Argentine Saguaro, Echinopsis terscheckii, Trichocereus – CactusWarehouse
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Argentine Saguaro Echinopsis terscheckii or Trichocereus terscheckii

(18)
$49.95
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The Echinopsis terscheckii commonly known as the Argentine Saguaro is native to Argentina and drought tolerant. The Argentine Saguaro thrives in hot, arid climates, and produces large white flowers. This cactus has thick ribbed green stems and golden spines, over time can develop multiple arms. Makes for a stunning focal point to any garden or landscape. 

Please note: We offer both cuttings (unrooted pieces that will root over time) and bare-root plants (already rooted, but shipped without soil or pot). Some plants may have minor scars, which are totally normal. Any discoloration at the base especially on rooted plants is from previous healthy growth in soil and is not a sign of damage. Every plant is hand-picked and guaranteed to arrive healthy.

Product Details

Cactus Features

Growth Habit: Tall, upright, thick-ribbed columnar cactus with golden spines
Bloom Season: Spring to summer
Dormancy: Winter
Sun Exposure: Full sun
Soil Needs: Well-draining cactus mix with slightly acidic to neutral pH
Hardiness Zones: Zones 9–11; frost-sensitive
Native To: Northwestern Argentina

Cactus Care

After Arrival
Carefully unpack your cactus as soon as it arrives. This is a rooted plant, so it already has an established root system and can be potted right away in a well-draining cactus mix. Once planted, wait about a week before giving it a light watering to allow it to settle into its new environment.

Sunlight Introduction
If your cactus was boxed for shipping, let it adjust in bright, indirect light for a few days before moving it into full sun to prevent any shock or sunburn.

Light
The Argentine Saguaro thrives in full sun. Outdoors is best, but if kept indoors, it needs a bright window with at least 6 hours of direct sunlight daily.

Watering
Stick to the soak-and-dry method. Water thoroughly, then wait until the soil is completely dry before watering again. In winter, reduce watering to once a month or less.

Soil & Pots
Use a gritty cactus mix with excellent drainage. Terracotta pots are ideal, and a drainage hole is a must.

Growth & Repotting
This is one of the fastest-growing large columnar cacti. Repot every 2–3 years, or when it becomes root-bound. After repotting, wait a week before watering.

FAQ

How fast does it grow?
Faster than most columnar cacti, under the right conditions, it can grow several feet over a few years.

Can I grow it indoors?
Yes, but it must receive strong direct light daily. Without enough sun, it may stretch or lean.

Will it bloom?
Mature plants can produce large, night-blooming white flowers, though it usually takes several years.

Does it need fertilizer?
Not required, but you can feed it during the growing season with cactus fertilizer at half strength.

USDA Zone

9, 10, 11

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.

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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