💙 Looking Glass Brunnera

What it looks like

Why this variety

Looking Glass is the brunnera that took silvering to its logical end: leaves that are nearly all silver, with only the veins and a thin green margin left to prove the leaf is alive. The effect is startling — a clump in shade looks like a puddle of moonlight, and the sky-blue spring flowers float above it like a second sky. It is a sport of Jack Frost, selected for even more silver, and it is the variety shade-garden collectors ask for by name.

The trade-off is the same as Silver Heart’s, sharpened: a nearly all-silver leaf has less chlorophyll to feed the plant, so Looking Glass grows a little more slowly and sulks a little more readily in heat, drought, or sun than its greener cousins. Give it rich, moist soil, deep shade, and steady water, and it will be the brightest plant in the garden. Give it a tough spot, and it will tell you plainly that you chose wrong.

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. Looking Glass is a perfect example: it is not just a brunnera in the abstract, it is a brunnera with a specific job, a specific history, and specific strengths.

Florida honesty, stated plainly: brunnera is a North Florida shade trial, not a statewide promise, and Looking Glass is a collector’s trial within that trial — the brightest silver, and the least forgiving of heat. In North Florida, plant it in the coolest shade, in soil that stays damp, and water through every dry spell. South of the Panhandle, admire it in photographs and plant something heat-proof instead.

How to grow

Plant in spring or fall in rich, moist soil in part to full shade — brunnera is a woodland plant that wants leaf-mold soil, consistent moisture, and protection from hot sun. Work worm castings and compost into the bed at planting, mulch deeply, and site it where the soil stays damp. It tolerates dry soil better than some shade plants once established, but ‘better’ does not mean ‘dry’: in sun or drought it scorches, and its silver leaves show scorch plainly.

Set plants 15-18 inches apart in soil with a pH around 6.0-7.0. Work worm castings into the bed at planting and mulch to hold moisture. A well-fed brunnera plant rewards that care directly: steadier growth, better bloom, and a show that actually shows up.

Water & feeding

Keep soil consistently moist — brunnera scorches in dry soil and hot sun, and its silver leaves show damage plainly. Water at the soil line, mulch deeply, and feed lightly: castings and compost at planting plus a spring top-dress. In a dry spell, water is the care program; a brunnera that dries out does not bounce back to silver that season.

Common problems

• Scorch in sun or drought — browned silver leaves; the fix is shade, moisture, and mulch, applied before damage, not after.
• Slugs and snails on foliage in wet weather — pick at dusk and keep mulch pulled back slightly from crowns.
• Crown rot in waterlogged soil — brunnera wants moist soil, not standing water; improve drainage and do not plant where rain ponds.
• Self-seeding in happy conditions — seedlings appear freely; deadhead if you do not want them, or welcome them as free plants.
• Short life in hot climates — heat shortens brunnera life; in warm zones, treat it as a shade trial with soil that never dries out.

Harvest

Cut a few sprays of forget-me-not flowers for small spring bouquets, when blooms are fully open — brunnera flowers last a few days in water and suit tiny, woodland-style arrangements. The foliage is the longer harvest: silver leaves last all season and can be cut sparingly for foliage arrangements without harming the plant. Deadhead if you do not want seedlings, divide congested clumps in spring or fall every few years, and leave the foliage standing over winter where it is evergreen enough to shelter.

Saving seeds

Looking Glass is a sport of Jack Frost, selected for leaves that are nearly all silver, and named brunnera sports are kept true by division, not by seed — seedlings would not hold the silvering that makes the variety. Divide the clump in spring or fall, plant in rich, moist soil in part to full shade, and keep the soil steadily damp, since nearly all-silver leaves have less chlorophyll and sulk faster in heat, drought, or sun. The Saving seeds section of the Brunnera guide covers seed for the species generally.