Life Cycle
Perennial
Plant Characteristics
Flowering ornamental
Growth Habit
Upright tree
Bloom Season
Late spring to early summer
Flavour Profile
N/A
Suitable for
Outdoor
Seed Type
Flower tree seeds
Plant Type
Ornamental
Planting Season
Spring
Fruit Size
N/A
Plant Height
20–30 ft (6–9 m)
Light Requirement
Full Sun / Partial Shade
Water Needs
Moderate
Hardiness Zones
5–8
Container Garden
Not suitable
Plant Spacing
15–20 ft
Planting Depth
½–1 inch
Growing Conditions
Well-drained soil
Frequently Asked Questions
Do the yellow flowers close up at night or on cloudy days?
Do the yellow flowers close up at night or on cloudy days?
Yes the blooms typically fold shut in the evening and during overcast weather then reopen in bright sunlight giving a daily rhythm to the display
How does the fine fern-like foliage enhance the overall look?
How does the fine fern-like foliage enhance the overall look?
The delicate blue-green leaves create a soft airy base that contrasts with the bright yellow petals and adds texture even when flowers are not fully open
Why is sowing in cooler months often recommended for these poppies?
Why is sowing in cooler months often recommended for these poppies?
Cooler spring or winter-to-early-spring planting aligns with their preference for mild temperatures and leads to stronger establishment before summer heat
Can California poppies naturalize and return on their own?
Can California poppies naturalize and return on their own?
They often self-sow readily in suitable sites though deadheading spent blooms helps limit unwanted spreading while still allowing some natural reseeding
Are they effective for creating a low-maintenance meadow effect?
Are they effective for creating a low-maintenance meadow effect?
Their upright habit drought tolerance and prolific yellow blooms make them well suited to informal meadow plantings and naturalized garden area
Does the plant stay compact enough for mixed borders without dominating?
Does the plant stay compact enough for mixed borders without dominating?
At 15–45 cm the moderate height fills gaps nicely among other low to medium plants without shading or overpowering neighboring species