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Mark Tavis

Mark Tavis is the pen name of Plant Blueprint's founder and editor, a plant enthusiast and researcher (not a professional horticulturist). Every guide is built from university extension services, botanical gardens and the ASPCA, with sources linked so readers can check them.

Creeping Thyme Lawn: Is It Worth It? Pros, Cons, Planting

October 16, 2026July 2, 2026 by Mark Tavis
Creeping thyme lawn in full bloom, a purple-pink flowering ground cover carpet growing between stone pavers in full sun

The Lab | Creeping Thyme Lawn Creeping thyme (Thymus species such as mother-of-thyme, red creeping thyme and woolly thyme) is a low, mat-forming, flowering perennial … Read more

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Lily of the Valley: Poisonous to Touch? Care and Meaning

October 19, 2026July 1, 2026 by Mark Tavis
Lily of the valley care showing white bell flowers, pips being planted in shade, and a warning symbol for pet toxicity

The Lab | Convallaria majalis Lily of the valley (Convallaria majalis) is a shade-loving perennial with tiny, sweetly scented white bells in late spring, and … Read more

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ZZ Plant Care: Why Leaves Turn Yellow and How to Fix It

October 21, 2026July 1, 2026 by Mark Tavis
ZZ plant care: a glossy green Zamioculcas zamiifolia in a terracotta pot beside a bright window

The Lab | ZZ Plant Care The ZZ plant (Zamioculcas zamiifolia) earns its reputation as one of the toughest houseplants: it tolerates low light, dry … Read more

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Forget-Me-Not Care: How to Grow Them (and Stop the Spread)

October 26, 2026July 1, 2026 by Mark Tavis
How to care for forget me nots: a drift of blue Myosotis flowers with yellow eyes blooming in a partly shaded spring garden

The Lab | Forget-Me-Not Care Forget-me-nots might be the easiest flower you will ever grow and the hardest one to get rid of. Sow a … Read more

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Nerve Plant Care: Why It Loves Humidity (and Terrariums)

October 23, 2026June 29, 2026 by Mark Tavis
Nerve plant care: a Fittonia albivenis with deep green leaves and bright pink veins growing in bright indirect light

The Lab | Nerve Plant Care The nerve plant (Fittonia albivenis) is a small, creeping houseplant with leaves netted in white, pink or red veins. … Read more

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Purple Passion Plant Care: How to Keep It Purple

October 21, 2026June 29, 2026 by Mark Tavis
Purple passion plant care: a Gynura aurantiaca with velvety purple-haired leaves in a hanging basket in bright indirect light

The Lab | Purple Passion Plant Care Looking for the passionflower vine (Passiflora) or passion fruit? This guide is about the velvet houseplant Gynura aurantiaca. … Read more

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How to Bottom Water Plants (and Why to Top Water Too)

October 22, 2026June 28, 2026 by Mark Tavis
How to bottom water plants without overwatering: a potted houseplant absorbing water from a shallow tray through its drainage holes

The Lab | How to Bottom Water Plants Bottom watering means letting a pot drink from below: you set it in a saucer or bowl … Read more

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Poinsettia Care: Watering, Light and Getting It to Turn Red

October 21, 2026June 27, 2026 by Mark Tavis
Poinsettia care: a healthy red poinsettia (Euphorbia pulcherrima) with bright red bracts in indirect light

The Lab | Poinsettia (Euphorbia pulcherrima) Poinsettia care is easier than its throwaway reputation suggests: a bright spot away from cold drafts, water only when … Read more

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Areca Palm Care Guide: Light, Water and Real Benefits

October 21, 2026June 26, 2026 by Mark Tavis
Areca palm care: a healthy indoor areca palm (Dypsis lutescens) with arching green fronds in bright indirect light

The Infirmary | Care Protocol Areca palm (Dypsis lutescens) grows best indoors in bright indirect light near an east, west or south window, in soil … Read more

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Data-driven botanical protocols and scientific troubleshooting for the modern grower. We simplify plant biology into actionable blueprints for high-performance urban gardening.

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