Glass Jar Garden

Plants

Pilea 'Aquamarine' as drawn in the simulator

Pilea 'Aquamarine'

Pilea libanensis

BeginnerFine in a closed jar

Minute silver-blue leaves in a creeping carpet.

What the simulation uses

Light
2,500 to 10,000 lux
The brightness it grows well in.
Humidity
60 to 95 % RH
Air moisture it is happy in; below the lower end it dries out.
Temperature
18 to 27 °C
Comfortable range; outside it growth slows.
Dies at
below 10 or above 32 °C
Days beyond these temperatures kill it.
Soil pH
5.5 to 6.5 pH
Soil acidity it prefers.
Grows up
0.65 cm/month
How fast it gains height in good conditions.
Spreads
2.75 cm/month
How fast its edge creeps outwards.
Copes with wet
fair
How well it stands soggy soil; poor means rot comes quickly.
Copes with still air
good
Sealed jars have still air; poor means grey mould finds it.
Copes with shade
good
How well it holds on in dim light.
Copes with drying
fair
How well it survives the jar drying out.
Water use
0.09 ml/cm²/day
Water drawn up from its roots per cm² of leaves in room air; a sealed jar cuts this to a fraction and returns it down the glass.
Leaf drop
3 %/month
Share of its leaves it sheds each month as litter for the cleanup crew.
Soft leaves
yes
Soft new growth that hungry isopods will nibble.
Full size
5.5 cm tall, 40 cm wide
Its size when grown, before the lid stops it.

Care

Day length
12 to 14 h
Substrate
Moist

What kills it

Description

Sold as a groundcover for jars, it goes by names like 'Aquamarine' and 'Glauca'. Its care needs are based on related pileas. Damp soil and humid air keep it creeping happily.

Also called Pilea glauca, Pilea glauca 'Aquamarine', silver sparkle pilea.

Estimated, where sources were thin: nearly all numeric values estimated; no extension care sheet found; taxonomy of 'glauca'.

Sources

Grow it in a jar