A little more green in the world ✳ 2,083 plants across 13 growing zones
worldthatgrows.
Flower · Easy

How to Grow Katz Lavender Blue

Matthiola incana

Your complete guide to growing Katz Lavender Blue.

☀SunFull sun to partial shade (4-6+ hours)
📅Harvest90-100 days
🗺Zones6–10
📏Height1-3 feet
Katz Lavender Blue📷 Wikipedia: Flower

When to Plant Katz Lavender Blue

Planting windows vary by USDA hardiness zone. Look up yours by ZIP code.

ZoneStart IndoorsDirect SowHarvest
Zone 1 May – June July – September —
Zone 2 April – May June – August —
Zone 3 April – May June – August —
Zone 4 March – April June – July —
Zone 5 March – April May – July —
Zone 6 March – April May – July —
Zone 7 February – March April – June —
Zone 8 February – March April – June —
Zone 9 January – February March – May —
Zone 10 January February – April —
Zone 11 January January – March —
Zone 12 January January – March —
Zone 13 January January – March —

Companion Plants for Katz Lavender Blue

✓ Good companions

Alliums

Repel aphids and other pests while requiring similar well-draining soil

Catmint

Deters aphids and ants while attracting bees and butterflies

Echinacea

Attracts beneficial insects and provides contrasting flower colors

Rosemary

Similar water and soil requirements, both repel deer and rabbits

Russian Sage

Compatible growth habits and extends blooming season

Sage

Complementary Mediterranean herbs with similar growing conditions

Sedum

Similar low-water needs and provides late-season pollinator food

Thyme

Attracts beneficial pollinators and has matching drought tolerance

✗ Keep away from

Hostas

Needs shade and consistent moisture, opposite of lavender's sun and dry requirements

Impatiens

Requires frequent watering which can cause root rot in lavender

Mint

Aggressive spreader that competes for space and prefers moist conditions

Notes from the garden

A greener inbox, occasionally.

Seasonal planting ideas, useful tips and a little inspiration. No weeds.