Repotting guide

When & how to repot Red Riding Hood Mandevilla (Mandevilla sanderi 'Red Riding Hood')

Also called Red Riding Hood Mandevilla, Brazilian Jasmine 'Red Riding Hood', Scarlet Mandevilla.

More about red riding hood mandevilla

About Red Riding Hood Mandevilla

Mandevilla sanderi 'Red Riding Hood' · also called Red Riding Hood Mandevilla, Brazilian Jasmine 'Red Riding Hood' · tropical

Red Riding Hood Mandevilla is a compact, free-flowering cultivar of Mandevilla sanderi bearing vivid crimson-red trumpet flowers with golden-yellow throats against deep glossy foliage. More compact than many Mandevilla cultivars, it is ideal for containers, hanging baskets, and smaller trellises on sunny patios. Blooms prolifically from late spring to autumn in warm conditions.

Mature size: 1-2 m tall (with support), 0.6-1 m spread

Watch for — Root rot from overwatering: The most frequent issue for container-grown specimens. 'Red Riding Hood' has a relatively small, compact root system that can quickly become waterlogged in heavy or slow-draining media. Ensure fast-draining mix, do not leave standing water in saucers, and reduce watering frequency significantly in autumn and winter.

How to tell red riding hood mandevilla needs repotting

Repotting on a calendar is less reliable than reading the plant. For red riding hood mandevilla, watch for these signs:

Roots growing out of the drainage holes, or the rootball lifting the plant proud of the rim.
Soil that has shrunk away from the pot sides and no longer holds water.
The pot is unstable because the plant has grown top-heavy.
Old, compacted, broken-down mix that stays wet too long — for a succulent that is a rot risk, so refresh it even if the pot size is fine.

For the underlying biology of a pot-bound root system and why it stalls a plant, see our guide to spotting and fixing a root-bound plant.

How often to repot red riding hood mandevilla

Every 2–3 years, into bone-dry mix. Red Riding Hood Mandevilla's growth habit — compact, twining semi-evergreen climber or trailing vine — sets the pace. Red Riding Hood Mandevilla is a compact, free-flowering cultivar of Mandevilla sanderi bearing vivid crimson-red trumpet flowers with golden-yellow throats against deep glossy foliage. More compact than many Mandevilla cultivars, it is ideal for containers, hanging baskets, and smaller trellises on sunny patios. Blooms prolifically from late spring to autumn in warm conditions.

What size pot to step red riding hood mandevilla up to

Use a pot only one size up — or even the same pot with fresh gritty mix if the roots have room. Red Riding Hood Mandevilla stores water and rots in a large pot of slow-drying soil. A tight terracotta pot that dries fast is far safer than a generous plastic one. Never up-pot a succulent by several sizes.

Not sure of the exact diameter? Our pot size calculator takes the current pot and root spread and tells you the right next size — it deliberately recommends a single step up, never a big jump.

The best time of year to repot red riding hood mandevilla

Spring or summer, while red riding hood mandevilla is in active growth and warm, is best — roots recover fastest then, and the plant is not sitting in cool damp soil. Avoid repotting a succulent in winter dormancy.

Step-by-step: repotting red riding hood mandevilla

Repot dry. Do not water red riding hood mandevilla for several days first. Working with dry roots and dry mix dramatically lowers the rot risk for a succulent.
Pick a snug, fast-draining pot. Choose terracotta one size up at most, with a drainage hole. Have gritty fast-draining, gritty potting mix ready.
Tip it out and clean the roots. Slide the plant out, crumble off the old soil, and trim any black, mushy or dead roots with clean snips.
Pot into dry mix. Set red riding hood mandevilla at its original depth in dry gritty mix, firming gently. Do not bury the stem deeper than it was.
Wait a week before watering. Leave it completely dry and out of harsh sun for about 7 days so any damaged roots callus. Only then water lightly.

Aftercare

Keep red riding hood mandevilla completely dry and out of fierce sun for about a week so any nicked roots callus before they meet moisture; watering a freshly repotted succulent is the classic way to rot it. Then resume the normal lean, dry rhythm. Do not fertilise for about 3 weeks — fresh mix already carries nutrients and feeding freshly disturbed roots scorches them.

The right soil mix for red riding hood mandevilla

Red Riding Hood Mandevilla wants fast-draining, gritty potting mix. Excellent drainage is paramount. Use a quality multipurpose compost blended with 30-40% coarse perlite or horticultural grit. Avoid dense, moisture-retentive mixes. A neutral to slightly acidic pH (6.0-7.0) is acceptable. Refresh container compost annually with a topdressing or by repotting into the next size container in spring. Always use fresh mix when you repot — reusing old, broken-down soil reintroduces the compaction and poor drainage you are repotting to fix.

Repotting red riding hood mandevilla — frequently asked questions

How often should you repot red riding hood mandevilla?

Every 2–3 years, into bone-dry mix for red riding hood mandevilla. Repot red riding hood mandevilla every 2–3 years into a snug pot of fast-draining, gritty potting mix, ideally in spring or summer. Let it sit in dry soil and do not water for about a week afterwards so any nicked roots can callus. Over-potting and watering straight away is what rots succulents.

What size pot does red riding hood mandevilla need?

When is the best time of year to repot red riding hood mandevilla?

Should you water red riding hood mandevilla after repotting?

No — not straight away. Repot red riding hood mandevilla into dry mix and wait about a week before the first watering so any damaged roots callus over. Watering a freshly repotted succulent is the single most common way to rot one.

Should you fertilise red riding hood mandevilla after repotting?

Not immediately. Wait about 3 weeks after repotting red riding hood mandevilla. Fresh mix already contains nutrients, and feeding freshly cut or disturbed roots burns them. Resume your normal feeding routine once you see new growth.