Arizona’s low humidity suits kangaroo paw, but planting in October or March helps it avoid extreme temperatures. Finding the best time to plant kangaroo paw in Arizona is key to getting those tall, colorful blooms that look like something from another planet. You don’t need to be a master gardener to succeed, you just need to pick the right window.
This plant hates wet feet and loves the sun, which makes Arizona a decent match. But our summers can fry it and our winters can freeze it if you’re not careful. Let’s break down exactly when to put that rhizome in the ground.
Best Time To Plant Kangaroo Paw In Arizona
The absolute best time to plant kangaroo paw in Arizona is during the mild months of October or March. These months give the plant a chance to settle in before the heat of summer or the chill of winter hits.
Planting in October lets the roots grow during the cool fall and winter. By the time spring arrives, the plant is strong enough to handle the heat. March planting works well too, as the soil is warming up but the sun isn’t brutal yet.
Why October Is A Top Choice
October offers cooling temperatures and lower evaporation rates. The soil is still warm from summer, which encourages root growth without stressing the leaves.
- Daytime temps are usually between 70-85°F
- Nighttime temps stay above 40°F in most areas
- Less watering needed compared to summer planting
- Roots develop for 4-5 months before summer heat
If you plant in October, you’ll likely see flowers by late spring. That’s a solid payoff for a little fall effort.
Why March Is A Strong Second Option
March is the other sweet spot. The danger of frost is mostly gone, and the soil is waking up. Kangaroo paw responds well to this gentle warmth.
- Wait until nighttime temps stay above 45°F
- Plant after the last frost date for your zone
- Water deeply but infrequently to encourage deep roots
- Mulch lightly to keep soil cool as temps rise
March planting gives you a full growing season ahead. The plant will have time to establish before the monsoon rains arrive in July.
Understanding Arizona’s Climate Zones
Arizona isn’t one climate. You’ve got low desert, high desert, and mountain areas. The best time to plant kangaroo paw in Arizona shifts depending on where you live.
Low Desert (Phoenix, Tucson, Yuma)
In the low desert, summer temps can hit 115°F. Winter frost is rare but possible. Here, October planting is ideal. March works too, but you need to plant early in the month.
Summer planting is a gamble. The heat stress can kill young plants before they establish. Stick to the shoulder seasons.
High Desert (Flagstaff, Prescott, Sedona)
Higher elevations mean colder winters and shorter growing seasons. March planting might be too early if frost lingers. Wait until April or even early May in these areas.
October planting can work if you protect the plant from hard freezes. Use frost cloth or plant in a sheltered spot near a south-facing wall.
How To Plant Kangaroo Paw Step By Step
Once you’ve picked your planting window, follow these steps for the best results. Kangaroo paw isn’t fussy, but it has specific needs.
Choose The Right Location
Full sun is non-negotiable. At least 6 hours of direct sunlight daily. Partial shade leads to fewer flowers and floppy stems.
Good drainage is critical. If your soil holds water, the rhizomes will rot. Raised beds or slopes work well.
Prepare The Soil
Kangaroo paw prefers sandy or loamy soil. Heavy clay needs amending. Mix in coarse sand or perlite to improve drainage.
- Test drainage by digging a hole and filling it with water
- If water drains in under an hour, you’re good
- If it takes longer, add organic matter and sand
- Avoid compost that holds too much moisture
Planting Depth And Spacing
Plant the rhizome about 2-3 inches deep. The crown should be just below the soil surface. Space plants 18-24 inches apart to allow for air flow.
Water in well after planting. Then let the soil dry out before watering again. Overwatering is the number one killer of kangaroo paw.
Watering Schedule For Arizona
Watering needs change with the seasons. During the cool months, water every 10-14 days. In summer, water every 5-7 days if there’s no rain.
Always water deeply to encourage roots to grow downward. Shallow watering leads to weak plants that can’t handle drought.
Use a soaker hose or drip irrigation to keep water off the leaves. Wet foliage can lead to fungal issues, especially during monsoon season.
Fertilizing For Better Blooms
Kangaroo paw is a light feeder. Too much fertilizer, especially nitrogen, leads to lots of leaves and few flowers.
Apply a low-nitrogen fertilizer in early spring and again in late summer. A 0-10-10 formula works well. Avoid high-nitrogen lawn fertilizers.
If your soil is naturally poor, a light application of compost in fall is enough. The plant evolved in nutrient-poor soils in Australia.
Common Problems And Solutions
Even with perfect timing, issues can pop up. Here’s what to watch for.
Yellow Leaves
Yellow leaves usually mean too much water. Let the soil dry out completely before watering again. Check drainage if the problem persists.
No Flowers
Lack of flowers is often due to too much shade or too much nitrogen. Move the plant to a sunnier spot and stop fertilizing with high-nitrogen products.
Frost Damage
If a late frost hits, the leaves may turn brown. Don’t cut them back until spring. The plant can recover from the roots if the frost wasn’t severe.
Pruning And Maintenance
Pruning keeps kangaroo paw looking tidy and encourages more blooms. Cut back flower stalks after they fade. Remove dead leaves in early spring.
Every 2-3 years, divide the clumps to keep the plant vigorous. Dig up the rhizomes in early spring and replant the healthiest sections.
Dividing also gives you free plants for other parts of your garden. Share with friends who want to try growing kangaroo paw.
Best Varieties For Arizona
Not all kangaroo paw varieties handle Arizona’s extremes equally. Some are more heat-tolerant than others.
- Bush Gems series: Compact and heat-tolerant
- Kanga series: Dwarf varieties good for containers
- Anigozanthos flavidus: Tall and tough, handles heat well
- Anigozanthos rufus: Red flowers, very drought-tolerant
Avoid the more delicate hybrids that need constant moisture. Stick with the tougher species for Arizona conditions.
Container Growing Tips
If your soil is heavy clay, grow kangaroo paw in containers. Use a pot with drainage holes and a cactus mix soil.
Containers dry out faster, so water more often in summer. Move pots to a sheltered spot during winter if frost is expected.
Fertilize container plants lightly every 6-8 weeks during the growing season. Use a balanced liquid fertilizer at half strength.
Companion Planting Ideas
Kangaroo paw pairs well with other drought-tolerant plants. Try it with lavender, salvia, or agave. The textures contrast nicely.
Avoid planting it next to heavy feeders like roses or vegetables. They need more water and fertilizer than kangaroo paw likes.
Grouping kangaroo paw with other Australian natives like grevillea or bottlebrush creates a cohesive look. They share similar care needs.
Dealing With Pests
Kangaroo paw has few pests in Arizona. Snails and slugs can be a problem in damp areas. Use iron phosphate bait if you see damage.
Aphids sometimes appear on new growth. A strong spray of water knocks them off. Avoid chemical pesticides that harm beneficial insects.
Spider mites can show up in hot, dry weather. Increase humidity around the plant with a light misting. Neem oil works if the infestation is bad.
When To Expect Flowers
If you plant in October, expect flowers from April through June. March planting may produce blooms from June through August.
Flowers last several weeks on the plant. Cut stalks last about a week in a vase. The flowers are unique and add a tropical feel to arrangements.
Deadhead regularly to extend the blooming period. Remove the entire stalk down to the base once all flowers have faded.
Winter Care In Arizona
In the low desert, winter care is minimal. Protect plants from frost by covering them with frost cloth on cold nights.
In higher elevations, mulch heavily around the base. Cut back foliage to 6 inches after the first frost. The plant will regrow in spring.
Container plants should be moved to a garage or indoors if temps drop below 25°F. They can survive light frost but not hard freezes.
Common Mistakes To Avoid
Many gardeners fail with kangaroo paw because of simple errors. Here’s what to skip.
- Planting in summer heat: The plant can’t establish fast enough
- Overwatering: Let the soil dry between waterings
- Heavy clay soil: Amend or use containers
- Too much shade: Full sun is required
- Cutting back in fall: Wait until spring for pruning
Avoid these mistakes and your kangaroo paw will thrive. The plant is tough once established, but it needs a good start.
Propagation Methods
You can propagate kangaroo paw from seed or division. Seed takes longer but gives you more plants. Division is faster and more reliable.
To propagate from seed, soak seeds in warm water for 24 hours. Plant in seed-starting mix and keep moist. Germination takes 3-6 weeks.
Division is easier. Dig up a mature clump in early spring. Cut the rhizomes into sections with at least one growing point each. Replant immediately.
Final Thoughts On Timing
The best time to plant kangaroo paw in Arizona really comes down to October or March. These months give the plant the best chance to establish without stress.
Pay attention to your specific microclimate. A south-facing slope warms up faster than a north-facing one. Adjust your planting time accordingly.
With the right timing and care, kangaroo paw will reward you with stunning flowers that last for weeks. It’s a unique addition to any Arizona garden.
Frequently Asked Questions
Can I Plant Kangaroo Paw In Summer In Arizona?
It’s not recommended. Summer heat stresses young plants and they may not survive. Stick to October or March for best results.
How Often Should I Water Kangaroo Paw In Arizona?
Water every 10-14 days in cool months and every 5-7 days in summer. Always check soil moisture before watering to avoid overwatering.
Does kangaroo paw need full sun in Arizona?
Yes, full sun is essential. At least 6 hours of direct sunlight daily. Partial shade reduces flowering and can make plants leggy.
What Soil Is Best For Kangaroo Paw In Arizona?
Sandy or loamy soil with excellent drainage. Heavy clay needs amending with sand or perlite. Raised beds or containers work well for poor soil.
Can Kangaroo Paw Survive Arizona Winters?
In low desert areas, yes with light frost protection. In higher elevations, mulch heavily or move containers indoors during hard freezes.