Blue Spruce vs Spiderwort Plant Comparison

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

Blue Spruce

Blue Spruce

Picea pungens

VS
Spiderwort

Spiderwort

Tradescantia zebrina

Blue Spruce

Blue Spruce

Picea pungens

The Blue Spruce is a coniferous evergreen tree known for its distinctive blue-green needles and pyramidal shape. It is a large tree, typically growing outdoors to heights of 50-75 feet. Its needles are stiff and sharp, radiating in all directions from the branches. Cones are light brown and papery. It's primarily grown as an ornamental tree for its striking color and symmetrical form. It is not naturally an indoor plant and will struggle significantly indoors.

Pinaceae Rocky Mountains of the United States
✨ Features: Attractive blue-green foliage, pyramidal shape, provides habitat for wildlife.
📖 Read Complete Blue Spruce Guide
Spiderwort

Spiderwort

Tradescantia zebrina

Tradescantia zebrina is a popular trailing plant known for its striking foliage. The leaves are characterized by their vibrant silver stripes on a green background, with a purple underside. It's a relatively fast-growing plant that thrives in bright, indirect light. While it can be grown indoors, it often requires more light than is typically available, leading to leggy growth. People grow it for its attractive foliage and ease of propagation.

Commelinaceae Mexico, Central America, Colombia
✨ Features: Striking foliage with silver stripes and purple undersides.
📖 Read Complete Spiderwort Guide

Quick Plant Comparison

Feature Blue Spruce Spiderwort
Light Full sun (at least 6 hours of direct sunlight daily) Bright, indirect light. Avoid direct sunlight, which can scorch the leaves.
Watering Water deeply at planting and then as needed during dry periods, typically every 2-4 weeks once established. Every 7-10 days, depending on environmental conditions
Humidity 30-50% 40-60%
Temperature 10-24°C 18-24°C
Care Level Expert Easy
Growth Rate Slow To Moderate Fast
Max Height Not applicable indoors. Outdoors: 15-23 meters 6-12 inches (indoors)
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining, slightly acidic soil. Avoid heavy clay soils. Well-draining potting mix, such as a mix of peat moss, perlite, and vermiculite.
Beginner Friendly ❌ No ✅ Yes
Weekly Maintenance 15 minutes monthly (mostly inspection for pests/disease) 5-10 minutes weekly

🔬 Botanical Information — Comparing These Plants

Blue Spruce

Scientific Name Picea pungens
Family Pinaceae
Native To Rocky Mountains of the United States
Also Known As Colorado Blue Spruce, Blue Spruce
Leaves The needles are stiff, sharp, and approximately 1-inch long. They are four-sided and radiate in all directions from the branches. The color ranges from blue-green to silvery-blue, depending on the individual tree and the amount of wax coating on the needles.
Flowers Blue Spruce trees produce small, inconspicuous flowers in the spring. These are not typically noticeable and are not the primary ornamental feature of the tree. It does not flower indoors.

Spiderwort

Scientific Name Tradescantia zebrina
Family Commelinaceae
Native To Mexico, Central America, Colombia
Also Known As Wandering Jew, Inch Plant, Silver Inch Plant, Wandering Dude
Leaves The leaves of Tradescantia zebrina are ovate to lance-shaped, measuring approximately 1-3 inches long. They feature vibrant silver stripes on a green background, with a deep purple underside. The leaves have a slightly succulent texture and are arranged alternately along the stems.
Flowers Tradescantia zebrina can occasionally produce small, pink or purple flowers indoors, but flowering is not its primary appeal. The flowers are relatively inconspicuous compared to the striking foliage.

📏 Size & Growth — Plant Comparison

Blue Spruce

Height Not applicable indoors. Outdoors: 15-23 meters
Spread Not applicable indoors. Outdoors: 3-6 meters
Growth Rate Slow To Moderate
Growth Pattern The Blue Spruce has an upright, pyramidal growth habit. It maintains a symmetrical shape throughout its life, with branches radiating outwards and upwards from a central trunk.

Spiderwort

Height 6-12 inches (indoors)
Spread 1-3 feet (trailing)
Growth Rate Fast
Growth Pattern Tradescantia zebrina exhibits a trailing growth pattern, with stems that can grow several feet long. It spreads outwards and downwards, making it ideal for hanging baskets or displaying on shelves where the stems can cascade over the edge.

🌱 Propagation — Comparing Plant Growth

Blue Spruce

Methods: Seed, Cuttings, Grafting

Difficulty: Difficult

Tips: Propagation from seed is slow and requires stratification. Cuttings are difficult to root and grafting is the most reliable method, but requires specialized skills.

Spiderwort

Methods: Stem cuttings

Difficulty: Easy

Tips: Take stem cuttings with at least two nodes. Remove the bottom leaves and place the cutting in water or directly into moist soil. Roots will typically develop within a week or two.

✨ Benefits & Features — Comparing Plant Value

Blue Spruce

The Blue Spruce is known for its striking blue-green needles, which are sharper and more rigid than those of other spruce species. The color intensity can vary among individual trees, with some exhibiting a more pronounced blue hue.

  • ✓ Provides year-round visual interest
  • ✓ Offers shelter and nesting sites for birds
  • ✓ Can be used as a windbreak
  • ✓ Relatively low-maintenance once established
  • ✓ Increases property value.
  • ⚠️ Toxic to pets

Spiderwort

Tradescantia zebrina is unique due to its striking foliage with silver stripes and purple undersides. The vibrant colors and trailing growth habit make it a popular choice for indoor plant enthusiasts. It is also incredibly easy to propagate from stem cuttings.

  • ✓ Adds visual interest with its unique foliage.
  • ✓ Easy to propagate, allowing you to create more plants.
  • ✓ Can be displayed in various ways, such as hanging baskets or on shelves.
  • ✓ Relatively easy to care for, making it suitable for beginners.
  • ✓ Provides a touch of nature indoors.
  • ⚠️ Toxic to pets

📅 Maintenance Schedule — Plant Care Comparison

Blue Spruce

Repotting Not applicable as this is not an indoor plant.
Pruning Prune only to remove dead, damaged, or crossing branches. Avoid heavy pruning.
Fertilizing Apply a balanced fertilizer in early spring, following package instructions. Avoid over-fertilizing.
Seasonal Care In winter, protect young trees from heavy snow and ice. In summer, water deeply during dry periods. Mulch around the base of the tree to retain moisture and suppress weeds.

Spiderwort

Repotting Repot every 1-2 years, or when the plant becomes root-bound. Use a slightly larger pot and fresh potting mix.
Pruning Pinch back stems regularly to encourage bushier growth and prevent legginess. Remove any dead or yellowing leaves.
Fertilizing Balanced liquid fertilizer (20-20-20) diluted to half strength, every 4-6 weeks during the growing season (spring and summer).
Seasonal Care During the growing season (spring and summer), water more frequently and fertilize regularly. Reduce watering in the fall and winter when growth slows down. Provide adequate light year-round.

🌞 Light Requirements

Blue Spruce

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

Low light tolerant: ❌ No

Spiderwort

Bright, indirect light. Avoid direct sunlight, which can scorch the leaves.

Low light tolerant: ❌ No

💧 Watering Needs

Blue Spruce

Water deeply when planting and during dry periods, especially when young. Established trees are relatively drought-tolerant. Overwatering can lead to root rot, so ensure well-draining soil. Signs of underwatering include browning needles and drooping branches. Signs of overwatering include yellowing needles and soggy soil.

Spiderwort

Water thoroughly when the top inch of soil feels dry. Ensure good drainage to prevent root rot. Overwatering can lead to yellowing leaves and stem rot. Underwatering causes the leaves to become dry and crispy.

🌡️ Temperature & Humidity

Blue Spruce

Temperature: 10-24°C

Humidity: 30-50%

Spiderwort

Temperature: 18-24°C

Humidity: 40-60%

🤔 Which Plant Is Right For You?

Blue Spruce

Blue Spruce

Picea pungens
Care: Expert Time: 15 minutes monthly (mostly inspection for pests/disease) Beginner: No

Landowners with large properties seeking a striking ornamental evergreen tree.

✅ Choose This Plant If...

  • You have a large outdoor space and want a striking evergreen tree
  • You live in a climate with cold winters and full sun
  • You want to attract birds and other wildlife to your property
  • You appreciate the unique blue-green color of the needles
  • You are looking for a relatively low-maintenance tree once established.

❌ Skip This Plant If...

  • You live in an area with hot, humid summers
  • You have limited space or are looking for an indoor plant
  • You have pets that may ingest the needles
  • You have poorly draining soil
  • You dislike sharp needles.
📍 Ideal Location: Outdoors in a sunny location with well-draining soil.
🎨 Style: Traditional, Natural
🏠 Apartment Friendly: No
⚠️ The ASPCA lists Picea species as toxic to dogs, cats, and horses. Symptoms include vomiting, diarrhea, lethargy, and drooling. The needles contain oils that can cause irritation.
Spiderwort

Spiderwort

Tradescantia zebrina
Care: Easy Time: 5-10 minutes weekly Beginner: Yes

Someone looking for a visually striking and easy-to-propagate trailing plant.

✅ Choose This Plant If...

  • You want a plant with visually striking foliage.
  • You are looking for a plant that is easy to propagate.
  • You want a trailing plant to display in a hanging basket or on a shelf.
  • You have a bright, indirect light location.
  • You are prepared to keep it away from pets.

❌ Skip This Plant If...

  • You have pets that might ingest the plant.
  • You cannot provide bright, indirect light.
  • You are looking for a low-maintenance plant that requires minimal pruning.
📍 Ideal Location: Hanging basket near a bright window, or on a shelf where the stems can trail down.
🎨 Style: Bohemian, Eclectic, Modern
🏠 Apartment Friendly: Yes
⚠️ According to the ASPCA, Tradescantia species are toxic to dogs, cats, and horses. Symptoms include dermatitis (skin irritation) upon contact, and oral irritation, vomiting, or diarrhea if ingested. The sap is the primary irritant.

🎯 Quick Verdict

Best for Beginners Spiderwort
Pet Friendly Neither - caution
Less Maintenance Spiderwort
Apartment Friendly Spiderwort

⚡ Key Differences Between These Plants

🎯

Blue Spruce is rated Expert care level, while Spiderwort is Easy.

📈

Blue Spruce has slow to moderate growth, while Spiderwort grows fast.

💡 Pro Tips For Comparing These Plants

Blue Spruce Care Tips

Blue Spruce is an outdoor tree and is not suitable for indoor growing. It requires full sun, well-draining soil, and cold temperatures to thrive. Indoor attempts will likely result in a stressed and unhealthy plant.

  • Plant in well-draining soil to prevent root rot
  • Water deeply during dry periods, especially when young
  • Mulch around the base of the tree to retain moisture
  • Protect young trees from heavy snow and ice
  • Monitor for pests and diseases regularly.
❄️ Winter: Protect young trees from heavy snow and ice by gently shaking off accumulated snow. Mulch around the base of the tree to insulate the roots and retain moisture. Avoid applying de-icing salts near the tree, as they can damage the roots.
☀️ Summer: Water deeply during dry periods, especially when young. Mulch around the base of the tree to retain moisture and suppress weeds. Monitor for pests and diseases regularly.

Spiderwort Care Tips

Tradescantia zebrina is relatively easy to care for, but requires bright, indirect light to maintain its vibrant colors and prevent leggy growth. Regular watering and occasional fertilization will keep it healthy. Be mindful of its toxicity to pets.

  • Provide bright, indirect light to maintain vibrant colors.
  • Water thoroughly when the top inch of soil feels dry.
  • Pinch back stems regularly to encourage bushier growth.
  • Fertilize every 4-6 weeks during the growing season.
  • Monitor for pests and treat promptly.
❄️ Winter: Reduce watering frequency during the winter months as the plant's growth slows down. Ensure the plant is still receiving adequate light, and avoid placing it near cold drafts.
☀️ Summer: Water more frequently during the summer months as the plant's growth increases. Protect the plant from direct sunlight, which can scorch the leaves. Fertilize regularly to support healthy growth.

⚠️ Common Problems & Solutions — Plant Care Comparison

Blue Spruce

Common Issues: Spider mites, needle cast, root rot, bagworms
Solutions: Spider mites: Treat with insecticidal soap or horticultural oil. Needle cast: Improve air circulation and apply a fungicide. Root rot: Ensure well-draining soil and avoid overwatering. Bagworms: Handpick or use Bacillus thuringiensis (Bt).

Spiderwort

Common Issues: Leggy growth, leaf discoloration, root rot, spider mites
Solutions: Leggy growth: Provide more light and prune back stems to encourage bushier growth. | Leaf discoloration: Adjust watering habits and check for pests. | Root rot: Ensure proper drainage and allow the soil to dry out slightly between waterings. | Spider mites: Treat with insecticidal soap or neem oil.

❓ Frequently Asked Questions — Comparing These Plants

Blue Spruce

What are the light requirements for Blue Spruce?

Blue Spruce requires bright, indirect light to thrive indoors. Insufficient light can lead to leggy growth and faded coloration. A south-facing window with sheer curtains is ideal, providing ample light without direct sun exposure, which can scorch the needles. Rotate the plant regularly to ensure even light distribution on all sides. If natural light is limited, supplement with grow lights to maintain healthy growth. Proper lighting is crucial for the development of the characteristic blue hue of the needles. Monitor the plant for signs of light stress, such as yellowing or browning needles, and adjust its placement accordingly.

How do I care for Blue Spruce?

Blue Spruce thrives indoors with proper care. Provide bright, indirect light, preferably near a south-facing window. Water thoroughly when the top inch of soil is dry, ensuring good drainage to prevent root rot. Maintain moderate humidity levels, especially during dry winter months. Fertilize sparingly during the growing season (spring and summer) with a balanced liquid fertilizer. Prune lightly to maintain shape and remove any dead or yellowing needles. Repot every 2-3 years into a slightly larger pot with well-draining soil. Ensure proper air circulation to prevent fungal diseases. Monitor for pests like spider mites and treat promptly if detected. Provide a stable environment with consistent temperature and humidity levels. Avoid placing near heat vents or drafts.

How do I propagate Blue Spruce?

Blue Spruce can be propagated through stem cuttings or air layering, though success rates can be low indoors. For stem cuttings, take 4-6 inch cuttings from new growth in late winter or early spring. Remove the lower needles and dip the cut end in rooting hormone. Plant the cutting in a well-draining potting mix and keep it consistently moist, but not waterlogged. Cover with a plastic bag to maintain humidity. 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 develop, cut the branch below the rooted area and pot it in soil. Be patient, as rooting can take several months.

Spiderwort

What are the light requirements for Spiderwort?

Spiderworts prefer bright, indirect light for optimal growth and flowering. Too much direct sunlight can scorch the leaves, while insufficient light can result in leggy growth and reduced bloom production. An east-facing window is often ideal, providing gentle morning sun and bright, indirect light throughout the day. West or south-facing windows can also work, but be sure to shield the plant from intense midday and afternoon sun with sheer curtains or blinds.

How do I care for Spiderwort?

Spiderworts thrive in well-draining soil, ideally a mix of potting soil, perlite, and compost. Water thoroughly when the top inch of soil feels dry, ensuring excess water drains away to prevent root rot. They prefer bright, indirect light but can tolerate some direct morning sun. Fertilize every 2-4 weeks during the growing season (spring and summer) with a balanced liquid fertilizer, diluted to half strength, to encourage abundant blooms.

How do I propagate Spiderwort?

Spiderworts are easily propagated through division, stem cuttings, or offsets (keiki). For division, carefully separate the plant at the roots in spring or fall, ensuring each section has healthy roots and foliage. Plant each division in its own pot with well-draining soil. For stem cuttings, take 4-6 inch cuttings from healthy stems, remove the lower leaves, and place the cuttings in water or directly into moist soil. Keep the soil consistently moist until roots develop, which typically takes a few weeks.

Last updated: May 7, 2026 — Plant care data reviewed and verified by our editorial team.