Cranesbill vs Lilac Vine

Cranesbill

Cranesbill

Geranium spp. and Pelargonium spp.

VS
Lilac Vine

Lilac Vine

Hardenbergia violacea

Cranesbill

Cranesbill

Geranium spp. and Pelargonium spp.

Cranesbills (Geranium) are herbaceous perennials known for their palmate leaves and saucer-shaped flowers in shades of pink, purple, blue, and white. They form mounds or clumps and are valued for their long bloom time and ease of care in gardens. Pelargoniums, often mistakenly called geraniums, are tender perennials or shrubs with diverse flower shapes and colors, including red, orange, and yellow. They are popular bedding plants and container specimens, prized for their vibrant displays. Neither are naturally indoor plants and struggle to thrive indoors long-term.

Geraniaceae Worldwide, with centers of diversity in South Africa and the Mediterranean region
✨ Features: Long bloom time, attractive foliage, deer resistance (some varieties).
📖 Read Complete Cranesbill Guide
Lilac Vine

Lilac Vine

Hardenbergia violacea

Hardenbergia violacea, commonly known as Lilac Vine, is a vigorous, evergreen climbing plant native to Australia. It features attractive, dark green, leathery leaves and produces masses of pea-like flowers in shades of purple, lilac, pink, or white during the spring. While primarily an outdoor plant, it is sometimes grown indoors, though it requires very bright light and ample support for its climbing habit. People grow it for its beautiful flowers and ability to quickly cover fences or trellises.

Fabaceae Australia
✨ Features: Attractive flowers, vigorous growth, ability to cover fences or trellises quickly.
📖 Read Complete Lilac Vine Guide

Quick Comparison

Feature Cranesbill Lilac Vine
Watering Outdoors: Every 7-14 days, depending on weather. Indoors: Every 10-14 days, depending on light and temperature. Outdoors: Every 1-2 weeks depending on rainfall. Indoors: Every 7-10 days, allowing the soil to dry slightly between waterings.
Humidity 40-60% 40-60%
Care Level Expert Expert
Growth Rate Moderate To Fast, Depending On The Species. Some Geranium Species Can Be Aggressive Spreaders Via Rhizomes. Fast
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets

🔬 Botanical Information

Cranesbill

Scientific Name Geranium spp. and Pelargonium spp.
Family Geraniaceae
Native To Worldwide, with centers of diversity in South Africa and the Mediterranean region
Also Known As Cranesbill, Geranium (true geraniums), Pelargonium (often incorrectly called geraniums)

Lilac Vine

Scientific Name Hardenbergia violacea
Family Fabaceae
Native To Australia
Also Known As Lilac Vine, Purple Coral Pea, Happy Wanderer

📏 Size & Growth Comparison

Cranesbill

Growth Rate Moderate To Fast, Depending On The Species. Some Geranium Species Can Be Aggressive Spreaders Via Rhizomes.

Lilac Vine

Growth Rate Fast

🌱 Propagation Comparison

Cranesbill

Methods: Stem cuttings, Division, Seed

Difficulty: Easy

Tips: Take stem cuttings in spring or summer. Allow the cut end to callous over for a day or two before planting in well-draining soil. Keep the soil moist but not waterlogged. Divide established clumps in spring or fall.

Lilac Vine

Methods: Seed, Stem cuttings, Layering

Difficulty: Moderate

Tips: Take stem cuttings in spring or summer. Dip the cut end in rooting hormone and plant in a well-draining potting mix. Keep the soil moist and provide indirect light. Seeds require scarification before sowing.

📅 Maintenance Schedule

Cranesbill

Repotting Only if rootbound. Repot in spring. If aggressively spreading, consider dividing instead of repotting into a larger container.
Pruning Deadhead spent flowers regularly to encourage more blooms. Prune back leggy growth in spring.
Fertilizing Balanced liquid fertilizer (10-10-10) diluted to half strength, every 4-6 weeks during the growing season (spring and summer).
Seasonal Care Spring: Fertilize and prune. Summer: Water regularly and deadhead spent flowers. Fall: Divide established clumps. Winter: Reduce watering and provide protection from frost if outdoors; provide supplemental light if overwintering indoors.

Lilac Vine

Repotting Repot every 1-2 years in spring if grown in a container, or when the plant becomes root-bound.
Pruning Prune after flowering to maintain shape and control size. Remove any dead or damaged growth.
Fertilizing Balanced liquid fertilizer (e.g., 20-20-20) diluted to half strength, every 4-6 weeks during the growing season (spring and summer).
Seasonal Care Spring: Fertilize and prune after flowering. Summer: Water regularly and protect from intense heat. Autumn: Reduce watering. Winter: Provide minimal watering and protect from frost.

🤔 Which Plant Is Right For You?

Cranesbill

Cranesbill

Geranium spp. and Pelargonium spp.
Care: Expert

Experienced gardeners who can provide the necessary outdoor conditions or a very bright indoor environment with supplemental lighting.

⚠️ Geraniums (Geranium spp. and Pelargonium spp.) contain geraniol and linalool, which are toxic to dogs, cats, and horses. Symptoms include vomiting, diarrhea, anorexia, and dermatitis. All parts of the plant are considered toxic.
Lilac Vine

Lilac Vine

Hardenbergia violacea
Care: Expert

Experienced gardeners who want a flowering vine for outdoor spaces and are willing to provide the specific conditions needed for indoor growth.

⚠️ According to the ASPCA, Hardenbergia violacea is toxic to dogs, cats, and horses. The toxic principle is unknown, but symptoms include vomiting and diarrhea.

🎯 Quick Verdict

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

⚡ Key Differences At A Glance

☀️

Cranesbill needs full sun to partial shade outdoors. indoors, requires very bright, direct light. light, while Lilac Vine prefers full sun to partial shade outdoors. indoors, requires very bright, direct sunlight for at least 6 hours a day. light.

💧

Cranesbill requires outdoors: water deeply when the top inch of soil feels dry. avoid overwatering, which can lead to root rot. indoors: allow the top inch of soil to dry out between waterings. reduce watering in winter. overwatering symptoms include yellowing leaves and mushy stems; underwatering symptoms include wilting and dry, crispy leaves. watering, compared to water deeply when the top inch of soil feels dry. avoid overwatering, which can lead to root rot. reduce watering during the winter months. outdoors, established plants are relatively drought-tolerant. indoors, monitor soil moisture carefully. for Lilac Vine.

📈

Cranesbill has moderate to fast, depending on the species. some geranium species can be aggressive spreaders via rhizomes. growth, while Lilac Vine grows fast.

💡 Pro Tips For Each Plant

Cranesbill Care Tips

Cranesbills are primarily outdoor plants that require ample sunlight and well-draining soil. Indoor cultivation is challenging due to their high light requirements. They are prone to pests and diseases if not properly cared for. Regular pruning and deadheading are necessary to maintain their appearance and promote blooming. Overwintering indoors is possible with sufficient light.

Lilac Vine Care Tips

Lilac Vine is primarily an outdoor plant and requires expert care to thrive indoors. It needs very bright light, well-draining soil, and regular pruning to control its vigorous growth. Maintaining adequate humidity and preventing pests are also crucial for indoor success.

⚠️ Common Problems & Solutions

Cranesbill

Common Issues: Root rot, Powdery mildew, Aphids, Spider mites
Solutions: Root rot: Ensure well-draining soil and avoid overwatering. Powdery mildew: Improve air circulation and treat with a fungicide. Aphids: Spray with insecticidal soap. Spider mites: Increase humidity and treat with miticide.

Lilac Vine

Common Issues: Aphids, Spider mites, Root rot, Lack of flowering indoors
Solutions: Aphids/Spider mites: Treat with insecticidal soap or neem oil. Root rot: Ensure well-draining soil and avoid overwatering. Lack of flowering: Provide sufficient light and fertilize regularly during the growing season.