  • ✓ Provides a touch of greenery and life to a room.
  • ✓ Can be a conversation starter due to its unusual appearance.
  • ✓ Relatively easy to care for once its needs are understood.
  • ✓ Offers a sense of accomplishment when grown successfully.
  • ⚠️ Toxic to pets

📅 Maintenance Schedule — Plant Care Comparison

Cranesbill

Repotting Only if rootbound. Repot in spring. If aggressively spreading, consider dividing instead of repotting into a larger container.
Pruning Deadhead spent flowers regularly to encourage more blooms. Prune back leggy growth in spring.
Fertilizing Balanced liquid fertilizer (10-10-10) diluted to half strength, every 4-6 weeks during the growing season (spring and summer).
Seasonal Care Spring: Fertilize and prune. Summer: Water regularly and deadhead spent flowers. Fall: Divide established clumps. Winter: Reduce watering and provide protection from frost if outdoors; provide supplemental light if overwintering indoors.

Foxtail Fern

Repotting Every 1-2 years, or when the plant becomes root-bound. Choose a pot slightly larger than the previous one.
Pruning Prune dead or yellowing fronds to maintain appearance. Trim back to control size and shape.
Fertilizing Balanced liquid fertilizer (20-20-20) diluted to half strength, every 4-6 weeks during the growing season (spring and summer).
Seasonal Care Reduce watering in winter as growth slows. Increase humidity during dry winter months. Provide ample light year-round.

🌞 Light Requirements

Cranesbill

Full sun to partial shade outdoors. Indoors, requires very bright, direct light.

Low light tolerant: ❌ No

Foxtail Fern

Bright indirect light to full sun. Requires at least 4-6 hours of direct sunlight daily for optimal growth.

Low light tolerant: ❌ No

💧 Watering Needs

Cranesbill

Outdoors: Water deeply when the top inch of soil feels dry. Avoid overwatering, which can lead to root rot. Indoors: Allow the top inch of soil to dry out between waterings. Reduce watering in winter. Overwatering symptoms include yellowing leaves and mushy stems; underwatering symptoms include wilting and dry, crispy leaves.

Foxtail Fern

Water thoroughly when the top inch of soil is dry. Allow excess water to drain away. Overwatering can lead to root rot, indicated by yellowing fronds. Underwatering results in browning and shedding of 'needles'.

🌡️ Temperature & Humidity

Cranesbill

Temperature: 15-24°C

Humidity: 40-60%

Foxtail Fern

Temperature: 18-24°C

Humidity: 40-60%

🤔 Which Plant Is Right For You?

Cranesbill

Cranesbill

Geranium spp. and Pelargonium spp.
Care: Expert Time: 15-30 minutes weekly (deadheading, watering, pest control). Beginner: No

Experienced gardeners who can provide the necessary outdoor conditions or a very bright indoor environment with supplemental lighting.

✅ Choose This Plant If...

  • You want a long-blooming plant for your garden.
  • You need a deer-resistant option for your outdoor space.
  • You are an experienced gardener who can provide ample sunlight.
  • You appreciate the variety of colors and forms available in Geranium and Pelargonium species.
  • You want to attract pollinators to your garden.

❌ Skip This Plant If...

  • You have pets that might ingest the plant.
  • You cannot provide at least 6 hours of direct sunlight daily.
  • You are a beginner gardener looking for an easy indoor plant.
📍 Ideal Location: Outdoors: Sunny garden beds or containers. Indoors: South-facing window with supplemental lighting.
🎨 Style: Cottage, Traditional, Bohemian
🏠 Apartment Friendly: Limited
⚠️ Geraniums (Geranium spp. and Pelargonium spp.) contain geraniol and linalool, which are toxic to dogs, cats, and horses. Symptoms include vomiting, diarrhea, anorexia, and dermatitis. All parts of the plant are considered toxic.
Foxtail Fern

Foxtail Fern

Asparagus densiflorus 'Sprengeri'
Care: Moderate Time: 15 minutes weekly Beginner: With-caution

Experienced plant owners who can provide bright light and maintain consistent moisture.

✅ Choose This Plant If...

  • You love the unique texture and form of the plant.
  • You have a bright, sunny location to provide adequate light.
  • You are willing to monitor watering carefully to avoid over or under watering.
  • You enjoy a plant that adds a sculptural element to your decor.
  • You are prepared to repot the plant as it grows and spreads.

❌ Skip This Plant If...

  • You have pets that might ingest the plant.
  • You struggle to provide bright light for your plants.
  • You tend to overwater your plants.
📍 Ideal Location: Bright, sunny room such as a sunroom, south-facing window, or well-lit patio.
🎨 Style: Bohemian, Tropical, Modern
🏠 Apartment Friendly: Limited
⚠️ Toxic to dogs, cats, and horses. The berries contain sapogenins, which can cause vomiting, diarrhea, and abdominal pain if ingested. Contact with the plant can also cause skin irritation.

🎯 Quick Verdict

Best for Beginners Neither ideal
Pet Friendly Neither - caution
Less Maintenance Similar effort
Apartment Friendly Check space

⚡ Key Differences Between These Plants

🎯

Cranesbill is rated Expert care level, while Foxtail Fern is Moderate.

💡 Pro Tips For Comparing These Plants

Cranesbill Care Tips

Cranesbills are primarily outdoor plants that require ample sunlight and well-draining soil. Indoor cultivation is challenging due to their high light requirements. They are prone to pests and diseases if not properly cared for. Regular pruning and deadheading are necessary to maintain their appearance and promote blooming. Overwintering indoors is possible with sufficient light.

  • Provide excellent drainage to prevent root rot.
  • Deadhead spent flowers regularly to encourage more blooms.
  • Monitor for pests and diseases and treat promptly.
  • Fertilize regularly during the growing season.
  • Provide adequate air circulation to prevent powdery mildew.
❄️ Winter: Reduce watering in winter. Provide protection from frost if outdoors. If overwintering indoors, provide supplemental light and maintain cool temperatures.
☀️ Summer: Water regularly during hot, dry weather. Deadhead spent flowers to encourage more blooms. Provide shade during the hottest part of the day in extremely hot climates.

Foxtail Fern Care Tips

Foxtail Ferns require bright light and well-draining soil. They can be challenging indoors due to their need for high light and humidity. Regular watering and fertilization are essential. Watch for pests like spider mites.

  • Provide bright, indirect light to prevent leggy growth.
  • Water thoroughly but allow the soil to dry slightly between waterings.
  • Increase humidity by misting regularly or using a humidifier.
  • Fertilize regularly during the growing season to promote healthy growth.
  • Monitor for pests and treat promptly to prevent infestations.
❄️ Winter: Reduce watering frequency as growth slows. Ensure adequate light, as winter days are shorter. Avoid placing near drafts or heating vents.
☀️ Summer: Water more frequently during the growing season. Provide ample light, but protect from intense afternoon sun to prevent scorching. Fertilize regularly.

⚠️ Common Problems & Solutions — Plant Care Comparison

Cranesbill

Common Issues: Root rot, Powdery mildew, Aphids, Spider mites
Solutions: Root rot: Ensure well-draining soil and avoid overwatering. Powdery mildew: Improve air circulation and treat with a fungicide. Aphids: Spray with insecticidal soap. Spider mites: Increase humidity and treat with miticide.

Foxtail Fern

Common Issues: Yellowing fronds, Browning tips, Spider mites, Root rot
Solutions: Yellowing fronds: Adjust watering and ensure proper drainage. Browning tips: Increase humidity. Spider mites: Treat with insecticidal soap or neem oil. Root rot: Repot in fresh soil and reduce watering.

❓ Frequently Asked Questions — Comparing These Plants

Cranesbill

What are the light requirements for Cranesbill?

Cranesbill thrives in conditions with ample sunlight. Most varieties prefer at least six hours of direct sunlight per day, although some can tolerate partial shade, especially in hotter climates. Insufficient light can lead to leggy growth, reduced flowering, and paler foliage. When grown indoors, place your Cranesbill near a south-facing window to maximize light exposure. If natural light is limited, consider supplementing with grow lights to ensure adequate illumination. Rotate the plant regularly to promote even growth on all sides. Observe the plant’s foliage for signs of light stress, such as yellowing or scorching, and adjust its placement accordingly. Providing the right amount of light is crucial for the overall health and blooming performance of your Cranesbill.

How do I care for Cranesbill?

Cranesbill are relatively easy to care for, making them ideal for both novice and experienced gardeners. Provide them with well-draining soil and a location that receives at least six hours of sunlight daily, although some varieties tolerate partial shade. Water deeply when the top inch of soil feels dry, avoiding overwatering, which can lead to root rot. Fertilize in the spring with a balanced fertilizer to promote healthy growth and abundant blooms. Deadhead spent flowers regularly to encourage continuous blooming throughout the season. Prune back leggy growth to maintain a compact shape. Mulch around the base of the plant to retain moisture and suppress weeds. Monitor for pests such as aphids and spider mites and treat as needed. Divide established plants every few years to rejuvenate them and prevent overcrowding. With proper care, Cranesbill will reward you with beautiful blooms and lush foliage for many years.

How do I propagate Cranesbill?

Cranesbill can be propagated through division, stem cuttings, or seed. For division, carefully dig up an established plant in the spring or fall and divide the root ball into smaller sections, ensuring each section has healthy roots and foliage. Replant the divisions in well-draining soil. For stem cuttings, take 4-6 inch cuttings from healthy stems in the spring or summer. Remove the lower leaves and dip the cut end in rooting hormone. Plant the cuttings in a moist potting mix and keep them humid until they root. Seed propagation is also possible, but can be slow. Sow seeds indoors in late winter and transplant seedlings outdoors after the last frost. Choose the propagation method that best suits your needs and enjoy expanding your Cranesbill collection.

Foxtail Fern

What are the light requirements for Foxtail Fern?

Foxtail Ferns require bright, indirect light to thrive. Direct sunlight can scorch their delicate fronds, causing them to turn yellow or brown. An east-facing window is often ideal, providing gentle morning light. A north-facing window can also work, but may require supplemental lighting if the plant doesn’t receive enough light.

How do I care for Foxtail Fern?

Foxtail Ferns thrive in bright, indirect light. Avoid direct sunlight, which can scorch their delicate fronds. Water thoroughly when the top inch of soil feels dry, ensuring good drainage to prevent root rot. They prefer slightly acidic soil. Maintain high humidity by misting regularly or using a humidifier, especially in dry indoor environments.

How do I propagate Foxtail Fern?

Foxtail Ferns can be propagated by division or spores. Division is the easier and more common method. To propagate by division, carefully remove the plant from its pot and gently separate the root ball into two or more sections, ensuring each section has healthy roots and foliage. Plant each section in its own pot with well-draining potting mix. Water thoroughly and keep in a warm, humid environment.

Last updated: April 21, 2026 — Plant care data reviewed and verified by our editorial team.