Tajinaste rojo, Tower of jewels

echium wildpretii

Also known as: ["Red Tajinaste","Tower of Jewels"]

Family: Boraginaceae Genus: Echium Category: Flowers

Overview

A striking biennial plant native to the Canary Islands, known for its tall, conical inflorescence covered in red flowers.

Benefits & Perks

["long-flowering","drought tolerant","wildlife attractant (bees, butterflies, birds)"]

Botanical Classification

Phylum: Magnoliophyta
Class: Magnoliopsida
Order: Boraginales
Family: Boraginaceae
Genus: Echium
Botanical Name: Echium wildpretii

Plant Characteristics

Basic Information
  • Category: Flowers
  • Suitable Location: rock garden, raised bed, or container with excellent drainage
  • Suitable For:
    Collectors & Enthusiasts Outdoor Landscapers Wildlife Supporters
  • Is Weed: No
  • Allergenicity: low
Environmental Needs
  • Climate: {"temperatureRange":"5–25°C"}
  • Hardiness: {"zones":"7–9"}
  • Misting: rarely required, only if ambient humidity is very low
  • Drainage: Fast-draining; must avoid waterlogged conditions.
  • Soil Type: Well-draining, gritty soil with some organic matter; cactus mix or succulent soil is ideal.
Maintenance Level
  • Maintenance Level: moderate
  • Toughness Level: moderate
  • Pruning Frequency: As needed; after flowering or when offsets are to be removed.
  • Pruning Intensity: Light to moderate; avoid heavy pruning as it can stress the plant.
Care Details

Ideal Sunlight Coverage:
Full sun (6–8 hours/day); tolerates partial shade but blooms best in direct sunlight. Adjust in extreme heat to prevent scorching.

Sunlight Tolerance Tips:
Acclimate gradually to intense sunlight; protect from harsh midday sun in hot climates; place in a spot with morning sun and afternoon shade if needed.

Warning Signs: Yellowing leaves, root rot, or stunted growth indicate poor drainage or incorrect soil conditions.

Care Requirements

Care Difficulty
moderate

moderate

Sunlight

full sun

Rotate plant for even light exposure; use shade cloth in peak summer; avoid drafty windows.

Watering

every 7–10 days during active growth, reduce in winter

Water thoroughly but infrequently; ensure soil dries between waterings; avoid overhead watering to prevent fungal issues.

Soil

well-draining, gritty soil with low organic matter

pH: Slightly acidic to neutral (pH 6.0–7.0).

Use a mix of cactus soil and perlite; avoid heavy clay soils; ensure pots have drainage holes.

Temperature

Prefers cool to moderate temperatures (50–75°F/10–24°C); thrives in cooler climates; sensitive to extreme heat.

Avoid sudden temperature changes; protect from drafts; maintain consistent temperatures for optimal growth.

Fertilizing

every 4–6 weeks during growing season, none in winter

Fertilize sparingly to avoid excessive foliage growth; apply after watering to prevent root burn; stop in fall/winter.

Propagation

Methods

Seeds or basal offsets; seeds are the primary method as the plant is monocarpic (dies after flowering).

Step-by-Step Propagation Guide
  1. Sow seeds shallowly.
  2. Keep moist.
  3. Transplant offsets when they have several leaves.
  4. Provide support as they grow tall.

Best Time: Spring, after flowering or when offsets appear; seeds should be sown in late winter/early spring.

Environment

Warm (65–75°F/18–24°C), bright indirect light, high humidity (60–70%) for offsets; direct sunlight for seedlings.

Medium

Well-draining seed starting mix or cactus mix; for offsets, use a mix of perlite and peat.

Hormone

Not necessary for seeds; rooting hormone can help with offsets but is optional.

Timeline

Seeds germinate in 2–4 weeks; offsets root in 4–6 weeks; plants take 2–3 years to mature and flower.

Tools Needed

Seed trays, pots, well-draining mix, misting bottle, labels.

Quick Tips

Use fresh seeds for best germination; protect seedlings from strong winds; stake tall offsets early.

Pruning & Repotting

Pruning Guide
Method

Use clean cuts; remove only dead or damaged parts; cut just above a leaf node or bud.

Pruning Plan

Minimal pruning; focus on removing dead or damaged foliage; may need to cut back after flowering if offsets are to be propagated.

Tools

Pruning shears, sterilizing solution, gloves.

Checklist

Sterilize tools; prune dead/damaged parts; avoid over-pruning; clean up debris.

Repotting Guide
Best Season

Spring, before active growth begins; for offsets, repot when they are well-established.

Pot Size

Use a pot one size larger for offsets; ensure it has drainage holes.

Method

Gently separate offsets; use fresh, well-draining soil; ensure good drainage; water lightly after repotting.

Suggestions

Repot only if offsets are to be separated or if the plant is root-bound; Echium wildpretii is monocarpic and typically not repotted once mature.

Checklist

Prepare new pot; gently remove plant; trim roots if necessary; use fresh soil; water lightly.

Advanced Care Tips

Watering Mastery
Watering Checklist

Check soil moisture; water deeply; ensure drainage; avoid wet foliage.

How to Apply Water Properly

Water directly at the root zone until water drains from the bottom; ensure even moisture without waterlogging; water in the morning to allow foliage to dry.

Pro Tip: Use a watering can with a long spout to direct water precisely to the base of the plant.
Watering Schedule Tips

Water deeply once the top 1–2 inches of soil are dry; reduce frequency in winter to prevent root rot. Adjust based on rainfall and humidity.

Soil Improvement

Add perlite, sand, or pumice to improve drainage; incorporate compost for organic matter; ensure soil is loose and airy.

Temperature Stress Management
Signs of Temperature Issues

Chlorosis, wilting, bud drop, or stunted growth in extreme heat; leaf drop or root rot in cold or damp conditions.

Cold Stress

Slows growth; may cause root damage or death if exposed to prolonged freezing temperatures; prefers frost-free conditions.

Solution: Protect from frost with a frost cloth; ensure good drainage to prevent waterlogging; move potted plants indoors in cold weather.

Hot Stress

Leaves may wilt, scorch, or drop; flowering may be reduced; growth may slow or stop.

Solution: Provide partial shade during peak heat; increase humidity with misting; water deeply but avoid overwatering.

Fertilizing Guide
Fertilizing Checklist

Use diluted fertilizer; apply during growing season; avoid winter feeding.

Fertilizing Method

Use a balanced, low-nitrogen fertilizer diluted to half strength; fertilize monthly during active growth (spring/summer); avoid fertilizing in winter.

Common Problems & Solutions

Yellowing leaves in Echium wildpretii may indicate nutrient deficiencies, particularly nitrogen, iron, or magnesium, or could be a sign of water stress, either from overwatering or underwatering.

Wilting in Echium wildpretii is often a response to water stress, either due to insufficient soil moisture or root damage from overwatering, leading to reduced turgor pressure in plant cells.

Leaf spots on Echium wildpretii may be caused by fungal pathogens like Alternaria or Cercospora, leading to reduced photosynthetic efficiency and potential defoliation if left untreated.

Rotting, particularly root or stem rot, can occur in Echium wildpretii if the soil is excessively moist or poorly drained, leading to fungal infections such as Pythium or Fusarium, which cause decay and eventual plant death.

Toxicity Warning

Cats
Slightly Toxic

Cats are susceptible to liver damage from the pyrrolizidine alkaloids present in Echium wildpretii. Even small amounts can be harmful over time.

⚠️ Symptoms:
vomiting depression anorexia liver failure
🌿 Toxic Parts:
seeds leaves
⚡ Toxic If:

if eaten

Prevent cats from accessing the plant. Seek veterinary care if ingestion is suspected.
Dogs
Slightly Toxic

The pyrrolizidine alkaloids in Echium wildpretii can lead to liver toxicity in dogs if consumed. Chronic exposure may result in severe health issues.

⚠️ Symptoms:
vomiting lethargy loss of appetite jaundice
🌿 Toxic Parts:
seeds leaves
⚡ Toxic If:

if eaten

Keep plants out of reach of dogs. If ingestion is suspected, consult a veterinarian immediately.
Humans
Slightly Toxic

Echium wildpretii contains pyrrolizidine alkaloids, which can cause liver damage if ingested in significant quantities. The toxic effects are cumulative and may not manifest immediately.

⚠️ Symptoms:
nausea vomiting abdominal pain liver damage
🌿 Toxic Parts:
seeds leaves
⚡ Toxic If:

if eaten

Avoid ingestion. Keep away from children and pets. Handle with care, especially when harvesting or pruning.
Important: Keep this plant out of reach of children and pets. If ingestion occurs, contact poison control or veterinary services immediately.

Frequently Asked Questions

Q: Is Echium wildpretii a perennial or biennial plant?

A: It is a biennial plant, meaning it typically completes its life cycle over two years.

Q: Does Echium wildpretii require full sun?

A: Yes, it thrives in full sun and well-drained soil.

Q: Can Echium wildpretii be grown in containers?

A: While possible, it is best suited for open ground due to its height and root system.

Quick Reference
Family: Boraginaceae
Care: moderate
Light: full sun
Water: every 7–10 days during activ
Suitable For: ["collectors/enthusiasts","outdoor landscapers","wildlife supporters (attracts bees, butterflies, birds)"]
Get Expert Care Tips

Download the Plantious app for personalized care reminders and plant identification!

Google Play App Store
Share This Plant

Related Plants

Forest Cordia
View
Mauve Bugloss
View
Broadleaf Forget-me-not
View
Meadow Bugloss
View