Stocks – Katz Crimson “Matthiola incana”

Stocks ‘Katz Crimson’ (Matthiola incana) is a showstopper with its rich, velvety crimson double blooms and classic spicy scent. Bred for early flowering and uniform height, this variety is perfect for cut flower rows, dramatic borders, and compact pots. It thrives in cool-season conditions and rewards you with colour, fragrance, and form — all in one tidy, upright plant.

🌱 How to Grow Stocks ‘Katz Crimson’ Plugs
🕰️ Planting Time:
Late summer to early autumn, or early spring in cooler regions
Early planting ensures better root development and stronger flowering

🌞 Position:
Full sun
Needs a minimum of 6 hours sunlight per day — morning sun is ideal in warmer zones

🌱 Soil:
Well-drained, fertile soil with added compost or organic matter
pH range: 6.5–7.5 (neutral to slightly alkaline)
Avoid heavy clay or waterlogged soils — root rot can be an issue

📏 Spacing:
Space 20–30 cm apart in garden beds
In containers: one plant per 20 cm pot for lush, full growth

💧 Watering:
Keep evenly moist throughout growing season
Avoid letting the soil dry out completely while blooming

🌿 Feeding:
Feed every 2–3 weeks with a balanced liquid fertiliser
Switch to a potassium-rich feed (like 3:1:5) as buds start forming

🌾 Staking:
Not usually required, but may benefit from light support in exposed or windy spots

🌼 Where to Plant or Use

Cut Flower Rows: A favourite for florists — long, straight stems with saturated colour
Mixed Borders: Adds bold colour and height to early spring plantings
Patio Containers: Striking in pots when mass planted for full impact
Cottage Gardens: Rich crimson blooms pop against soft pastels and silvery foliage
Scented Gardens: Place near walkways or entrances to enjoy the spicy perfume

❤️ Why You’ll Love It

✔️ Deep Crimson Colour: Rich, romantic blooms that demand attention
✔️ Sweet Clove Fragrance: A signature scent that fills the air
✔️ Cut Flower Favourite: Early flowering, strong stems, and long vase life
✔️ Uniform Growth: Bred for even height and performance
✔️ Cool Season Performer: Perfect for SA gardens with mild, moist springs