Delphinium vs Lemon Cypress Plant Comparison

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

Delphinium

Delphinium

Delphinium spp.

VS
Lemon Cypress

Lemon Cypress

Cupressus macrocarpa 'Goldcrest Wilma'

Delphinium

Delphinium

Delphinium spp.

Delphiniums are perennial herbaceous plants known for their tall, striking flower spikes. They typically grow outdoors and are prized for their vibrant blue, purple, pink, and white flowers. The plant has deeply lobed leaves and a robust stem that supports the flower spike. They are not suited for indoor growing due to their high light requirements and size. People grow them in gardens for their aesthetic appeal and to attract pollinators.

Ranunculaceae Northern Hemisphere, including Europe, Asia, and North America
✨ Features: Attracts pollinators (bees and butterflies)
📖 Read Complete Delphinium Guide
Lemon Cypress

Lemon Cypress

Cupressus macrocarpa 'Goldcrest Wilma'

Lemon Cypress 'Goldcrest Wilma' is a dwarf conifer prized for its vibrant golden-yellow foliage and distinct lemon scent when the needles are crushed. It has an upright, columnar growth habit, making it a popular choice for topiary, containers, and small gardens. While it can be grown indoors, it's primarily an outdoor plant and requires specific conditions to thrive inside. People grow it for its ornamental value, fragrance, and festive appearance, especially during the holidays.

Cupressaceae Cultivar of Monterey Cypress (Cupressus macrocarpa), native to the Monterey Peninsula in California
✨ Features: Lemon-scented foliage, attractive golden color, can be shaped into topiary
📖 Read Complete Lemon Cypress Guide

Quick Plant Comparison

Feature Delphinium Lemon Cypress
Light Full sun (at least 6 hours of direct sunlight per day) Full sun to partial shade outdoors; requires very bright, direct light indoors (at least 6 hours of direct sunlight daily)
Watering 2-3 times per week, depending on weather and soil drainage Every 7-10 days outdoors, possibly more frequently indoors depending on light and humidity
Humidity 40-60% 30-50%
Temperature 15-24°C 10-21°C
Care Level Expert Expert
Growth Rate Moderate Moderate
Max Height Not typically grown indoors; outdoors: 0.6-1.8 meters Indoors: 0.6-1.2 meters (2-4 feet); Outdoors: up to 4.5 meters (15 feet)
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining, fertile soil rich in organic matter Well-draining, slightly acidic potting mix (e.g., a mix of peat moss, perlite, and sand)
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 30 minutes weekly (weeding, watering, deadheading) 15 minutes weekly

🔬 Botanical Information — Comparing These Plants

Delphinium

Scientific Name Delphinium spp.
Family Ranunculaceae
Native To Northern Hemisphere, including Europe, Asia, and North America
Also Known As Larkspur, Delphinium
Leaves The leaves are deeply lobed and palmate, with a coarse texture. They are typically medium to dark green in color and arranged alternately along the stem.
Flowers Delphiniums rarely, if ever, flower indoors. Outdoors, they produce tall, dense spikes of flowers in shades of blue, purple, pink, and white. The flowers have a distinctive spurred shape.

Lemon Cypress

Scientific Name Cupressus macrocarpa 'Goldcrest Wilma'
Family Cupressaceae
Native To Cultivar of Monterey Cypress (Cupressus macrocarpa), native to the Monterey Peninsula in California
Also Known As Lemon Cypress, Goldcrest Wilma, Monterey Cypress 'Goldcrest'
Leaves Scale-like needles that are bright golden-yellow in color. The foliage is dense and aromatic, releasing a strong lemon scent when crushed.
Flowers Rarely flowers indoors. Outdoors, it produces small, inconspicuous cones.

📏 Size & Growth — Plant Comparison

Delphinium

Height Not typically grown indoors; outdoors: 0.6-1.8 meters
Spread Outdoors: 0.3-0.6 meters
Growth Rate Moderate
Growth Pattern Upright, with tall, sturdy stems that support the flower spikes. The plant forms a basal rosette of leaves from which the flowering stems emerge.

Lemon Cypress

Height Indoors: 0.6-1.2 meters (2-4 feet); Outdoors: up to 4.5 meters (15 feet)
Spread Indoors: 0.3-0.6 meters (1-2 feet); Outdoors: 1.2-1.8 meters (4-6 feet)
Growth Rate Moderate
Growth Pattern Upright, columnar growth habit. It naturally forms a dense, conical shape, but can be pruned and shaped to create different forms.

🌱 Propagation — Comparing Plant Growth

Delphinium

Methods: Seed, Division, Stem cuttings

Difficulty: Moderate

Tips: Sow seeds in early spring or fall. Divide established plants in spring or fall. Take stem cuttings in late spring.

Lemon Cypress

Methods: Stem cuttings

Difficulty: Moderate

Tips: Take semi-hardwood cuttings in late summer. Dip in rooting hormone and plant in well-draining soil. Maintain high humidity and warmth.

✨ Benefits & Features — Comparing Plant Value

Delphinium

Delphiniums are known for their towering flower spikes, which can reach impressive heights. The intense blue color of some varieties is particularly striking and relatively rare in the plant world.

  • ✓ Attracts pollinators to the garden
  • ✓ Adds vibrant color and height to flower beds
  • ✓ Provides cut flowers for arrangements
  • ✓ Enhances the aesthetic appeal of outdoor spaces
  • ✓ Can be used in traditional medicine (with caution and expert knowledge)
  • ⚠️ Toxic to pets

Lemon Cypress

Its most distinctive feature is the strong lemon scent emitted when the foliage is touched or crushed. The bright golden-yellow color of the needles also sets it apart from other conifers.

  • ✓ Aromatic foliage provides a pleasant lemon scent.
  • ✓ Adds a touch of elegance and sophistication to any space.
  • ✓ Can be shaped into various forms, adding a unique design element.
  • ✓ Provides a festive atmosphere during the holidays.
  • ✓ Relatively drought-tolerant once established outdoors.
  • ⚠️ Toxic to pets

📅 Maintenance Schedule — Plant Care Comparison

Delphinium

Repotting Not applicable for indoor growing; for outdoor plants, division may be needed every 3-4 years.
Pruning Deadhead spent flowers to encourage further blooming. Cut back foliage in the fall.
Fertilizing Balanced fertilizer (10-10-10) applied in spring and early summer at half strength
Seasonal Care Spring: Fertilize and provide support for tall flower spikes. Summer: Water regularly and deadhead spent flowers. Fall: Cut back foliage after flowering. Winter: Provide mulch for protection in colder climates.

Lemon Cypress

Repotting Every 1-2 years, or when the plant becomes root-bound. Choose a pot slightly larger than the previous one.
Pruning Prune to maintain shape and remove dead or damaged branches. Can be pruned lightly throughout the year.
Fertilizing Balanced liquid fertilizer (20-20-20) diluted to half strength, every 4-6 weeks during the growing season (spring and summer)
Seasonal Care In winter, reduce watering and provide cooler temperatures. In summer, ensure adequate moisture and protect from intense afternoon sun. If kept indoors, maintain consistent light and humidity year-round.

🌞 Light Requirements

Delphinium

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

Low light tolerant: ❌ No

Lemon Cypress

Full sun to partial shade outdoors; requires very bright, direct light indoors (at least 6 hours of direct sunlight daily)

Low light tolerant: ❌ No

💧 Watering Needs

Delphinium

Water deeply when the top inch of soil feels dry. Avoid overhead watering to prevent fungal diseases. Overwatering can lead to root rot, indicated by yellowing leaves and a mushy stem. Underwatering results in wilting and dry, crispy leaves.

Lemon Cypress

Water thoroughly when the top inch of soil feels dry. Ensure good drainage to prevent root rot. Overwatering leads to yellowing and root rot; underwatering causes browning and needle drop.

🌡️ Temperature & Humidity

Delphinium

Temperature: 15-24°C

Humidity: 40-60%

Lemon Cypress

Temperature: 10-21°C

Humidity: 30-50%

🤔 Which Plant Is Right For You?

Delphinium

Delphinium

Delphinium spp.
Care: Expert Time: 30 minutes weekly (weeding, watering, deadheading) Beginner: No

Gardeners looking to add height and vibrant color to their flower beds.

✅ Choose This Plant If...

  • You want a tall, dramatic flower for your garden.
  • You want to attract pollinators to your yard.
  • You have a sunny garden spot with well-draining soil.
  • You enjoy the classic cottage garden aesthetic.
  • You are an experienced gardener looking for a rewarding challenge.

❌ Skip This Plant If...

  • You have limited sunlight in your home.
  • You have pets or small children who might ingest the plant.
  • You are a beginner gardener looking for an easy-to-grow plant.
📍 Ideal Location: Outdoor garden bed with full sun exposure
🎨 Style: Cottage, Traditional, English Garden
🏠 Apartment Friendly: No
⚠️ Toxic to dogs, cats, and horses. All parts of the plant, especially the seeds, contain toxic alkaloids. Symptoms include gastrointestinal upset, weakness, and potentially cardiac problems.
Lemon Cypress

Lemon Cypress

Cupressus macrocarpa 'Goldcrest Wilma'
Care: Expert Time: 15 minutes weekly Beginner: No

Experienced plant enthusiasts who can provide the specific light and temperature requirements for indoor growth, or those looking for an outdoor ornamental conifer.

✅ Choose This Plant If...

  • You love the lemon scent and golden foliage.
  • You have a very sunny location indoors or are planting outdoors.
  • You enjoy shaping plants into topiaries.
  • You want a festive plant for the holidays.
  • You are an experienced gardener looking for a unique challenge.

❌ Skip This Plant If...

  • You have pets that might ingest the plant.
  • You cannot provide very bright, direct sunlight.
  • You are a beginner gardener looking for an easy-care plant.
📍 Ideal Location: Outdoors: Sunny garden or patio. Indoors: South-facing window with direct sunlight.
🎨 Style: Mediterranean, Coastal, Traditional, Festive
🏠 Apartment Friendly: Limited
⚠️ According to the ASPCA, cypress trees contain oils that can cause gastrointestinal upset if ingested by dogs, cats, or horses. Symptoms include vomiting, diarrhea, and drooling.

🎯 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

Delphinium Care Tips

Delphiniums are primarily outdoor plants and are very challenging to grow indoors due to their high light requirements and need for specific temperature and humidity conditions. They require full sun, well-draining soil, and regular fertilization. Indoor cultivation is not recommended.

  • Provide support for tall flower spikes to prevent them from bending or breaking.
  • Deadhead spent flowers regularly to encourage more blooms.
  • Protect from slugs and snails, especially young plants.
  • Ensure good drainage to prevent root rot.
  • Apply a layer of mulch around the base of the plant to retain moisture and suppress weeds.
❄️ Winter: Cut back foliage after flowering. Apply a layer of mulch around the base of the plant to protect the crown from freezing temperatures. In colder climates, consider providing additional winter protection.
☀️ Summer: Water regularly during hot, dry periods. Deadhead spent flowers to encourage more blooms. Provide support for tall flower spikes to prevent them from bending or breaking in strong winds.

Lemon Cypress Care Tips

Lemon Cypress is primarily an outdoor plant that requires very bright light and well-draining soil. Indoor cultivation is challenging due to the need for intense light and cool temperatures. Consistent watering and humidity are also crucial. It is toxic to pets.

  • Provide at least 6 hours of direct sunlight daily if grown indoors.
  • Ensure excellent drainage to prevent root rot.
  • Mist regularly to increase humidity, especially indoors.
  • Fertilize regularly during the growing season with a balanced fertilizer.
  • Protect from frost in colder climates.
❄️ Winter: Reduce watering during the winter months. Protect from frost in colder climates. If kept indoors, maintain consistent light and humidity.
☀️ Summer: Ensure adequate moisture during the summer months. Protect from intense afternoon sun to prevent scorching. Increase humidity by misting regularly.

⚠️ Common Problems & Solutions — Plant Care Comparison

Delphinium

Common Issues: Powdery mildew, Crown rot, Aphids, Slugs/Snails
Solutions: Powdery mildew: Improve air circulation and apply fungicide. Crown rot: Ensure good drainage and avoid overwatering. Aphids: Spray with insecticidal soap. Slugs/Snails: Use slug bait or handpick.

Lemon Cypress

Common Issues: Spider mites, root rot, browning needles, lack of sunlight
Solutions: Spider mites: Treat with insecticidal soap or neem oil. Root rot: Improve drainage and reduce watering. Browning needles: Increase humidity and ensure adequate sunlight. Lack of sunlight: Move to a brighter location.

❓ Frequently Asked Questions — Comparing These Plants

Delphinium

What are the light requirements for Delphinium?

Delphiniums are sun-loving plants and require at least six hours of direct sunlight daily to flourish. Insufficient light can lead to weak stems, poor flowering, and increased susceptibility to diseases. In hotter climates, some afternoon shade can be beneficial to prevent scorching. When selecting a location, consider the sun’s path and ensure the plants receive ample morning sun. Delphiniums grown in partial shade may still survive, but their blooms will be significantly diminished. If growing indoors, supplement with grow lights to provide the necessary intensity and duration of light. Rotate the plant regularly to ensure even light exposure.

How do I care for Delphinium?

Delphiniums require specific care to thrive. Plant in well-draining soil enriched with organic matter. Full sun (at least 6 hours daily) is crucial for optimal blooming. Water deeply but infrequently, allowing the soil to dry slightly between waterings. Fertilize regularly during the growing season with a balanced fertilizer, switching to a high-phosphorus fertilizer as buds develop to promote abundant blooms. Stake tall varieties to prevent them from collapsing under the weight of their flowers or in windy conditions. Deadhead spent blooms to encourage reblooming. Protect from slugs and snails, which can damage young plants. Provide adequate air circulation to prevent fungal diseases. Mulch around the base of the plant to retain moisture and suppress weeds.

How do I propagate Delphinium?

Delphiniums can be propagated through division, stem cuttings, and seeds. Division involves separating mature clumps in early spring or fall. Carefully dig up the plant and divide the root ball into sections, ensuring each section has healthy roots and shoots. Stem cuttings can be taken in spring. Select healthy, non-flowering stems and cut them into 4-6 inch sections. Remove the lower leaves and dip the cut end in rooting hormone. Plant the cuttings in a well-draining potting mix and keep them moist. Seeds can be sown indoors in late winter or early spring. Sow seeds thinly in a seed starting mix and keep them moist and warm. Germination typically takes 2-3 weeks.

Lemon Cypress

What are the light requirements for Lemon Cypress?

Lemon Cypress requires bright, indirect light to thrive indoors. Insufficient light can cause the foliage to become pale and leggy. Place your Lemon Cypress near a sunny east- or west-facing window, where it can receive several hours of bright light each day. Avoid direct sunlight, which can scorch the delicate needles. If natural light is limited, supplement with a grow light. Rotate the plant regularly to ensure even light exposure on all sides. A south-facing window can work if filtered with a sheer curtain.

How do I care for Lemon Cypress?

Lemon Cypress thrives in bright, indirect light, requiring at least 6 hours daily. Water thoroughly when the top inch of soil feels dry, ensuring proper drainage to prevent root rot. Maintain moderate humidity levels, especially during dry indoor conditions, by misting regularly or using a humidifier. Fertilize monthly during the growing season (spring and summer) with a balanced liquid fertilizer. Repot every 1-2 years in spring, using a well-draining potting mix. Prune lightly to maintain shape and remove any dead or yellowing foliage. Ensure proper air circulation to prevent fungal diseases. Rotate the plant regularly for even growth. Maintain a stable temperature between 60-75°F (15-24°C).

How do I propagate Lemon Cypress?

Lemon Cypress can be propagated through stem cuttings or air layering. For stem cuttings, take a 4-6 inch cutting from new growth in spring. Remove the lower leaves and dip the cut end in rooting hormone. Plant the cutting in a well-draining potting mix and keep it moist in a humid environment. Rooting may take several weeks. For air layering, make a shallow cut on a stem and wrap it with moist sphagnum moss. Cover the moss with plastic wrap and secure it with tape. Keep the moss moist. Once roots develop, cut the stem below the rooted area and plant it in a pot. Rooting hormone can improve success rates for both methods. Maintaining consistent humidity is key.

Last updated: May 6, 2026 — Plant care data reviewed and verified by our editorial team.