From 5.6k real designs
What to plant with Aster
These are what gardeners actually planted. We measured every Sow design containing Aster and ranked the plants that turn up alongside it far more often than chance would explain.
Used together in 40 designs — 5.46× more often than this plant appears in gardens generally.
Why it works: shares Zones 8–9 with Aster; wants the same full sun; blooms mid-summer to Aster's late summer.
Zones 8–10Care & prices →
Used together in 189 designs — 4.97× more often than this plant appears in gardens generally.
Why it works: shares Zones 8–9 with Aster; wants the same full sun; blooms mid-summer to Aster's late summer.
Zones 8–10Care & prices →
Used together in 97 designs — 4.88× more often than this plant appears in gardens generally.
Why it works: shares Zones 4–8 with Aster; wants the same full sun; blooms early spring to Aster's late summer.
Zones 4–8Care & prices →
Used together in 106 designs — 4.74× more often than this plant appears in gardens generally.
Why it works: shares Zones 4–7 with Aster; wants the same full sun; blooms mid-summer to Aster's late summer; adds height behind Aster.
Zones 4–7Care & prices →
Used together in 68 designs — 4.69× more often than this plant appears in gardens generally.
Why it works: shares Zones 8–9 with Aster; wants the same full sun; blooms mid-summer to fall to Aster's late summer.
Zones 8–10Care & prices →
Used together in 79 designs — 4.55× more often than this plant appears in gardens generally.
Why it works: shares Zones 4–9 with Aster; wants the same full sun; blooms late spring to Aster's late summer; fills in front of Aster.
Zones 4–9Care & prices →
Used together in 97 designs — 4.37× more often than this plant appears in gardens generally.
Why it works: shares Zones 5–9 with Aster; wants the same full sun; blooms mid-summer to fall to Aster's late summer.
Zones 5–10Care & prices →
Used together in 181 designs — 4.25× more often than this plant appears in gardens generally.
Why it works: shares Zones 4–8 with Aster; wants the same full sun; blooms late spring to Aster's late summer.
Used together in 184 designs — 4.13× more often than this plant appears in gardens generally.
Why it works: shares Zones 4–8 with Aster; wants the same full sun; blooms late spring to Aster's late summer.
Zones 4–8Care & prices →
Used together in 77 designs — 4.03× more often than this plant appears in gardens generally.
Why it works: shares Zones 5–8 with Aster; wants the same full sun; blooms mid-spring to Aster's late summer; fills in front of Aster.
Zones 5–8Care & prices →
Used together in 41 designs — 3.99× more often than this plant appears in gardens generally.
Why it works: wants the same full sun; blooms summer to fall to Aster's late summer.
Zone 10Care & prices →
Used together in 124 designs — 3.98× more often than this plant appears in gardens generally.
Why it works: shares Zones 4–8 with Aster; wants the same full sun; blooms early spring to Aster's late summer; fills in front of Aster.
Zones 4–8Care & prices →
Method: we counted every Sow design containing Aster (5.6k of them), then scored each other plant by how much more often it appears in those designs than in designs generally (lift), requiring at least 40 shared designs. Ranking by lift rather than raw count is what stops the list collapsing into “the most popular plants”.
Aster pairing questions
What should I plant with Aster?
Across 5.6k real garden designs containing Aster, the partner that shows the strongest affinity is Dahlia Labyrinth — it appears alongside Aster far more often than its overall popularity would predict. The full ranked list is above.
How was this companion list decided?
From data, not opinion. We looked at every Sow design containing Aster and measured which other plants appear with it more often than chance would explain (a lift score), requiring at least 40 shared designs so nothing here is a small-sample fluke. That is why the list reads like a coherent planting palette rather than a list of bestsellers.
Do companion plants need the same conditions as Aster?
Yes — that is the first filter. A companion has to share the hardiness range and light exposure, or one of the two will struggle. Each entry above states the zones it shares with Aster and whether it wants the same light; pairings that differ in bloom time or height are noted, because that contrast is usually the point.
Keep exploring
Try these pairings in your own yard
Snap a photo of your space and place Aster and its companions in it at true mature size — before you buy any of them.
