The collecto.rs Blog

Piping-hot tea for collectors.

Field notes on tracking, organizing, and growing a collection — plus the occasional hot take on what “rare” really means.

CDs

The 10 Hardest CDs to Find

Scarcity on compact disc is rarely about age. It comes down to regional pressings, niche pressings, and physical batches that quietly vanished.

Aug 17, 202620 min read
Books

The 10 Hardest Books to Find

Scarcity in print is rarely about age or price. Here is why these ten volumes evade even the most disciplined book hunters.

Aug 14, 202620 min read
Board Games

The 9 Hardest Board Games to Find

True scarcity in board games comes from licensing dead ends, short print runs, and regional distribution limits. Here are ten titles collectors actively chase.

Aug 11, 202617 min read
Birdwatching

The 10 Hardest Birds to Find

Discover the true field challenges behind birding's most elusive species, where genuine scarcity and specialized habits outweigh simple market price.

Aug 11, 202619 min read
Anime

10 Essential 1970s Anime

Explore ten iconic titles from the 1970s that defined anime's artistic evolution, narrative depth, and thematic range.

Aug 9, 202612 min read
Journal

2026 Plant Trade Show Index

Here’s your 2026 Plant Trade Show Index — a handy grid of notable plant- and horticulture-focused expos happening across the USA so you can start planning…

Jan 7, 20263 min read
Journal

Maximizing Sales and Buyer Interest at Your Next Plant Expo

You’ve watered. You’ve propagated. You’ve hauled 40 pounds of plants into a convention hall that smells like coffee, mulch, and mild financial regret. Now…

Jan 7, 20265 min read
Journal

How to Organize Your Plant Collection

Congratulations! You’ve officially crossed the threshold from “I like plants” to “I own enough greenery to reforest a small nation.” And now you’re here,…

Dec 5, 20254 min read
Education

Beginner’s Guide to Plant Taxonomy

Welcome to the world of plant taxonomy — where names sound like Harry Potter spells, and “variegated” is a word that can add three zeros to a price tag.

Nov 7, 20255 min read
Journal

10 Mistakes That Plant Collectors Make (and How to Avoid Them)

Let’s be honest: plant collecting is supposed to be fun. But somewhere between your first monstera purchase and your first rare, variegated philodendron…

Nov 4, 20257 min read
Journal

Before You Buy A Rare Plant

A “rare” plant isn’t always rare—sometimes it’s just marketed well. Real collectors verify, document, and grow their collections sustainably.

Oct 24, 20254 min read
Best Apps

Best Apps to Track Your Plant Collection in 2025

If you want one app focused around tracking your plants with a beautiful UI (and to lord it over your plant-obsessed friends), collecto.rs is your champion. It blends beauty, flexibility, and the ability to share filtered views better than anything else I’ve tested on this list.

Oct 17, 20257 min read

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The collecto.rs Blog