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Fertilising guide

How to fertilise Weigela 'Midnight Wine' (Weigela florida 'Elvera')— schedule & NPK

Also called Midnight Wine Weigela, Elvera Weigela.

More about weigela 'midnight wine'

About Weigela 'Midnight Wine'

Weigela florida 'Elvera' · also called Midnight Wine Weigela, Elvera Weigela · flowering

A very compact dwarf deciduous shrub with deep burgundy-wine foliage that holds colour all season. Pink-magenta bell-shaped flowers appear in late spring. Excellent for borders, containers, and small gardens. One of the smallest Weigela cultivars, remaining tidy without heavy pruning. Mildly-toxic as a precaution.

Growth habit: Dwarf mounding deciduous shrub

Watch for — Poor container performance: Root-bound plants in undersized pots show stunted growth and reduced flowering. Repot every 2 years into a container one size larger.

What fertiliser weigela 'midnight wine' actually wants — and why

Weigela 'Midnight Wine' is an easy, light foliage feeder — a half-strength balanced liquid feed through the growing months keeps it green without forcing weak, sappy growth.

A balanced general houseplant feed (roughly even N-P-K) is exactly right — it is grown for foliage, so steady, moderate nitrogen for healthy leaves is the goal, not a bloom or root formula.

For the language behind the three numbers on the bottle — what nitrogen, phosphorus and potassium each do — see the NPK ratio explained entry. The short version for weigela 'midnight wine': match the feed to the job the plant is doing right now, not to a generic “plant food” on the shelf.

How often to feed weigela 'midnight wine', and which months

Feeding only earns its keep while the plant is in active growth and can use the nutrients — pour feed into a dormant or low-light plant and it simply builds up as root-burning salt. For weigela 'midnight wine':

Feed with a balanced slow-release granular fertiliser each spring. Container plants benefit from a liquid feed every 2-3 weeks during the growing season using a balanced or high-potassium formulation. Treat that as every 2-3 weeks between spring through early autumn (roughly March to September); ease off in autumn and stop entirely in the low light of winter.

The dormant-season rule matters more than the exact interval: skip feeding entirely when weigela 'midnight wine' is resting. For the wider context on indoor feeding rhythms across the seasons, the houseplant fertiliser schedule walks through the year month by month.

What strength to mix for weigela 'midnight wine'

Half strength is the safe default for weigela 'midnight wine' — houseplant feeds are formulated strong, and the diluted dose is gentler on the roots while still ample for foliage.

Feeding always goes onto already-damp soil, never dry roots — water weigela 'midnight wine' first if the soil is dry, then apply the diluted feed. The companion question is when to water at all, covered in the weigela 'midnight wine' watering schedule.

Signs you are over-feeding weigela 'midnight wine'

Over-feeding is far more common — and more damaging — than under-feeding for most plants. The classic tells for weigela 'midnight wine':

Signs you are under-feeding weigela 'midnight wine'

If the symptoms point at watering, light or roots rather than nutrition, the full weigela 'midnight wine' care brief covers soil, humidity and the common problems for this species.

Flushing and leaching the salts

Flush the pot of weigela 'midnight wine' with plain water until it runs freely from the base every couple of months in the feeding season — it washes out the fertiliser salts that cause brown tips.

Organic vs synthetic feeds for weigela 'midnight wine'

Organic options

A diluted seaweed or worm-casting feed, or fish emulsion if you can tolerate the smell indoors. UK: Westland or Baby Bio Organic, dilute seaweed; US: Espoma Indoor! or Neptune's Harvest fish & seaweed. Slow, gentle and hard to overdo.

Synthetic / liquid feeds

A general-purpose houseplant liquid at half strength — UK: Baby Bio, Westland Houseplant Feed or Phostrogen; US: Miracle-Gro Indoor Plant Food or Schultz. Convenient and fast-acting; the only risk is overdoing it.

Brand names are examples, not endorsements, and UK and US ranges differ — check the label’s own NPK and dilution rate, since formulations change.

Fertilising weigela 'midnight wine' — frequently asked questions

What fertiliser does weigela 'midnight wine' need?

A balanced general houseplant feed (roughly even N-P-K) is exactly right — it is grown for foliage, so steady, moderate nitrogen for healthy leaves is the goal, not a bloom or root formula. Weigela 'Midnight Wine' is an easy, light foliage feeder — a half-strength balanced liquid feed through the growing months keeps it green without forcing weak, sappy growth.

How often should I feed weigela 'midnight wine'?

Feed with a balanced slow-release granular fertiliser each spring. Container plants benefit from a liquid feed every 2-3 weeks during the growing season using a balanced or high-potassium formulation. Feed with a balanced slow-release granular fertiliser each spring. Container plants benefit from a liquid feed every 2-3 weeks during the growing season using a balanced or high-potassium formulation. Treat that as every 2-3 weeks between spring through early autumn (roughly March to September); ease off in autumn and stop entirely in the low light of winter.

What strength of feed for weigela 'midnight wine'?

Half strength is the safe default for weigela 'midnight wine' — houseplant feeds are formulated strong, and the diluted dose is gentler on the roots while still ample for foliage.

What does over-feeding weigela 'midnight wine' look like?

Brown, crispy leaf tips and edges with no sign of underwatering. A white, crusty salt deposit on the soil surface or pot rim. Weak, pale, stretched new growth that flops. Lower leaves yellow and drop while the soil is correctly watered. Feeding weigela 'midnight wine' year-round on a fixed schedule, including dark winter months, is the most common mistake — it cannot use the nutrients in low light and the surplus simply burns the roots and crusts the soil.

Should I flush the soil of weigela 'midnight wine'?

Flush the pot of weigela 'midnight wine' with plain water until it runs freely from the base every couple of months in the feeding season — it washes out the fertiliser salts that cause brown tips.

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