🐱 Blue Wonder Catmint

What it looks like

Why this variety

Blue Wonder is the dwarf catmint: a compact mound, about 12 inches tall, covered in deep blue flower spikes from late spring into fall, with the same aromatic foliage and pollinator magnetism as its bigger cousins, in a plant that fits a path edge, a rock garden, or a container. It is the catmint to plant where Walker’s Low would swallow the walk — a true edger that blooms its heart out without needing a haircut every month.

The trade-off is scale: Blue Wonder will not fill a big border, and its small size means it dries out faster in a container than a big catmint in the ground. Give it sun, sharp drainage, and steady water until established, shear lightly after the first flush for rebloom, and plant it in groups of three or five for a drift that reads from a distance. A single dwarf catmint alone in a big bed looks lost; a drift looks intentional.

If you are new to choosing between cultivars, the Varieties Matter guide explains why the name after the plant matters as much as the plant itself. Blue Wonder is a perfect example: it is not just a catmint in the abstract, it is a catmint with a specific job, a specific history, and specific strengths.

Florida honesty: catmint is a North and Central Florida trial, not a South Florida perennial, and Blue Wonder’s container-friendly size makes it a good Florida trial — a pot with sharp drainage on a sunny patio is a controlled experiment, not a gamble on garden soil. In North Florida it performs as a long-blooming perennial; in Central Florida, give it sun and drainage, shear after bloom, and replace after a wet summer if it declines.

How to grow

Plant in spring or fall in full sun and sharply drained, even lean soil — catmint is a sun-and-drainage plant that rots in rich, wet soil faster than it starves in poor soil. Work a little worm castings into the bed at planting, do not overfeed it, and space for air. Shear back by half after the first flush of bloom, and it will rebloom into fall. Do not plant it in shade and expect a cloud; catmint in shade is a rumor, not a plant.

Set plants 12-15 inches apart in soil with a pH around 6.0-7.5. Work worm castings into the bed at planting and mulch to hold moisture. A well-fed catmint plant rewards that care directly: steadier growth, better bloom, and a show that actually shows up.

Water & feeding

Water to establish, then water sparingly — catmint is drought-tolerant once established and rots in wet soil, so the watering mistake is almost always overwatering. Water at the soil line, do not mulch heavily, and feed lightly: castings at planting is usually enough, because rich soil makes floppy catmint instead of tidy catmint.

Common problems

• Flopping open in the middle — rich soil, shade, or no shearing causes sprawl; shear back by half after the first flush.
• Rot in wet soil — catmint’s killer in humid climates; plant in sharp drainage or raised beds and do not overwater.
• Cats rolling in it — nepetalactone attracts cats; plant it where a flattened catmint will not ruin a formal edge, or fence it while young.
• Powdery mildew in humid, crowded plantings — space for air, water at the soil line, and remove affected leaves.
• Short life in hot, wet summers — heat plus wet soil shortens catmint life; in warm zones, treat it as a trial in sharp drainage.

Harvest

Cut stems for small bouquets from late spring into fall, when spikes are fully colored — catmint lasts a few days in water and its lavender-blue suits loose, cottage-style arrangements. Shear back by half after the first flush for rebloom, dry a few stems for sachets (the mint-sage scent holds well), and divide congested clumps in spring or fall every few years. Cats will claim any cut stems left within reach, so dry them behind a closed door.

Saving seeds

Blue Wonder is a dwarf cultivar, so seed saved from it won’t come true — divide or take cuttings instead. The Propagation section of the Catmint guide covers how the species is propagated.