Brazillian Blue Columnar (Pilosocereus pachycladus) | Exotic Cacti – CactusWarehouse
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Blue Torch Cactus Pilosocereus Pachycladus

(32)
$39.95
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Blue Torch Cactus (Pilosocereus pachycladus)

A striking columnar cactus known for its powdery blue skin and golden spines. Native to Brazil, this cactus grows tall and architectural, making it a centerpiece for xeriscapes, patios, or modern indoor collections. As it matures, it produces vibrant white night-blooming flowers that attract pollinators.

Growth Habit: Tall columnar Bloom Season: Summer nights Dormancy: Winter Sun Exposure: Full sun Soil Needs: Fast-draining cactus mix Hardiness Zones: 9b–11 Native To: Brazil

What you’ll receive:

Choose from cuttings or rooted plants, available in sizes ranging from 6 inches to 45 inches. Each cactus is carefully hand-selected, shipped bare-root or as a fresh cutting, and ready for transplanting into your own fast-draining soil blend.

After Arrival:

Carefully unpack your cactus as soon as it arrives. If it’s a cutting, don’t be alarmed if the base looks dry, that’s completely normal. Cuttings are fresh segments taken from mature plants that don’t yet have roots. They need time to callous over, so let them rest in a dry, shaded spot for a few weeks before planting in cactus soil. Avoid watering during this period, as moisture too soon can lead to rot. If you received a rooted plant, it already has a developed root system and can be potted right away. Once planted, wait about a week before giving it a light watering to help it settle into its new environment.

Transplant Tips:

Plant in a pot or directly in the ground with a fast-draining soil mix that includes pumice, perlite, or coarse sand. Ensure your container or planting site has excellent drainage to prevent rot. Position in full sun for best color and growth. Water deeply but infrequently, letting the soil dry completely between waterings.

Product Details

Cactus Features

Growth Habit: Upright, columnar cactus with ribbed blue-green stems and golden spines
Bloom Season: Summer (with night-blooming flowers on mature plants)
Dormancy: Winter
Sun Exposure: Full sun preferred; partial shade in extreme heat
Soil Needs: Well-draining cactus mix with a slightly acidic to neutral pH
Hardiness Zones: Best in Zones 9–11; frost-sensitive
Native To: Mexico

Cactus Care

After Arrival
Carefully unpack your cactus as soon as it arrives.

If it’s a cutting, don’t be alarmed if the base looks dry, that’s completely normal. Cuttings are fresh segments taken from mature plants that don’t yet have roots. They need time to callous over, so let them rest in a dry, shaded spot for a few weeks before planting in cactus soil. Avoid watering during this period, as moisture too soon can lead to rot.

If you received a rooted plant, it already has a developed root system and can be potted right away. Once planted, wait about a week before giving it a light watering to help it settle into its new environment.

Sunlight Introduction
Let it acclimate in bright, indirect light for a few days before moving it into direct sun. This helps prevent sunburn and shock.

Light
This cactus thrives in full sun outdoors. Indoors, it’ll need a bright spot with at least 6 hours of direct sunlight daily to stay upright and vibrant.

Watering
Use the soak-and-dry method. Water thoroughly, then wait until the soil is completely dry before watering again. In winter, reduce watering significantly. This cactus hates soggy roots.

Soil & Pots
Use a fast-draining cactus mix, gritty and lean. Terracotta pots are ideal, and always make sure there’s a drainage hole.

Growth & Repotting
Blue Torch is a faster grower than most columnar cacti and can gain several inches a year. Repot every 1–2 years or when it becomes root-bound. After repotting, wait about a week before watering.

FAQ

How tall does the Blue Torch Cactus get?

In the right conditions, it can reach 15–30 feet tall outdoors, though it grows more modestly in containers.

Is this cactus cold hardy?

It tolerates down to about 25–30°F for short periods but should be protected from frost. Best grown in USDA Zones 9b–11.

What’s the difference between a cutting and a rooted plant?

A cutting is a segment without roots that you’ll root yourself, while a rooted plant already has an established root system and is ready to grow.

Can I grow this cactus indoors?

Yes, provided it gets very bright light. Outdoors in warm zones, it thrives in full sun and grows much faster.

When will it flower?

Mature plants produce large white flowers in summer, usually opening at night.

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Shipping & Guarantee

At Cactus Warehouse, we take pride in shipping the healthiest, hand-selected cacti straight from our nursery in Fallbrook, CA. All our cacti are hardgrown and carefully checked to ensure you get the best.

  • Schedule: Orders ship on Mondays, Tuesdays, and Thursdays.
  • Delivery Time: Most orders arrive within 3–5 business days once shipped.
  • Rates: Free nationwide shipping on all orders.
  • Carriers: We ship via UPS and USPS with full tracking

  • Safe Packaging: Each cactus is wrapped in protective kraft paper to reduce movement. During cold weather, you have the option to add heat packs to keep your plants safe.
  • Care Instructions: Every package includes simple, step-by-step care instructions so you know exactly what to do after arrival.
  • 30-Day Happiness Guarantee: If your cactus doesn’t arrive healthy and happy, we’ll make it right. Email us at info@cactuswarehouse.com and we’ll take care of you.

Customer Reviews

Based on 32 reviews
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M
Michelle
Stunning

After receiving my 1st Blue Torch from this company I had to have another. 2 words “Breathe taking.” Not a scar nor flaw on this cactus.

M
Michelle C
Amazing Blue!!!! Gorgeous

Received my Blue torch today & Oh My God!!! It’s more beautiful than what I imagined. It stands about 19 inches tall & no scars. This is my first time ordering from cactus warehouse and definitely will be ordering from this company again.

A
Andrew Marshall
Beautiful cutting

I am always nervous about cuttings, but never from Cactus Warehouse. Plants arrive in gorgeous condition and root readily. Plus customer support id always extremely helpful. Many thanks!

J
Jermaine

I was so pleased with this cactus. The day this one came in I purchased another one the same day. Five stars all the way.

k
kristina

A good healthy cutting, arrived with care. Very fast shipping. Great service.

Plants Picked With Love

Hi, we're Lisa and Takashi! We started Cactus Warehouse because we care about creating a great experience for people like you.

We know how important it is to get a cactus that's healthy and ready to thrive. Thats's why we take the time to choose and pack each plant with care, making sure it arrives in perfect shape.

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