Guadalupe Cypress

cupressus guadalupensis

Also known as: ["Guadalupe Cypress","Guadalupe False Cypress"]

Family: Cupressaceae Genus: Cupressus Category: Trees

Overview

A rare, evergreen conifer native to Guadalupe Island, Mexico, with a columnar growth habit and scale-like foliage.

Benefits & Perks

["aesthetic foliage","rare/collector’s item","wildlife attractant (bees, butterflies, birds)"]

Botanical Classification

Phylum: Pinophyta
Class: Pinopsida
Order: Pinales
Family: Cupressaceae
Genus: Cupressus
Botanical Name: Cupressus guadalupensis

Plant Characteristics

Basic Information
  • Category: Trees
  • Suitable Location: outdoor garden in a sunny, sheltered spot
  • Suitable For:
    Collectors & Enthusiasts Outdoor Landscapers Wildlife Supporters
  • Is Weed: No
  • Allergenicity: low
Environmental Needs
  • Climate: {"temperatureRange":"5–35°C"}
  • Hardiness: {"zones":"8–10"}
  • Misting: rarely required, only if ambient humidity is very low
  • Drainage: Fast-draining to prevent root rot.
  • Soil Type: Well-draining, slightly acidic to neutral soil mix, such as cactus or succulent mix with added organic matter.
Maintenance Level
  • Maintenance Level: moderate
  • Toughness Level: moderate
  • Pruning Frequency: Annually in late winter or early spring before new growth begins.
  • Pruning Intensity: Moderate; remove up to one-third of old growth if needed.
Care Details

Ideal Sunlight Coverage:
Full sun (6–8 hours of direct sunlight daily); tolerates partial shade but may become leggy.

Sunlight Tolerance Tips:
Acclimate gradually if moving from shade to sun; protect from intense midday sun in hot climates; ensure good air circulation to prevent fungal issues.

Warning Signs: Yellowing or browning needles, root rot, or stunted growth indicate poor soil or drainage issues.

Care Requirements

Care Difficulty
moderate

moderate

Sunlight

full sun

Avoid sudden light changes; use shade cloth in extreme heat; rotate plant for even growth.

Watering

every 7–14 days, allowing soil to dry between waterings

Water thoroughly until runoff, ensure good drainage, and avoid frequent shallow watering.

Soil

well-draining, sandy loam

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

Avoid heavy clay soils; ensure pots have drainage holes; topdress with mulch to retain moisture.

Temperature

Prefers mild temperatures (50–75°F or 10–24°C); tolerates cooler temperatures but avoid frost.

Avoid sudden temperature swings; protect from frost; ensure good air circulation in heat.

Fertilizing

every 3 months with slow-release fertilizer during active growth

Fertilize only when actively growing; avoid over-fertilization to prevent root burn; water before and after feeding.

Propagation

Methods

Stem cuttings taken from semi-hardwood growth.

Step-by-Step Propagation Guide
  1. Take 4–6 inch cuttings.
  2. Remove lower leaves.
  3. Dip in rooting hormone.
  4. Plant in medium.
  5. Maintain humidity.

Best Time: Late spring to early summer when new growth is developing.

Environment

High humidity (70–80%), warm temperatures (65–75°F or 18–24°C), and indirect light.

Medium

Well-draining mix of peat and perlite or cactus mix.

Hormone

Rooting hormone is recommended to improve success rates.

Timeline

Roots may develop in 4–8 weeks; establishment can take several months.

Tools Needed

Pruning shears, rooting hormone, propagation tray, humidity dome, well-draining medium.

Quick Tips

Use sharp, sterile tools; maintain consistent moisture; provide bottom heat if possible.

Pruning & Repotting

Pruning Guide
Method

Selective thinning and heading back to maintain natural form.

Pruning Plan

Prune to maintain shape, remove dead/diseased wood, and encourage denser growth.

Tools

Pruning shears, loppers, saw (for larger branches), sterilizing solution.

Checklist

Sterilize tools; prune dead/diseased wood first; make clean cuts; avoid over-pruning.

Repotting Guide
Best Season

Early spring before active growth starts.

Pot Size

Increase pot size by 2–3 inches in diameter.

Method

Remove plant gently; trim roots if necessary; repot in fresh, well-draining soil with a slightly larger pot.

Suggestions

Repot every 2–3 years or when roots fill the container; beneficial for root health and growth.

Checklist

Check root bound status; prepare new pot with drainage; trim damaged roots; use fresh soil.

Advanced Care Tips

Watering Mastery
Watering Checklist

Check soil moisture before watering; water deeply; ensure drainage; adjust frequency by season.

How to Apply Water Properly

Water at the base of the plant, ensuring moisture reaches the root zone; water early in the morning to minimize evaporation and allow foliage to dry.

Pro Tip: Use a soaker hose to deliver water directly to the roots, reducing waste and fungal risk.
Watering Schedule Tips

Water deeply once every 7–10 days during spring and summer; reduce frequency to every 2–3 weeks in fall and winter, allowing soil to dry partially between waterings.

Soil Improvement

Add perlite or coarse sand for drainage; incorporate compost for fertility; ensure good aeration.

Temperature Stress Management
Signs of Temperature Issues

Chlorosis, needle drop, or browning of foliage; stunted growth in extreme heat or cold.

Cold Stress

Leaves may turn brown or drop; growth slows or halts; risk of root damage in freezing conditions.

Solution: Protect with frost cloth or mulch; avoid overwatering in cold; move to a sheltered location if possible.

Hot Stress

Wilting, scorched foliage, or needle drop; reduced vigor in prolonged heat.

Solution: Provide afternoon shade; increase watering frequency; use mulch to retain soil moisture.

Fertilizing Guide
Fertilizing Checklist

Check growth stage; use appropriate fertilizer; follow dilution instructions; avoid feeding dormant plants.

Fertilizing Method

Use a balanced, slow-release fertilizer in early spring; avoid fertilizing in late fall or winter.

Common Problems & Solutions

Yellowing leaves in Cupressus guadalupensis may indicate nutrient deficiencies, water stress, or pest infestations, potentially affecting photosynthesis and overall plant health.

Wilting in Cupressus guadalupensis is often a sign of water stress, either due to drought or overwatering, which can lead to reduced nutrient uptake and potential root damage.

Leaf spots on Cupressus guadalupensis may be caused by fungal or bacterial pathogens, resulting in reduced photosynthetic efficiency and potential defoliation if left untreated.

Rotting, particularly root rot, can occur in Cupressus guadalupensis due to excessive moisture or fungal infections, leading to decay of root systems and eventual plant decline.

Toxicity Warning

Cats
Slightly Toxic

Cats may experience mild gastrointestinal upset and allergic reactions if they ingest parts of Cupressus guadalupensis. The plant is not highly toxic to cats, but ingestion should be avoided to prevent discomfort.

⚠️ Symptoms:
vomiting diarrhea lethargy excessive drooling
🌿 Toxic Parts:
seeds needles bark
⚡ Toxic If:

if eaten

Prevent cats from accessing the plant. If ingestion is suspected, seek veterinary advice promptly.
Dogs
Slightly Toxic

In dogs, ingestion of parts of Cupressus guadalupensis can lead to mild gastrointestinal upset and potential allergic reactions. The toxicity is generally low, but caution is advised, especially in small or sensitive breeds.

⚠️ Symptoms:
vomiting diarrhea lethargy loss of appetite
🌿 Toxic Parts:
seeds needles bark
⚡ Toxic If:

if eaten

Keep pets away from the plant. If ingestion occurs, consult a veterinarian for guidance.
Humans
Slightly Toxic

Cupressus guadalupensis contains compounds that can cause mild gastrointestinal distress and allergic reactions in humans. The toxic effects are generally not severe but can be uncomfortable, particularly if consumed in large quantities.

⚠️ Symptoms:
nausea vomiting diarrhea abdominal pain skin irritation
🌿 Toxic Parts:
seeds needles bark
⚡ Toxic If:

if eaten

Avoid ingestion of any parts of the plant. Wash hands thoroughly after handling to prevent skin irritation.
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 Guadalupe Cypress rare?

A: Yes, it is a rare species native to Guadalupe Island, Mexico.

Q: Does it attract wildlife?

A: Yes, it can attract bees, butterflies, and birds.

Q: What are its care requirements?

A: It requires moderate care, including well-drained soil and full sun.

Quick Reference
Family: Cupressaceae
Care: moderate
Light: full sun
Water: every 7–14 days, allowing so
Suitable For: ["collectors/enthusiasts","outdoor landscapers","wildlife supporters (attracts bees, butterflies, birds)"]
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