Foxglove vs Myrtle Spurge Plant Comparison

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

Foxglove

Foxglove

Digitalis purpurea

VS
Myrtle Spurge

Myrtle Spurge

Euphorbia myrsinites

Foxglove

Foxglove

Digitalis purpurea

Digitalis purpurea, commonly known as foxglove, is a biennial or short-lived perennial plant typically found in woodland areas. It features a tall, erect stem that can reach up to 2 meters in height. The plant is characterized by its distinctive, tubular flowers arranged in a one-sided spike. The flowers are typically purple, but can also be pink, white, or yellow, often with speckled interiors. Foxglove is primarily grown for its striking floral display in gardens and naturalized areas. It is not suitable as an indoor plant.

Plantaginaceae Europe, Northwest Africa, Western and Central Asia
✨ Features: Attracts pollinators, medicinal properties (used to derive digitalis, a heart medication)
📖 Read Complete Foxglove Guide
Myrtle Spurge

Myrtle Spurge

Euphorbia myrsinites

Myrtle Spurge is a succulent, low-growing perennial characterized by its sprawling habit and blue-gray, spirally arranged leaves. It typically reaches a height of 6-12 inches and spreads up to 24 inches wide. It is primarily grown as an ornamental ground cover in rock gardens or dry landscapes. It produces small, inconspicuous yellowish-green flowers in spring, followed by seed capsules. This plant is naturally an outdoor plant and struggles indoors due to its high light requirements and need for well-draining soil.

Euphorbiaceae Mediterranean region (Southern Europe and North Africa)
✨ Features: Drought tolerance, attractive blue-gray foliage.
📖 Read Complete Myrtle Spurge Guide

Quick Plant Comparison

Feature Foxglove Myrtle Spurge
Light Full sun to partial shade Full sun to partial shade. Requires at least 6 hours of direct sunlight daily for optimal growth.
Watering Every 5-7 days, depending on weather and soil drainage Every 2-4 weeks, depending on weather and soil drainage.
Humidity 40-60% 20-40%
Temperature 15-24°C 15-25°C
Care Level Expert Expert
Growth Rate Moderate Moderate
Max Height 1-2 meters 6-12 inches (outdoor)
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining, humus-rich soil Well-draining, sandy or gravelly soil. Avoid heavy clay soils.
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 15 minutes weekly 15 minutes monthly (weeding, pruning)

🔬 Botanical Information — Comparing These Plants

Foxglove

Scientific Name Digitalis purpurea
Family Plantaginaceae
Native To Europe, Northwest Africa, Western and Central Asia
Also Known As Foxglove, Common Foxglove, Purple Foxglove, Fairy Fingers
Leaves The leaves are lance-shaped, hairy, and coarsely toothed. They form a basal rosette in the first year and are arranged alternately along the stem in the second year. The leaves are typically dark green and can be up to 25 cm long.
Flowers Flowers are tubular, typically purple, pink, white, or yellow, and arranged in a one-sided spike. They bloom in the second year of growth. It will not flower indoors.

Myrtle Spurge

Scientific Name Euphorbia myrsinites
Family Euphorbiaceae
Native To Mediterranean region (Southern Europe and North Africa)
Also Known As Myrtle Spurge, Donkey Spurge, Creeping Spurge, Glaucous Spurge
Leaves Succulent, blue-gray, lance-shaped leaves arranged in a spiral pattern around the stems. Leaves are typically 1-2 inches long.
Flowers Produces small, inconspicuous yellowish-green flowers in spring. Rarely flowers indoors.

📏 Size & Growth — Plant Comparison

Foxglove

Height 1-2 meters
Spread 30-60 cm
Growth Rate Moderate
Growth Pattern Upright, erect stem with a basal rosette of leaves in the first year, followed by a tall flower spike in the second year.

Myrtle Spurge

Height 6-12 inches (outdoor)
Spread Up to 24 inches (outdoor)
Growth Rate Moderate
Growth Pattern Sprawling, low-growing perennial that forms a dense mat.

🌱 Propagation — Comparing Plant Growth

Foxglove

Methods: Seed

Difficulty: Easy

Tips: Sow seeds directly in the garden in spring or early fall. Lightly cover the seeds with soil, as they need light to germinate. Keep the soil consistently moist until germination occurs.

Myrtle Spurge

Methods: Seed, Stem cuttings

Difficulty: Moderate

Tips: Take stem cuttings in spring or summer, allow the cut end to callous over for a few days, and then plant in well-draining soil. Wear gloves to avoid skin irritation from the sap.

✨ Benefits & Features — Comparing Plant Value

Foxglove

The tall, one-sided flower spikes are a distinctive feature. The flowers are often speckled inside, guiding pollinators to the nectar. It's a source of the drug digitalis, used to treat heart conditions.

  • ✓ Attracts pollinators like bees and hummingbirds.
  • ✓ Adds vertical interest to garden beds.
  • ✓ Provides a source of seeds for future planting.
  • ✓ Creates a visually appealing display of color.
  • ✓ Can be used in cut flower arrangements (with caution due to toxicity).
  • ⚠️ Toxic to pets

Myrtle Spurge

The spirally arranged, blue-gray leaves give it a distinctive appearance. The milky sap is toxic and can cause skin irritation.

  • ✓ Drought tolerance reduces water usage.
  • ✓ Provides visual interest with its unique foliage.
  • ✓ Low maintenance once established.
  • ✓ Attracts pollinators.
  • ✓ Controls erosion on slopes.
  • ⚠️ Toxic to pets

📅 Maintenance Schedule — Plant Care Comparison

Foxglove

Repotting Not applicable, as this is not an indoor plant.
Pruning Remove spent flower spikes to encourage further blooming or allow them to dry for seed collection.
Fertilizing Balanced slow-release fertilizer in spring
Seasonal Care Spring: Fertilize and ensure adequate moisture. Summer: Monitor for pests and diseases. Fall: Allow seed heads to dry for natural reseeding or collect seeds for propagation. Winter: Protect from extreme cold in colder climates with mulch.

Myrtle Spurge

Repotting Not applicable as it's not suitable for indoor growing.
Pruning Prune after flowering to maintain shape and prevent excessive seed production. Remove any dead or damaged stems.
Fertilizing Apply a balanced, slow-release fertilizer in early spring at half strength.
Seasonal Care In winter, reduce watering and protect from excessive moisture. In spring and summer, water more frequently and fertilize lightly.

🌞 Light Requirements

Foxglove

Full sun to partial shade

Low light tolerant: ❌ No

Myrtle Spurge

Full sun to partial shade. Requires at least 6 hours of direct sunlight daily for optimal growth.

Low light tolerant: ❌ No

💧 Watering Needs

Foxglove

Water thoroughly when the top inch of soil feels dry. Avoid overwatering, which can lead to root rot. Foxgloves prefer consistently moist, but not soggy, soil. During hot weather, more frequent watering may be necessary. Signs of underwatering include wilting leaves and dry soil. Overwatering can cause yellowing leaves and stem rot.

Myrtle Spurge

Water deeply but infrequently, allowing the soil to dry out completely between waterings. Overwatering can lead to root rot. Signs of underwatering include shriveled leaves. Signs of overwatering include yellowing leaves and a mushy stem.

🌡️ Temperature & Humidity

Foxglove

Temperature: 15-24°C

Humidity: 40-60%

Myrtle Spurge

Temperature: 15-25°C

Humidity: 20-40%

🤔 Which Plant Is Right For You?

Foxglove

Foxglove

Digitalis purpurea
Care: Expert Time: 15 minutes weekly Beginner: No

Experienced gardeners seeking a striking vertical accent in their flower beds or woodland gardens.

✅ Choose This Plant If...

  • You want to attract pollinators to your garden.
  • You appreciate tall, dramatic floral displays.
  • You have a woodland garden or shaded area.
  • You are an experienced gardener familiar with managing toxic plants.
  • You want to collect seeds for future propagation.

❌ Skip This Plant If...

  • You have pets or small children who might ingest the plant.
  • You lack experience with gardening.
  • You don't have a suitable outdoor space with adequate sunlight and well-draining soil.
  • You are looking for an easy-to-care-for indoor plant.
📍 Ideal Location: Outdoor garden beds or woodland areas with partial shade.
🎨 Style: Cottage, Woodland, Traditional
🏠 Apartment Friendly: No
⚠️ All parts of the plant, including the leaves, flowers, and seeds, contain cardiac glycosides that are toxic to dogs, cats, horses, and humans. Symptoms include vomiting, diarrhea, abdominal pain, weakness, cardiac arrhythmias, and potentially death. Ingestion requires immediate veterinary attention.
Myrtle Spurge

Myrtle Spurge

Euphorbia myrsinites
Care: Expert Time: 15 minutes monthly (weeding, pruning) Beginner: No

Experienced gardeners looking for a drought-tolerant ground cover in sunny, well-drained locations.

✅ Choose This Plant If...

  • You need a drought-tolerant ground cover for a sunny area.
  • You appreciate the unique blue-gray foliage.
  • You are an experienced gardener familiar with handling toxic plants.
  • You want a low-maintenance plant once established.
  • You have a rock garden or xeriscape landscape.

❌ Skip This Plant If...

  • You have pets or small children who may ingest the plant.
  • You are a beginner gardener.
  • You do not have a sunny outdoor space.
  • You are sensitive to latex or have skin allergies.
📍 Ideal Location: Outdoor rock garden or sunny, well-drained slope.
🎨 Style: Mediterranean, Xeriscape, Rock Garden
🏠 Apartment Friendly: No
⚠️ All parts of the plant are toxic, containing a milky sap that can cause skin irritation and gastrointestinal upset if ingested. According to the ASPCA, Euphorbia species are toxic to dogs, cats, and horses. Symptoms include drooling, vomiting, diarrhea, and 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

🌿

Both plants have similar basic care requirements but differ in appearance and specific needs. Compare plants carefully to find the best fit for your space.

💡 Pro Tips For Comparing These Plants

Foxglove Care Tips

Foxgloves are primarily outdoor plants and are challenging to grow indoors due to their need for specific light and temperature conditions. They require well-draining soil and regular watering. Toxicity is a major concern, especially for pet owners. Indoor cultivation is not recommended.

  • Provide well-draining soil to prevent root rot.
  • Water deeply but infrequently, allowing the soil to dry slightly between waterings.
  • Fertilize in spring with a balanced slow-release fertilizer.
  • Monitor for pests and diseases regularly.
  • Deadhead spent flower spikes to encourage further blooming.
❄️ Winter: In colder climates, protect the base of the plant with mulch to insulate the roots. Reduce watering during dormancy.
☀️ Summer: Provide adequate moisture during hot weather. Monitor for pests and diseases. Provide afternoon shade in hotter climates.

Myrtle Spurge Care Tips

Myrtle Spurge is an outdoor plant that requires full sun and well-draining soil. It is not suitable for indoor growing due to its high light requirements and potential for toxicity. It is drought-tolerant and relatively low-maintenance once established, but requires careful handling due to its toxic sap.

  • Always wear gloves and eye protection when handling Myrtle Spurge.
  • Remove seed heads to prevent unwanted spread.
  • Ensure excellent drainage to prevent root rot.
  • Water deeply but infrequently.
  • Provide full sun for optimal growth and color.
❄️ Winter: Reduce watering significantly during winter. Protect from excessive moisture and frost in colder climates.
☀️ Summer: Water more frequently during hot, dry periods. Provide some afternoon shade in extremely hot climates.

⚠️ Common Problems & Solutions — Plant Care Comparison

Foxglove

Common Issues: Leaf spot, powdery mildew, aphids, root rot
Solutions: Leaf spot: Remove affected leaves and apply a fungicide. Powdery mildew: Improve air circulation and apply a fungicide. Aphids: Spray with insecticidal soap. Root rot: Ensure well-draining soil and avoid overwatering.

Myrtle Spurge

Common Issues: Root rot, Aphids, Skin irritation from sap, Invasive spread
Solutions: Ensure well-draining soil and avoid overwatering. Treat aphids with insecticidal soap. Wear gloves and protective eyewear when handling the plant. Remove seed heads to prevent unwanted spread.

❓ Frequently Asked Questions — Comparing These Plants

Foxglove

What are the light requirements for Foxglove?

Foxgloves thrive in partial shade, particularly in hotter climates. They can tolerate full sun in cooler regions, but their leaves may scorch if exposed to intense sunlight for prolonged periods. Ideally, provide them with morning sun and afternoon shade.

How do I care for Foxglove?

Foxgloves prefer partial shade to full sun, with well-drained soil. Water regularly, especially during dry periods, but avoid overwatering, as this can lead to root rot. Fertilize in spring with a balanced fertilizer to promote healthy growth and abundant blooms. Deadhead spent flowers to encourage further blooming and prevent excessive self-seeding.

How do I propagate Foxglove?

Foxgloves can be propagated by seeds or division. To propagate by seeds, collect mature seed pods and sow the seeds directly into the garden in late summer or early fall. Alternatively, start seeds indoors 6-8 weeks before the last frost.

Myrtle Spurge

What are the light requirements for Myrtle Spurge?

Myrtle Spurge thrives in bright, direct sunlight. Aim for at least 6 hours of sunlight per day. An east- or south-facing window is ideal. If grown outdoors, choose a location that receives full sun. Insufficient light can lead to etiolation, where the plant stretches towards the light source, resulting in weak, leggy growth. Rotate the plant regularly to ensure even light exposure on all sides. In regions with intense summer sun, provide some afternoon shade to prevent scorching. Supplement with grow lights if natural light is limited, particularly during winter months.

How do I care for Myrtle Spurge?

Myrtle Spurge requires well-draining soil, such as a cactus or succulent mix, to prevent root rot. Water thoroughly when the soil is completely dry, typically every 2-4 weeks, depending on environmental conditions. Provide bright, direct sunlight for at least 6 hours a day; however, protect it from intense afternoon sun in hot climates. Fertilize sparingly, only during the growing season (spring and summer), using a balanced, diluted succulent fertilizer. Prune dead or damaged leaves to maintain its appearance. Be extremely cautious of the milky sap, which can cause skin irritation. Wear gloves when handling. Avoid overwatering, especially during winter dormancy.

How do I propagate Myrtle Spurge?

Myrtle Spurge can be propagated through stem cuttings, leaf cuttings, or offsets. For stem cuttings, allow the cut end to callous over for a few days before planting in well-draining soil. Rooting hormone can aid in the process. Leaf cuttings can be placed on top of well-draining soil and misted occasionally. Offsets, or small plantlets that grow around the base of the mother plant, can be carefully separated and potted individually. Wear gloves when handling cuttings to avoid skin irritation from the sap. Provide bright, indirect light and maintain consistent moisture until roots develop. Propagation is best done during the growing season (spring or summer).

Last updated: May 2, 2026 — Plant care data reviewed and verified by our editorial team.