How big is big?
Take your time: How big is a pea? Be honest now, before you count the millimeter divisions, how big would you guess is a pea? And is a pea bigger or lesser than a one year old Lithops?
Problem solved! The average green garden pea is 9mm. I’d have given it far less than nearly 1 cm!
And this is Lithops hookeri ssp. subfenestrata ‘brunneoviolacea’. Five month old.
Two and a half years old: Lithops pseudotruncatella ssp. groendrayensis
Both Lithops lesliei ssp. venteri ‘Maraisi’ , sown November 2013, are now five months old.
And the jewel loaded Lithops verruculosa var. verruculosae ‘Inae’ is a year and a half.
I ignore how old these four may be, as they flowered last autumn, they are adults altogether : Lithops lesliei ‘Albinica’.
These three – you spot them? – are 5 month old. Lithops pseudotruncatella ‘alpina’.
Well then. Let’s see if a pea is a good criterion for the size of Lithops. Here we go:
These plants have germinated in full sun at 28º N latitude (which is pretty near to their S latitude procedence btw) and they have all the pigments they need for protection. What they (still) don’t have is a volumen that helps them to survive in dry and hot atmospheric conditions. Make the experiment: place a pea in the sun and watch.
You won’t have to wait long!
So, please, in summer and whenever it is hot and dry – bury your little treasures or give them shade.