Monterey Cypress vs Myrtle Spurge Plant Comparison

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

Monterey Cypress

Monterey Cypress

Cupressus macrocarpa

VS
Myrtle Spurge

Myrtle Spurge

Euphorbia myrsinites

Monterey Cypress

Monterey Cypress

Cupressus macrocarpa

The Monterey Cypress is a coniferous evergreen tree native to a very small area on the Central Coast of California. It's characterized by its rugged, wind-swept appearance in its native habitat. It can grow to a substantial size, up to 70 feet tall in the wild, with a broad, spreading crown. The foliage is scale-like and aromatic. While highly prized as an ornamental tree in coastal regions, it is not suited for indoor cultivation due to its high light requirements and eventual large size. People grow it for its distinctive appearance, windbreak capabilities, and screening purposes.

Cupressaceae Central Coast of California, USA
✨ Features: Distinctive wind-swept appearance, aromatic foliage, provides habitat for wildlife.
📖 Read Complete Monterey Cypress 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 Monterey Cypress Myrtle Spurge
Light Full sun (at least 6 hours of direct sunlight per day) Full sun to partial shade. Requires at least 6 hours of direct sunlight daily for optimal growth.
Watering Once every 1-2 weeks, depending on rainfall and soil drainage Every 2-4 weeks, depending on weather and soil drainage.
Humidity 30-50% 20-40%
Temperature 10-24°C 15-25°C
Care Level Expert Expert
Growth Rate Moderate To Fast Moderate
Max Height Not suitable for indoor growing. Outdoors: 15-21 meters (50-70 feet) 6-12 inches (outdoor)
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining soil, sandy loam is ideal. Avoid heavy clay soils. Well-draining, sandy or gravelly soil. Avoid heavy clay soils.
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 30 minutes monthly (pruning, inspection) 15 minutes monthly (weeding, pruning)

🔬 Botanical Information — Comparing These Plants

Monterey Cypress

Scientific Name Cupressus macrocarpa
Family Cupressaceae
Native To Central Coast of California, USA
Also Known As Monterey Cypress, Macrocarpa
Leaves The leaves are scale-like, small, and arranged in opposite pairs along the twigs. They are typically a bright green color and have a distinctive aromatic scent when crushed.
Flowers Monterey Cypress produces small, inconspicuous flowers in the spring. It rarely flowers indoors due to the need for specific outdoor conditions.

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

Monterey Cypress

Height Not suitable for indoor growing. Outdoors: 15-21 meters (50-70 feet)
Spread Outdoors: 8-15 meters (25-50 feet)
Growth Rate Moderate To Fast
Growth Pattern The Monterey Cypress grows upright with a broad, spreading crown. In exposed coastal areas, it often develops a distinctive windswept shape, with branches leaning away from the prevailing wind.

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

Monterey Cypress

Methods: Seed, Cuttings

Difficulty: Moderate

Tips: Take semi-hardwood cuttings in late summer or early fall. Use rooting hormone and provide consistent moisture. Seed propagation requires stratification.

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

Monterey Cypress

The Monterey Cypress is known for its picturesque, windswept appearance, especially in coastal environments. Its aromatic foliage and ability to withstand strong winds make it a unique and valuable tree for coastal landscapes.

  • ✓ Provides windbreak and privacy
  • ✓ Offers habitat for birds and other wildlife
  • ✓ Adds a unique aesthetic to the landscape
  • ✓ Relatively drought-tolerant once established
  • ✓ Can help stabilize soil on slopes
  • ⚠️ 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

Monterey Cypress

Repotting Not applicable as this is not an indoor plant.
Pruning Prune regularly to maintain shape and remove dead or diseased branches. Avoid heavy pruning, which can damage the tree.
Fertilizing Apply a balanced slow-release fertilizer in spring. Avoid over-fertilizing.
Seasonal Care Water more frequently during hot, dry summer months. Protect young trees from frost in winter. Prune in late winter or early spring before new growth begins.

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

Monterey Cypress

Full sun (at least 6 hours of direct sunlight per day)

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

Monterey Cypress

Water deeply when the top few inches of soil are dry, especially during the first few years after planting. Established trees are relatively drought-tolerant. Overwatering can lead to root rot, indicated by yellowing or browning foliage. Underwatering will cause the foliage to become dry and brittle.

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

Monterey Cypress

Temperature: 10-24°C

Humidity: 30-50%

Myrtle Spurge

Temperature: 15-25°C

Humidity: 20-40%

🤔 Which Plant Is Right For You?

Monterey Cypress

Monterey Cypress

Cupressus macrocarpa
Care: Expert Time: 30 minutes monthly (pruning, inspection) Beginner: No

Coastal gardens and large landscapes where it can be used as a windbreak, screen, or specimen tree.

✅ Choose This Plant If...

  • You live in a coastal region with mild temperatures and full sun.
  • You need a windbreak or privacy screen for your property.
  • You appreciate the unique, windswept appearance of the tree.
  • You have ample space for a large tree to grow.
  • You want to attract wildlife to your garden.

❌ Skip This Plant If...

  • You live in an area with harsh winters or extreme heat.
  • You have limited space or live in an apartment.
  • You are looking for an indoor plant.
  • You have pets that may ingest the foliage.
  • You have poorly draining soil.
📍 Ideal Location: Outdoors in a sunny location with well-draining soil.
🎨 Style: Coastal, Mediterranean, Naturalistic
🏠 Apartment Friendly: No
⚠️ The foliage and sap contain compounds that can be mildly toxic to dogs, cats, and horses if ingested, causing gastrointestinal upset. Symptoms include vomiting, diarrhea, and drooling. Contact dermatitis is also possible from handling the sap.
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

📈

Monterey Cypress has moderate to fast growth, while Myrtle Spurge grows moderate.

💡 Pro Tips For Comparing These Plants

Monterey Cypress Care Tips

Monterey Cypress is an outdoor tree that requires full sun, well-draining soil, and ample space to grow. It is not suitable for indoor cultivation. Maintaining proper soil drainage is crucial to prevent root rot. Regular pruning is needed to maintain shape and remove dead or diseased branches.

  • Plant in well-draining soil to prevent root rot.
  • Water deeply but infrequently, allowing the soil to dry out between waterings.
  • Prune regularly to maintain shape and remove dead or diseased branches.
  • Protect young trees from frost in winter.
  • Monitor for pests and diseases and treat promptly.
❄️ Winter: Protect young trees from frost with burlap or tree wrap. Reduce watering during the dormant season. Avoid fertilizing in winter.
☀️ Summer: Water deeply during hot, dry periods. Mulch around the base of the tree to conserve moisture and suppress weeds. Monitor for pests and diseases.

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

Monterey Cypress

Common Issues: Root rot, Cypress canker, Spider mites, Bagworms
Solutions: Root rot: Improve soil drainage and avoid overwatering. Cypress canker: Prune affected branches and apply a fungicide. Spider mites: Spray with insecticidal soap. Bagworms: Handpick or use Bacillus thuringiensis (Bt).

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

Monterey Cypress

What are the light requirements for Monterey Cypress?

Monterey Cypress requires bright, indirect light to thrive indoors. Insufficient light can lead to leggy growth and yellowing needles. Place your tree near a south- or west-facing window, but shield it from direct sunlight during the hottest part of the day to prevent scorching. If natural light is limited, consider supplementing with a grow light. Rotate the plant regularly to ensure even growth on all sides. Signs of insufficient light include slow growth, pale green needles, and excessive stretching towards the light source. Adjust placement or supplement with artificial light as needed. A minimum of 6 hours of bright, indirect light is recommended for optimal growth.

How do I care for Monterey Cypress?

To keep your indoor Monterey Cypress thriving, provide bright, indirect light, ideally near a sunny window. Water thoroughly when the top inch of soil feels dry, ensuring good drainage to prevent root rot. A well-draining potting mix is essential. Maintain moderate humidity levels, especially during dry winter months, by misting regularly or using a humidifier. Fertilize sparingly during the growing season (spring and summer) with a balanced liquid fertilizer diluted to half strength. Prune regularly to maintain the desired shape and size, removing any dead or yellowing foliage. Repot every 2-3 years, or when the plant becomes root-bound, using a slightly larger pot. Monitor for pests like spider mites and treat promptly if detected. Consistent care and stable conditions are key for its health. Avoid drastic temperature changes or drafts.

How do I propagate Monterey Cypress?

Monterey Cypress can be propagated through stem cuttings or air layering. For stem cuttings, take a 4-6 inch cutting from new growth in spring or summer. Remove the lower needles and dip the cut end in rooting hormone. Plant the cutting in a well-draining potting mix and keep it moist. Cover with a plastic bag to maintain humidity. Rooting typically takes several weeks. For air layering, make a small incision on a branch and wrap it with moist sphagnum moss. Cover the moss with plastic wrap and secure it with tape. Keep the moss moist. Once roots have formed, cut the branch below the roots and plant it in a pot. Propagation from seed is also possible but can be challenging.

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 8, 2026 — Plant care data reviewed and verified by our editorial team.