Mature size & growth rate

How big does Evergreen Amaryllis (Hippeastrum striatum) get?

Also called Striped-leaf Amaryllis, Brazilian Amaryllis, Scarlet Amaryllis.

More about evergreen amaryllis

About Evergreen Amaryllis

Hippeastrum striatum · also called Striped-leaf Amaryllis, Brazilian Amaryllis · flowering

Hippeastrum striatum is a Brazilian species notable for remaining evergreen in warm conditions rather than going dormant like most hippeastrums. Produces vivid orange-red flowers striped with deeper veins in spring. Well-suited to bright interiors where a dry rest period is difficult to enforce. Toxic to pets due to lycorine alkaloids in the bulb and plant.

Mature size: 40–60 cm tall in flower

Indoor size vs how big it gets in the wild

Evergreen Amaryllis grows into a room-scaled plant of roughly 40–60 cm tall in flower — bigger than a tabletop plant, but not a tree. Indoors and in a pot, expect 40–60 cm tall in flower. 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

Evergreen Amaryllis 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: feed every two weeks during active growth with a balanced liquid fertiliser, switching to a high-potassium formulation once buds emerge. as the plant does not go fully dormant, maintain light feeding (once a month) even in winter at a reduced dose.

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

How to keep evergreen amaryllis smaller

You are not stuck with the maximum size. For evergreen amaryllis specifically, these are the levers, in order of impact:

Prune the tallest or longest growth back to a node to hold evergreen amaryllis 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 evergreen amaryllis bigger or faster

If you want it to fill the space sooner, push the conditions rather than hoping — for evergreen amaryllis 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 evergreen amaryllis light requirements page covers exactly how bright a spot it needs to grow at its potential instead of stalling.

When evergreen amaryllis outgrows the room (or the pot)

"Too big" usually arrives as one of these signs for evergreen amaryllis:

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 evergreen amaryllis repotting guide. If you want more of this plant instead of a bigger one, the evergreen amaryllis propagation guide turns prunings into new plants.

Evergreen Amaryllis size — frequently asked questions

How big does evergreen amaryllis get?

Evergreen Amaryllis reaches 40–60 cm tall in flower 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 evergreen amaryllis slow or fast growing?

Evergreen Amaryllis is a moderate grower. Expect three to six years to reach mature indoor size, gaining a steady amount each growing season. Evergreen Amaryllis grows into a room-scaled plant of roughly 40–60 cm tall in flower — bigger than a tabletop plant, but not a tree.

How long does evergreen amaryllis 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 evergreen amaryllis smaller?

Prune the tallest or longest growth back to a node to hold evergreen amaryllis 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 evergreen amaryllis 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.