Mum vs Noble Fir Plant Comparison

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

Mum

Mum

Chrysanthemum × morifolium

VS
Noble Fir

Noble Fir

Abies procera

Mum

Mum

Chrysanthemum × morifolium

Chrysanthemum × morifolium, commonly known as mums, are popular flowering plants cultivated for their vibrant and diverse flower colors and forms. They are herbaceous perennials, typically grown as annuals in many climates due to their sensitivity to frost. Mums are characterized by their bushy growth habit and composite flower heads, which come in various shapes like daisy-like, pompon, and spider. While primarily outdoor plants, they are often brought indoors for short periods to enjoy their blooms, but they require specific conditions to thrive indoors long-term. People grow them for ornamental purposes, adding color to gardens and homes, and for cut flowers.

Asteraceae China
✨ Features: Wide variety of flower colors and forms.
📖 Read Complete Mum Guide
Noble Fir

Noble Fir

Abies procera

The Noble Fir is a large evergreen conifer, typically reaching heights of 40-70 meters (130-230 feet) in its native habitat. It has a narrow, pyramidal crown and smooth, gray bark that becomes furrowed with age. The needles are bluish-green, flattened, and curve upwards, giving the branches a bottle-brush appearance. It is primarily an outdoor tree, valued for its timber and as a popular Christmas tree due to its attractive form, strong branches, and long needle retention. Growing it indoors long-term is not feasible.

Pinaceae Pacific Northwest of North America (Oregon, Washington, Northern California)
✨ Features: Attractive bluish-green needles, strong branches, and excellent needle retention make it a popular Christmas tree.
📖 Read Complete Noble Fir Guide

Quick Plant Comparison

Feature Mum Noble Fir
Light Full sun (at least 6 hours of direct sunlight daily) Full sun to partial shade
Watering Every 2-3 days outdoors in warm weather; every 5-7 days indoors, depending on light and temperature. Water deeply at planting. Established trees: as needed during dry periods.
Humidity 40-60% 30-50%
Temperature 15-24°C 5-25°C
Care Level Expert Expert
Growth Rate Moderate Moderate
Max Height 0.3-1 meter (indoors often smaller) Not applicable indoors. Outdoors: 40-70 meters (130-230 feet)
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining potting mix rich in organic matter. Well-drained, slightly acidic soil
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 15-30 minutes weekly 1-2 hours per month (primarily for watering and occasional pruning)

🔬 Botanical Information — Comparing These Plants

Mum

Scientific Name Chrysanthemum × morifolium
Family Asteraceae
Native To China
Also Known As Florist's Chrysanthemum, Garden Mum
Leaves Leaves are typically lobed or toothed, medium green in color, and have a slightly hairy texture. Leaf size varies depending on the cultivar.
Flowers Mums flower readily outdoors in the fall. Indoor flowering is possible with sufficient light and cool temperatures. Flowers come in a wide range of colors (white, yellow, orange, red, purple, pink) and forms (daisy-like, pompon, spider, etc.).

Noble Fir

Scientific Name Abies procera
Family Pinaceae
Native To Pacific Northwest of North America (Oregon, Washington, Northern California)
Also Known As Noble Fir, Red Fir, Larch
Leaves Flattened, bluish-green needles, 2-3 cm long, arranged spirally on the branches but appearing two-ranked due to twisting at the base. Needles curve upwards and have a distinctive aroma when crushed.
Flowers Does not flower indoors. Outdoors, it produces inconspicuous cones in the spring.

📏 Size & Growth — Plant Comparison

Mum

Height 0.3-1 meter (indoors often smaller)
Spread 0.3-1 meter
Growth Rate Moderate
Growth Pattern Bushy, upright growth habit. Can be compact or more spreading depending on the variety and pruning.

Noble Fir

Height Not applicable indoors. Outdoors: 40-70 meters (130-230 feet)
Spread Not applicable indoors. Outdoors: 6-9 meters (20-30 feet)
Growth Rate Moderate
Growth Pattern Upright, pyramidal growth habit, forming a tall, conical tree with a narrow crown.

🌱 Propagation — Comparing Plant Growth

Mum

Methods: Stem cuttings, Division, Seed

Difficulty: Moderate

Tips: Take stem cuttings in spring or early summer. Use rooting hormone and keep the cuttings in a humid environment. Division is best done in spring or fall.

Noble Fir

Methods: Seed, Grafting

Difficulty: Difficult

Tips: Seed propagation requires stratification. Grafting is often used to propagate desirable cultivars.

✨ Benefits & Features — Comparing Plant Value

Mum

Chrysanthemums are known for their diverse flower shapes and colors, blooming in the fall when many other plants are fading. They are photoperiodic, meaning their flowering is triggered by shorter day lengths.

  • ✓ Adds vibrant color to gardens and homes
  • ✓ Provides cut flowers for arrangements
  • ✓ Can improve mood with its bright blooms
  • ✓ Attracts pollinators to the garden
  • ✓ Offers a sense of accomplishment for successful cultivation
  • ⚠️ Toxic to pets

Noble Fir

The Noble Fir is distinguished by its bluish-green needles that curve upwards, giving the branches a bottle-brush appearance. It is also known for its strong branches and excellent needle retention, making it a popular Christmas tree choice.

  • ✓ Provides shade and privacy.
  • ✓ Enhances property value.
  • ✓ Attracts wildlife.
  • ✓ Offers a source of Christmas trees.
  • ✓ Contributes to carbon sequestration.
  • ⚠️ Toxic to pets

📅 Maintenance Schedule — Plant Care Comparison

Mum

Repotting Repot only if necessary, typically every 1-2 years, in spring. Choose a pot slightly larger than the current one.
Pruning Pinch back stems regularly in spring and early summer to encourage bushier growth and more blooms. Deadhead spent flowers to promote continued blooming.
Fertilizing Balanced liquid fertilizer (10-10-10) diluted to half strength every 2-4 weeks during the growing season (spring and summer).
Seasonal Care In spring and summer, provide regular watering and fertilization. In fall, enjoy the blooms. In winter, if overwintering outdoors, mulch heavily to protect the roots. Indoors, reduce watering in winter.

Noble Fir

Repotting Not applicable, as it is not suitable for container growing.
Pruning Prune young trees to shape them and remove any dead or damaged branches. Avoid heavy pruning.
Fertilizing Apply a balanced fertilizer in early spring, following package instructions for evergreens. Avoid over-fertilizing.
Seasonal Care In winter, protect young trees from heavy snow loads. In summer, water during dry spells. Mulch around the base of the tree to retain moisture and suppress weeds.

🌞 Light Requirements

Mum

Full sun (at least 6 hours of direct sunlight daily)

Low light tolerant: ❌ No

Noble Fir

Full sun to partial shade

Low light tolerant: ❌ No

💧 Watering Needs

Mum

Water thoroughly when the top inch of soil feels dry. Avoid overwatering, which can lead to root rot. Ensure good drainage. Indoors, check soil moisture regularly as potted plants dry out faster. Signs of underwatering include wilting leaves; overwatering shows as yellowing leaves and soggy soil.

Noble Fir

Water deeply when planting. Once established, Noble Firs are relatively drought-tolerant but benefit from occasional watering during prolonged dry periods, especially when young. Avoid overwatering, which can lead to root rot. Check soil moisture before watering.

🌡️ Temperature & Humidity

Mum

Temperature: 15-24°C

Humidity: 40-60%

Noble Fir

Temperature: 5-25°C

Humidity: 30-50%

🤔 Which Plant Is Right For You?

Mum

Mum

Chrysanthemum × morifolium
Care: Expert Time: 15-30 minutes weekly Beginner: No

Gardeners looking to add vibrant fall color to their outdoor spaces, or those willing to provide very specific conditions for short-term indoor enjoyment.

✅ Choose This Plant If...

  • You want vibrant fall colors in your garden.
  • You are looking for a plant with diverse flower forms and colors.
  • You are willing to provide the specific light and temperature conditions required for indoor blooming.
  • You enjoy the challenge of caring for a plant that requires attentive maintenance.
  • You want a plant that can be used for cut flowers.

❌ 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 looking for a low-maintenance indoor plant.
📍 Ideal Location: Outdoors in a sunny garden bed or container; indoors near a south-facing window.
🎨 Style: Traditional, Cottage, Country
🏠 Apartment Friendly: Limited
⚠️ Toxic to dogs, cats, and horses. Contains sesquiterpene lactones, pyrethrins, and other potential irritants. Symptoms include vomiting, diarrhea, salivation, incoordination, and dermatitis. All parts of the plant are toxic.
Noble Fir

Noble Fir

Abies procera
Care: Expert Time: 1-2 hours per month (primarily for watering and occasional pruning) Beginner: No

Landowners in cool, moist climates looking for an impressive evergreen tree for timber or Christmas tree production.

✅ Choose This Plant If...

  • You have ample outdoor space in a cool, moist climate.
  • You desire a stately evergreen tree for your property.
  • You are interested in growing Christmas trees.
  • You want to attract birds and other wildlife to your yard.
  • You appreciate the fragrance of fir trees.

❌ Skip This Plant If...

  • You live in a warm, dry climate.
  • You have limited outdoor space.
  • You are looking for an indoor plant.
  • You have pets that may ingest the tree.
  • You dislike the mess of fallen needles.
📍 Ideal Location: Outdoors in a large yard or acreage with full sun and well-drained soil.
🎨 Style: Traditional, Natural
🏠 Apartment Friendly: No
⚠️ According to the ASPCA, fir trees (Abies species) are considered toxic to dogs, cats, and horses. The oils in the sap can cause irritation of the mouth and stomach if ingested, leading to excessive drooling and vomiting.

🎯 Quick Verdict

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

⚡ Key Differences Between These Plants

☀️

Mum needs full sun (at least 6 hours of direct sunlight daily), while Noble Fir prefers full sun to partial shade.

📈

Mum has moderate growth, while Noble Fir grows moderate.

💡 Pro Tips For Comparing These Plants

Mum Care Tips

Mums are primarily outdoor plants and require significant sunlight to thrive. Indoor care is challenging due to the need for bright light and cool temperatures. They are often treated as annuals indoors. Maintaining proper watering and humidity is crucial to prevent problems.

  • Pinch back stems regularly until mid-summer to encourage bushier growth.
  • Provide excellent drainage to prevent root rot.
  • Water deeply but infrequently, allowing the soil to dry slightly between waterings.
  • Fertilize regularly during the growing season with a balanced fertilizer.
  • Monitor for pests and diseases and treat promptly.
❄️ Winter: Reduce watering in winter. If overwintering outdoors, mulch heavily. If overwintering indoors, keep in a cool, bright location.
☀️ Summer: Provide regular watering and fertilization. Protect from intense afternoon sun in hot climates. Pinch back stems regularly until mid-summer.

Noble Fir Care Tips

Noble Firs are outdoor trees and are not suitable for indoor growing. They require full sun, well-drained soil, and adequate space to grow. Attempting to keep one indoors will likely result in a stressed and unhealthy plant.

  • Plant in well-drained, slightly acidic soil.
  • Water deeply when planting and during dry periods.
  • Fertilize in early spring with a balanced fertilizer.
  • Prune young trees to shape them.
  • Protect young trees from heavy snow loads.
❄️ Winter: Protect young trees from heavy snow loads by gently shaking off excess snow. Mulch around the base of the tree to insulate the roots.
☀️ Summer: Water deeply during dry spells, especially for young trees. Monitor for pests and diseases and treat as needed.

⚠️ Common Problems & Solutions — Plant Care Comparison

Mum

Common Issues: Aphids, spider mites, powdery mildew, root rot
Solutions: Aphids and spider mites: Insecticidal soap or neem oil. Powdery mildew: Improve air circulation and use a fungicide. Root rot: Ensure well-draining soil and avoid overwatering.

Noble Fir

Common Issues: Root rot, spider mites, needle cast
Solutions: Root rot: Ensure well-drained soil and avoid overwatering. Spider mites: Treat with insecticidal soap. Needle cast: Improve air circulation and apply a fungicide if necessary.

❓ Frequently Asked Questions — Comparing These Plants

Mum

What are the light requirements for Mum?

Mums thrive in bright, indirect light. They need at least 6 hours of sunlight per day to produce abundant blooms. An east- or west-facing window is ideal, providing ample light without the harshness of direct sunlight. Insufficient light can lead to leggy growth and reduced flowering.

How do I care for Mum?

To care for your Mum, provide bright, indirect light, ideally near an east- or west-facing window. Water thoroughly when the top inch of soil feels dry to the touch, ensuring good drainage to prevent root rot. Fertilize every two weeks during the growing season (spring and summer) with a balanced liquid fertilizer, reducing frequency in the fall.

How do I propagate Mum?

Mums can be propagated through division, stem cuttings, or occasionally from keiki.

Noble Fir

What are the light requirements for Noble Fir?

Noble Firs require bright, indirect light to thrive indoors. Direct sunlight can scorch their needles, so avoid placing them near south-facing windows without some form of shading. An east- or west-facing window is ideal, providing ample light without the harsh intensity of direct sun. If natural light is insufficient, supplement with grow lights, positioning them a few feet above the plant. Rotate the plant regularly to ensure even light exposure on all sides, promoting balanced growth. Observe the plant for signs of inadequate light, such as leggy growth or pale needles, and adjust its placement accordingly.

How do I care for Noble Fir?

To successfully grow a Noble Fir indoors, provide it with bright, indirect light, mimicking its natural forest environment. Water thoroughly when the top inch of soil feels dry, ensuring proper drainage to prevent root rot. Maintain a cool indoor temperature, ideally between 50-65°F (10-18°C), and provide adequate humidity, especially during dry winter months, by misting regularly or using a humidifier. Fertilize sparingly during the growing season (spring and summer) with a balanced, slow-release fertilizer. Repot every 2-3 years in a slightly larger pot with well-draining potting mix. Prune lightly to maintain shape and remove any dead or damaged branches. Keep your Noble Fir away from direct heat sources.

How do I propagate Noble Fir?

Noble Firs can be propagated through stem cuttings or air layering, although success rates can vary.

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