North America Native Plant

Intermediate Fishhook Cactus

Botanical name: Sclerocactus parviflorus intermedius

USDA symbol: SCPAI2

Life cycle: perennial

Habit: shrub

Native status: Native to the lower 48 states  

Synonyms: Echinocactus whipplei Engelm. & J.M. Bigelow var. intermedius (Peebles) L.D. Benson (ECWHI)  âš˜  Sclerocactus intermedius Peebles (SCIN5)  âš˜  Sclerocactus parviflorus Clover & Jotter var. blessingiae W.H. Earle (SCPAB)  âš˜  Sclerocactus parviflorus Clover & Jotter var. intermedius (Peebles) Woodruff & L.D. Benson (SCPAI)  âš˜  Sclerocactus whipplei (Engelm. & J.M. Bigelow) Britton & Rose var. intermedius (Peebles) L.D. Benson (SCWHI)   

Intermediate Fishhook Cactus: A Rare Desert Gem for Your Garden Meet the intermediate fishhook cactus (Sclerocactus parviflorus intermedius), a fascinating little desert dweller that’s as tough as it is charming. This native beauty might just be the perfect addition to your xeriscape garden – if you can source it responsibly, ...

Rare plant alert!

Region: Conservation status by state

Status: S4T3?: Status is uncertain but is somewhere between the following rankings: Inexact rank: ⚘ Subspecies or variety is vulnerable: Either very rare and local throughout its range, found only in a restricted range (even if abundant at some locations), or factors are making it vulnerable to extinction. Typically 21 to 100 occurrences or between 3,000 and 10,000 individuals. ⚘ Apparently Secure: Uncommon but not rare, and usually widespread. Possibly cause for longterm concern. Typically more than 100 occurrences in the state or more than 10,000 individuals ⚘

Intermediate Fishhook Cactus: A Rare Desert Gem for Your Garden

Meet the intermediate fishhook cactus (Sclerocactus parviflorus intermedius), a fascinating little desert dweller that’s as tough as it is charming. This native beauty might just be the perfect addition to your xeriscape garden – if you can source it responsibly, that is.

What Makes This Cactus Special?

The intermediate fishhook cactus is a compact, barrel-shaped perennial that brings serious desert character to any landscape. Don’t let its small stature fool you – this little powerhouse packs a visual punch with its distinctive hooked spines and cheerful spring blooms in shades of yellow to pink.

You might also encounter this plant under various scientific names, as botanists have shuffled it around quite a bit over the years. Its synonyms include Sclerocactus intermedius and several varieties of Sclerocactus whipplei, but don’t let the name game confuse you – it’s all the same delightful desert resident.

Where Does It Call Home?

This native American cactus naturally roams across four southwestern states: Arizona, Colorado, New Mexico, and Utah. It’s perfectly at home in the high desert regions where many other plants would simply give up and call it quits.

Important Conservation Note

Here’s where we need to have a serious chat: the intermediate fishhook cactus has a global conservation status of S4T3?, which puts it in a somewhat precarious position. If you’re interested in growing this beauty, please – and we cannot stress this enough – only obtain plants from reputable nurseries that propagate them legally and sustainably. Wild collection is not only harmful to natural populations but often illegal.

Why Grow Intermediate Fishhook Cactus?

Despite the sourcing challenges, there are compelling reasons to consider this cactus:

  • Exceptional cold hardiness for a desert plant (survives in USDA zones 4-8)
  • Attracts native pollinators like desert bees during its spring flowering period
  • Requires virtually no maintenance once established
  • Perfect for water-wise landscaping
  • Adds authentic southwestern character to rock gardens

Garden Design and Landscape Role

The intermediate fishhook cactus shines brightest in xerophytic and rock garden settings. Its compact size makes it an excellent choice for:

  • Cactus and succulent gardens
  • Desert-themed landscapes
  • Rock gardens with excellent drainage
  • Container gardens (with proper drainage)
  • Accent plantings in xeriscapes

Think of it as the perfect punctuation mark in your desert garden design – small but impactful.

Growing Conditions: Keep It Dry and Bright

Success with intermediate fishhook cactus comes down to mimicking its natural high desert habitat:

  • Sunlight: Full sun is non-negotiable
  • Soil: Extremely well-draining, sandy or rocky soil
  • Water: Minimal – think desert scarce, not garden regular
  • Climate: Thrives in arid conditions with low humidity

Planting and Care Tips

Getting your intermediate fishhook cactus established is surprisingly straightforward:

  • Plant in spring after the last frost
  • Amend heavy soils with coarse sand, gravel, or pumice for drainage
  • Water sparingly – only when soil is completely dry
  • Avoid overhead watering to prevent crown rot
  • No fertilizer needed (seriously, it prefers poor soils)
  • Protect from excessive winter moisture rather than cold

The Bottom Line

The intermediate fishhook cactus is a remarkable native plant that can add authentic southwestern beauty to the right garden setting. Its cold hardiness and low-maintenance nature make it surprisingly adaptable for gardeners outside traditional desert regions. However, its conservation status means responsible sourcing is crucial – this isn’t a plant to impulse-buy from questionable sources.

If you can find responsibly propagated specimens and have the right growing conditions (think sunny, dry, and well-draining), this little cactus can be a rewarding addition to your native plant collection. Just remember: patience with sourcing and respect for wild populations will ensure these desert gems continue to thrive both in gardens and in their natural habitats.

Intermediate Fishhook Cactus

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Caryophyllidae

Order

Caryophyllales

Family

Cactaceae Juss. - Cactus family

Genus

Sclerocactus Britton & Rose - fishhook cactus

Species

Sclerocactus parviflorus Clover & Jotter - smallflower fishhook cactus

Plant data source: USDA, NRCS 2025. The PLANTS Database. https://plants.usda.gov,. 2/25/2025. National Plant Data Team, Greensboro, NC USA