Soil & potting mix

Best soil for So Jujube (Ziziphus jujuba 'So')

Also called So jujube, contorted jujube.

More about so jujube

So Jujube soil at a glance

Best mix	Well-drained soil; tolerant of sand, clay, salinity and alkalinity, pH 5.5-8.5
Light	Direct sun (at least 4-6 hours)
Ideal temperature	-20 to 40C (growing optimum 25-38C) (-4 to 104F (growing optimum 77-100F))
Watering	Every 10-21 days in summer once established; very drought-tolerant

About So Jujube

Ziziphus jujuba 'So' · also called So jujube, contorted jujube · edible

'So' is a distinctive jujube cultivar with strongly contorted, zigzagging branches that give striking winter structure, plus small, sweet, date-like fruit. A compact, heat- and drought-tolerant deciduous tree, it doubles as an ornamental and a cropper. Like other jujubes it thrives in poor, alkaline, free-draining soil and hot summers, fruiting best with a pollinator nearby.

Preferred mix: Well-drained soil; tolerant of sand, clay, salinity and alkalinity, pH 5.5-8.5

Watch for — Root suckering: Suckers appear around the base and along roots. Remove them to prevent a thicket and keep the ornamental contorted form clean and dominant.

Why so jujube needs this mix

So Jujube is a hungry, thirsty crop — it wants a rich, moisture-retentive but free-draining loam, well fed and never baked dry.

So Jujube grows fast and has a big crop to fill, so it draws heavily on both nutrients and water — a lean mix simply cannot keep up.
Plenty of organic matter holds moisture evenly, which prevents the stress problems (bolting, bitterness, blossom-end rot) that come from a drying-then-flooding cycle.
It still needs structure: rich does not mean airless, so grit, perlite or leaf mould keeps roots oxygenated.

For the full picture on what makes up a good mix, see our guide to the main types of soil and potting media — it explains why each ingredient above behaves the way it does.

What goes wrong with the wrong mix

The wrong soil is one of the most common reasons so jujube struggles, and the damage often shows up weeks later as a watering problem. For this species specifically:

A poor, thin or sandy mix starves so jujube — growth stalls, leaves pale, and yields collapse.
A heavy, compacted, badly drained soil rots the roots and brings fungal problems despite all the feeding.
Letting a rich mix dry to dust then drowning it causes the classic moisture-stress disorders this crop is prone to.

Under-feeding and inconsistent moisture. So Jujube needs genuinely rich soil plus steady watering — most disappointing crops come down to one or both being short.

pH — does it matter for so jujube?

So Jujube does best around pH 6.0-7.0 (slightly acidic to neutral). It is worth a cheap soil test for an outdoor bed; very acidic soil benefits from a little lime well before planting.

If you want to check or adjust it, the soil pH guide walks through testing and the safe ways to nudge a mix more acidic or more alkaline.

DIY mix vs a bagged one

For containers a good multipurpose or vegetable compost works for so jujube with extra feed through the season. For beds, the real win is digging in plenty of well-rotted compost or manure — that beats any bag.

Drainage and the pot

Rich but free-draining is the target: raised beds and large containers both deliver it. Mulch heavily to even out moisture and roughly halve how often you water.

So Jujube is usually grown for a single season, so "repotting" means starting fresh each year — never reuse exhausted, disease-prone compost for the same crop family. When the time comes, our repotting guide for so jujube covers the timing and technique step by step.

So Jujube soil — frequently asked questions

What is the best soil mix for so jujube?

3 parts compost-amended loam or quality multipurpose compost : 1 part well-rotted garden compost or manure : 1 part perlite or grit (containers) / leaf mould (beds). So Jujube grows fast and has a big crop to fill, so it draws heavily on both nutrients and water — a lean mix simply cannot keep up.

Can I use normal potting soil for so jujube?

A poor, thin or sandy mix starves so jujube — growth stalls, leaves pale, and yields collapse. For containers a good multipurpose or vegetable compost works for so jujube with extra feed through the season. For beds, the real win is digging in plenty of well-rotted compost or manure — that beats any bag.

Does so jujube need a special pH?