Mature size & growth rate

How big does Silver Mound Artemisia (Artemisia schmidtiana 'Nana') get?

Also called Silver Mound, Silver Mound artemisia, silky wormwood.

More about silver mound artemisia

About Silver Mound Artemisia

Artemisia schmidtiana 'Nana' · also called Silver Mound, Silver Mound artemisia · flowering

Silver Mound is a compact ornamental wormwood grown for its soft, feathery, silvery-silken foliage that forms a neat cushion-like dome. Its insignificant flowers are secondary to the shimmering leaf texture, which contrasts beautifully in borders and edging. A sun-loving, drought-hardy perennial, it demands sharp drainage and lean soil, and tends to split open in rich or moist ground.

Mature size: 20-30 cm tall and 30-45 cm wide.

Watch for — Floppiness from over-feeding: Fertile soil and feeding cause loose, sprawling growth. Grow it hungry in poor ground and skip fertiliser to keep it compact.

Indoor size vs how big it gets in the wild

Silver Mound Artemisia grows into a room-scaled plant of roughly 20-30 cm tall and 30-45 cm wide. — bigger than a tabletop plant, but not a tree. Indoors and in a pot, expect 20-30 cm tall and 30-45 cm wide.. A pot, your light levels and a little pruning are what set the final size in a home, far more than the plant's theoretical potential.

It builds steadily in both height and spread to a medium, manageable size, filling a pot and a corner over a few years.

Growth rate and years to mature

Silver Mound Artemisia is a moderate grower. Realistically, expect three to six years to reach mature indoor size, gaining a steady amount each growing season. Its feeding profile backs this up: avoid feeding. this plant performs best in poor soil; fertiliser produces lush, floppy growth that splits open at the centre. a thin grit mulch is preferable to compost.

Want this turned into the right next pot at the right moment? The pot size calculator and the silver mound artemisia repotting guide cover when and how much to size up — pot size is one of the biggest levers on how fast silver mound artemisia grows.

How to keep silver mound artemisia smaller

You are not stuck with the maximum size. For silver mound artemisia specifically, these are the levers, in order of impact:

Prune the tallest or longest growth back to a node to hold silver mound artemisia at the size you want.
Keep it slightly pot-bound and feed sparingly to cap the overall size.
Remove the largest or oldest leaves to keep the footprint in check.

How to grow silver mound artemisia bigger or faster

If you want it to fill the space sooner, push the conditions rather than hoping — for silver mound artemisia the accelerators are:

It already has good light; a yearly pot-up plus spring-summer feeding drives the fastest growth.
Pot up a size every year or two while it is establishing.
Feed and water consistently through the growing season for steady, faster size gain.

Light is almost always the ceiling. The silver mound artemisia light requirements page covers exactly how bright a spot it needs to grow at its potential instead of stalling.

When silver mound artemisia outgrows the room (or the pot)

"Too big" usually arrives as one of these signs for silver mound artemisia:

It crowds the shelf or corner it lives in and starts leaning for light.
Roots circling the pot base or escaping the drainage holes.
It needs a noticeably bigger pot every year — a sign to pot up, divide, or prune.

If it is the pot rather than the room, it is a repotting job, not a goodbye — see the silver mound artemisia repotting guide. If you want more of this plant instead of a bigger one, the silver mound artemisia propagation guide turns prunings into new plants.

Silver Mound Artemisia size — frequently asked questions

How big does silver mound artemisia get?

Silver Mound Artemisia reaches 20-30 cm tall and 30-45 cm wide. when grown indoors. It builds steadily in both height and spread to a medium, manageable size, filling a pot and a corner over a few years.

Is silver mound artemisia slow or fast growing?

Silver Mound Artemisia is a moderate grower. Expect three to six years to reach mature indoor size, gaining a steady amount each growing season. Silver Mound Artemisia grows into a room-scaled plant of roughly 20-30 cm tall and 30-45 cm wide. — bigger than a tabletop plant, but not a tree.

How long does silver mound artemisia take to reach full size?

Roughly three to six years to reach mature indoor size, gaining a steady amount each growing season. Light, pot size and feeding move that timeline more than anything else.

How do I keep silver mound artemisia smaller?

Prune the tallest or longest growth back to a node to hold silver mound artemisia at the size you want. Keep it slightly pot-bound and feed sparingly to cap the overall size. Remove the largest or oldest leaves to keep the footprint in check.

How can I make silver mound artemisia grow bigger or faster?

It already has good light; a yearly pot-up plus spring-summer feeding drives the fastest growth. Pot up a size every year or two while it is establishing. Feed and water consistently through the growing season for steady, faster size gain.